trunk/src/mame/drivers/itech32.c
| r20828 | r20829 | |
| 374 | 374 | * |
| 375 | 375 | *************************************/ |
| 376 | 376 | |
| 377 | | INLINE int determine_irq_state(itech32_state *state, int vint, int xint, int qint) |
| 377 | inline int itech32_state::determine_irq_state(int vint, int xint, int qint) |
| 378 | 378 | { |
| 379 | 379 | int level = 0; |
| 380 | 380 | |
| 381 | 381 | |
| 382 | 382 | /* determine which level is active */ |
| 383 | | if (state->m_vint_state) level = 1; |
| 384 | | if (state->m_xint_state) level = 2; |
| 385 | | if (state->m_qint_state) level = 3; |
| 383 | if (m_vint_state) level = 1; |
| 384 | if (m_xint_state) level = 2; |
| 385 | if (m_qint_state) level = 3; |
| 386 | 386 | |
| 387 | 387 | /* Driver's Edge shifts the interrupts a bit */ |
| 388 | | if (state->m_is_drivedge && level) level += 2; |
| 388 | if (m_is_drivedge && level) level += 2; |
| 389 | 389 | |
| 390 | 390 | return level; |
| 391 | 391 | } |
| 392 | 392 | |
| 393 | 393 | |
| 394 | | void itech32_update_interrupts(running_machine &machine, int vint, int xint, int qint) |
| 394 | void itech32_state::itech32_update_interrupts(int vint, int xint, int qint) |
| 395 | 395 | { |
| 396 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 397 | 396 | /* update the states */ |
| 398 | | if (vint != -1) state->m_vint_state = vint; |
| 399 | | if (xint != -1) state->m_xint_state = xint; |
| 400 | | if (qint != -1) state->m_qint_state = qint; |
| 397 | if (vint != -1) m_vint_state = vint; |
| 398 | if (xint != -1) m_xint_state = xint; |
| 399 | if (qint != -1) m_qint_state = qint; |
| 401 | 400 | |
| 402 | | if (state->m_is_drivedge) |
| 401 | if (m_is_drivedge) |
| 403 | 402 | { |
| 404 | | machine.device("maincpu")->execute().set_input_line(3, state->m_vint_state ? ASSERT_LINE : CLEAR_LINE); |
| 405 | | machine.device("maincpu")->execute().set_input_line(4, state->m_xint_state ? ASSERT_LINE : CLEAR_LINE); |
| 406 | | machine.device("maincpu")->execute().set_input_line(5, state->m_qint_state ? ASSERT_LINE : CLEAR_LINE); |
| 403 | machine().device("maincpu")->execute().set_input_line(3, m_vint_state ? ASSERT_LINE : CLEAR_LINE); |
| 404 | machine().device("maincpu")->execute().set_input_line(4, m_xint_state ? ASSERT_LINE : CLEAR_LINE); |
| 405 | machine().device("maincpu")->execute().set_input_line(5, m_qint_state ? ASSERT_LINE : CLEAR_LINE); |
| 407 | 406 | } |
| 408 | 407 | else |
| 409 | 408 | { |
| 410 | | machine.device("maincpu")->execute().set_input_line(1, state->m_vint_state ? ASSERT_LINE : CLEAR_LINE); |
| 411 | | machine.device("maincpu")->execute().set_input_line(2, state->m_xint_state ? ASSERT_LINE : CLEAR_LINE); |
| 412 | | machine.device("maincpu")->execute().set_input_line(3, state->m_qint_state ? ASSERT_LINE : CLEAR_LINE); |
| 409 | machine().device("maincpu")->execute().set_input_line(1, m_vint_state ? ASSERT_LINE : CLEAR_LINE); |
| 410 | machine().device("maincpu")->execute().set_input_line(2, m_xint_state ? ASSERT_LINE : CLEAR_LINE); |
| 411 | machine().device("maincpu")->execute().set_input_line(3, m_qint_state ? ASSERT_LINE : CLEAR_LINE); |
| 413 | 412 | } |
| 414 | 413 | } |
| 415 | 414 | |
| r20828 | r20829 | |
| 417 | 416 | INTERRUPT_GEN_MEMBER(itech32_state::generate_int1) |
| 418 | 417 | { |
| 419 | 418 | /* signal the NMI */ |
| 420 | | itech32_update_interrupts(machine(), 1, -1, -1); |
| 419 | itech32_update_interrupts(1, -1, -1); |
| 421 | 420 | if (FULL_LOGGING) logerror("------------ VBLANK (%d) --------------\n", machine().primary_screen->vpos()); |
| 422 | 421 | } |
| 423 | 422 | |
| 424 | 423 | |
| 425 | 424 | WRITE16_MEMBER(itech32_state::int1_ack_w) |
| 426 | 425 | { |
| 427 | | itech32_update_interrupts(machine(), 0, -1, -1); |
| 426 | itech32_update_interrupts(0, -1, -1); |
| 428 | 427 | } |
| 429 | 428 | |
| 430 | 429 | |
| r20828 | r20829 | |
| 873 | 872 | |
| 874 | 873 | void itech32_state::nvram_init(nvram_device &nvram, void *base, size_t length) |
| 875 | 874 | { |
| 876 | | itech32_state *state = machine().driver_data<itech32_state>(); |
| 877 | 875 | // if nvram is the main RAM, don't overwrite exception vectors |
| 878 | | int start = (base == state->m_main_ram) ? 0x80 : 0x00; |
| 876 | int start = (base == m_main_ram) ? 0x80 : 0x00; |
| 879 | 877 | for (int i = start; i < length; i++) |
| 880 | 878 | ((UINT8 *)base)[i] = machine().rand(); |
| 881 | 879 | |
| 882 | 880 | // due to accessing uninitialized RAM, we need this hack |
| 883 | | if (state->m_is_drivedge) |
| 884 | | ((UINT32 *)state->m_main_ram.target())[0x2ce4/4] = 0x0000001e; |
| 881 | if (m_is_drivedge) |
| 882 | ((UINT32 *)m_main_ram.target())[0x2ce4/4] = 0x0000001e; |
| 885 | 883 | } |
| 886 | 884 | |
| 887 | 885 | |
| r20828 | r20829 | |
| 4111 | 4109 | * |
| 4112 | 4110 | *************************************/ |
| 4113 | 4111 | |
| 4114 | | static void init_program_rom(running_machine &machine) |
| 4112 | void itech32_state::init_program_rom() |
| 4115 | 4113 | { |
| 4116 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 4117 | | if (state->m_main_ram == NULL) |
| 4118 | | state->m_main_ram.set_target(state->m_nvram, state->m_nvram.bytes()); |
| 4119 | | memcpy(state->m_main_ram, state->m_main_rom, 0x80); |
| 4114 | if (m_main_ram == NULL) |
| 4115 | m_main_ram.set_target(m_nvram, m_nvram.bytes()); |
| 4116 | memcpy(m_main_ram, m_main_rom, 0x80); |
| 4120 | 4117 | } |
| 4121 | 4118 | |
| 4122 | 4119 | |
| 4123 | 4120 | DRIVER_INIT_MEMBER(itech32_state,timekill) |
| 4124 | 4121 | { |
| 4125 | | init_program_rom(machine()); |
| 4122 | init_program_rom(); |
| 4126 | 4123 | m_vram_height = 512; |
| 4127 | 4124 | m_planes = 2; |
| 4128 | 4125 | m_is_drivedge = 0; |
| r20828 | r20829 | |
| 4131 | 4128 | |
| 4132 | 4129 | DRIVER_INIT_MEMBER(itech32_state,hardyard) |
| 4133 | 4130 | { |
| 4134 | | init_program_rom(machine()); |
| 4131 | init_program_rom(); |
| 4135 | 4132 | m_vram_height = 1024; |
| 4136 | 4133 | m_planes = 1; |
| 4137 | 4134 | m_is_drivedge = 0; |
| r20828 | r20829 | |
| 4140 | 4137 | |
| 4141 | 4138 | DRIVER_INIT_MEMBER(itech32_state,bloodstm) |
| 4142 | 4139 | { |
| 4143 | | init_program_rom(machine()); |
| 4140 | init_program_rom(); |
| 4144 | 4141 | m_vram_height = 1024; |
| 4145 | 4142 | m_planes = 1; |
| 4146 | 4143 | m_is_drivedge = 0; |
| r20828 | r20829 | |
| 4149 | 4146 | |
| 4150 | 4147 | DRIVER_INIT_MEMBER(itech32_state,drivedge) |
| 4151 | 4148 | { |
| 4152 | | init_program_rom(machine()); |
| 4149 | init_program_rom(); |
| 4153 | 4150 | m_vram_height = 1024; |
| 4154 | 4151 | m_planes = 1; |
| 4155 | 4152 | m_is_drivedge = 1; |
| r20828 | r20829 | |
| 4167 | 4164 | ROM P/N 1079 Rev 1 (contains graphic roms, 4MHz OSC + ITBWL-1 security PIC chip) |
| 4168 | 4165 | Sound P/N 1060 Rev 0 (see Hot Memory PCB layout above) |
| 4169 | 4166 | */ |
| 4170 | | init_program_rom(machine()); |
| 4167 | init_program_rom(); |
| 4171 | 4168 | m_vram_height = 1024; |
| 4172 | 4169 | m_planes = 1; |
| 4173 | 4170 | |
| r20828 | r20829 | |
| 4187 | 4184 | ROM P/N 1079 Rev 1 (contains graphic roms, 4MHz OSC + ITBWL-1 security PIC chip) |
| 4188 | 4185 | Sound P/N 1060 Rev 0 (see Hot Memory PCB layout above) |
| 4189 | 4186 | */ |
| 4190 | | init_program_rom(machine()); |
| 4187 | init_program_rom(); |
| 4191 | 4188 | m_vram_height = 1024; |
| 4192 | 4189 | m_planes = 1; |
| 4193 | 4190 | |
| r20828 | r20829 | |
| 4200 | 4197 | } |
| 4201 | 4198 | |
| 4202 | 4199 | |
| 4203 | | static void init_sftm_common(running_machine &machine, int prot_addr) |
| 4200 | void itech32_state::init_sftm_common(int prot_addr) |
| 4204 | 4201 | { |
| 4205 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 4206 | | init_program_rom(machine); |
| 4207 | | state->m_vram_height = 1024; |
| 4208 | | state->m_planes = 1; |
| 4209 | | state->m_is_drivedge = 0; |
| 4202 | init_program_rom(); |
| 4203 | m_vram_height = 1024; |
| 4204 | m_planes = 1; |
| 4205 | m_is_drivedge = 0; |
| 4210 | 4206 | |
| 4211 | | state->m_itech020_prot_address = prot_addr; |
| 4207 | m_itech020_prot_address = prot_addr; |
| 4212 | 4208 | |
| 4213 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x300000, 0x300003, write32_delegate(FUNC(itech32_state::itech020_color2_w),state)); |
| 4214 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x380000, 0x380003, write32_delegate(FUNC(itech32_state::itech020_color1_w),state)); |
| 4209 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x300000, 0x300003, write32_delegate(FUNC(itech32_state::itech020_color2_w),this)); |
| 4210 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x380000, 0x380003, write32_delegate(FUNC(itech32_state::itech020_color1_w),this)); |
| 4215 | 4211 | } |
| 4216 | 4212 | |
| 4217 | 4213 | |
| 4218 | 4214 | DRIVER_INIT_MEMBER(itech32_state,sftm) |
| 4219 | 4215 | { |
| 4220 | | init_sftm_common(machine(), 0x7a6a); |
| 4216 | init_sftm_common(0x7a6a); |
| 4221 | 4217 | } |
| 4222 | 4218 | |
| 4223 | 4219 | |
| 4224 | 4220 | DRIVER_INIT_MEMBER(itech32_state,sftm110) |
| 4225 | 4221 | { |
| 4226 | | init_sftm_common(machine(), 0x7a66); |
| 4222 | init_sftm_common(0x7a66); |
| 4227 | 4223 | } |
| 4228 | 4224 | |
| 4229 | 4225 | |
| 4230 | | static void init_shuffle_bowl_common(running_machine &machine, int prot_addr) |
| 4226 | void itech32_state::init_shuffle_bowl_common(int prot_addr) |
| 4231 | 4227 | { |
| 4232 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 4233 | 4228 | /* |
| 4234 | 4229 | The newest versions of World Class Bowling are on the same exact |
| 4235 | 4230 | platform as Shuffle Shot. So We'll use the same general INIT |
| 4236 | 4231 | routine for these two programs. IE: PCB P/N 1083 Rev 2 |
| 4237 | 4232 | */ |
| 4238 | | init_program_rom(machine); |
| 4239 | | state->m_vram_height = 1024; |
| 4240 | | state->m_planes = 1; |
| 4241 | | state->m_is_drivedge = 0; |
| 4233 | init_program_rom(); |
| 4234 | m_vram_height = 1024; |
| 4235 | m_planes = 1; |
| 4236 | m_is_drivedge = 0; |
| 4242 | 4237 | |
| 4243 | | state->m_itech020_prot_address = prot_addr; |
| 4238 | m_itech020_prot_address = prot_addr; |
| 4244 | 4239 | |
| 4245 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x300000, 0x300003, write32_delegate(FUNC(itech32_state::itech020_color2_w),state)); |
| 4246 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x380000, 0x380003, write32_delegate(FUNC(itech32_state::itech020_color1_w),state)); |
| 4247 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x180800, 0x180803, read32_delegate(FUNC(itech32_state::trackball32_4bit_p1_r),state)); |
| 4248 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x181000, 0x181003, read32_delegate(FUNC(itech32_state::trackball32_4bit_p2_r),state)); |
| 4240 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x300000, 0x300003, write32_delegate(FUNC(itech32_state::itech020_color2_w),this)); |
| 4241 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x380000, 0x380003, write32_delegate(FUNC(itech32_state::itech020_color1_w),this)); |
| 4242 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x180800, 0x180803, read32_delegate(FUNC(itech32_state::trackball32_4bit_p1_r),this)); |
| 4243 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x181000, 0x181003, read32_delegate(FUNC(itech32_state::trackball32_4bit_p2_r),this)); |
| 4249 | 4244 | } |
| 4250 | 4245 | |
| 4251 | 4246 | |
| 4252 | 4247 | DRIVER_INIT_MEMBER(itech32_state,shufshot) |
| 4253 | 4248 | { |
| 4254 | | init_shuffle_bowl_common(machine(), 0x111a); |
| 4249 | init_shuffle_bowl_common(0x111a); |
| 4255 | 4250 | } |
| 4256 | 4251 | |
| 4257 | 4252 | |
| 4258 | 4253 | DRIVER_INIT_MEMBER(itech32_state,wcbowln) |
| 4259 | 4254 | { |
| 4260 | 4255 | /* The security PROM is NOT interchangeable between the Deluxe and "normal" versions. */ |
| 4261 | | init_shuffle_bowl_common(machine(), 0x1116); |
| 4256 | init_shuffle_bowl_common(0x1116); |
| 4262 | 4257 | } |
| 4263 | 4258 | |
| 4264 | | static void install_timekeeper(running_machine &machine) |
| 4259 | void itech32_state::install_timekeeper() |
| 4265 | 4260 | { |
| 4266 | | device_t *device = machine.device("m48t02"); |
| 4267 | | machine.device("maincpu")->memory().space(AS_PROGRAM).install_legacy_readwrite_handler(*device, 0x681000, 0x6817ff, FUNC(timekeeper_r), FUNC(timekeeper_w), 0xffffffff); |
| 4261 | device_t *device = machine().device("m48t02"); |
| 4262 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_readwrite_handler(*device, 0x681000, 0x6817ff, FUNC(timekeeper_r), FUNC(timekeeper_w), 0xffffffff); |
| 4268 | 4263 | } |
| 4269 | 4264 | |
| 4270 | 4265 | DRIVER_INIT_MEMBER(itech32_state,wcbowlt) |
| 4271 | 4266 | { |
| 4272 | 4267 | /* Tournament Version, Same protection memory address as WCB Deluxe, but uses the standard WCB pic ITBWL-3 */ |
| 4273 | | init_shuffle_bowl_common(machine(), 0x111a); |
| 4268 | init_shuffle_bowl_common(0x111a); |
| 4274 | 4269 | |
| 4275 | | install_timekeeper(machine()); |
| 4270 | install_timekeeper(); |
| 4276 | 4271 | } |
| 4277 | 4272 | |
| 4278 | | static void init_gt_common(running_machine &machine) |
| 4273 | void itech32_state::init_gt_common() |
| 4279 | 4274 | { |
| 4280 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 4281 | | init_program_rom(machine); |
| 4282 | | state->m_vram_height = 1024; |
| 4283 | | state->m_planes = 2; |
| 4284 | | state->m_is_drivedge = 0; |
| 4275 | init_program_rom(); |
| 4276 | m_vram_height = 1024; |
| 4277 | m_planes = 2; |
| 4278 | m_is_drivedge = 0; |
| 4285 | 4279 | |
| 4286 | | state->m_itech020_prot_address = 0x112f; |
| 4280 | m_itech020_prot_address = 0x112f; |
| 4287 | 4281 | } |
| 4288 | 4282 | |
| 4289 | 4283 | |
| r20828 | r20829 | |
| 4297 | 4291 | through GTClassic. This is _NOT_ a factory modification |
| 4298 | 4292 | */ |
| 4299 | 4293 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x200000, 0x200003, read32_delegate(FUNC(itech32_state::trackball32_8bit_r),this)); |
| 4300 | | init_gt_common(machine()); |
| 4294 | init_gt_common(); |
| 4301 | 4295 | } |
| 4302 | 4296 | |
| 4303 | 4297 | |
| r20828 | r20829 | |
| 4311 | 4305 | */ |
| 4312 | 4306 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x180800, 0x180803, read32_delegate(FUNC(itech32_state::trackball32_4bit_p1_r),this)); |
| 4313 | 4307 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x181000, 0x181003, read32_delegate(FUNC(itech32_state::trackball32_4bit_p2_r),this)); |
| 4314 | | init_gt_common(machine()); |
| 4308 | init_gt_common(); |
| 4315 | 4309 | } |
| 4316 | 4310 | |
| 4317 | 4311 | |
| r20828 | r20829 | |
| 4322 | 4316 | */ |
| 4323 | 4317 | DRIVER_INIT_CALL(aama); |
| 4324 | 4318 | |
| 4325 | | install_timekeeper(machine()); |
| 4319 | install_timekeeper(); |
| 4326 | 4320 | } |
| 4327 | 4321 | |
| 4328 | 4322 | |
| r20828 | r20829 | |
| 4335 | 4329 | Trackball info is read through 200202 (actually 200203). |
| 4336 | 4330 | */ |
| 4337 | 4331 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x200200, 0x200203, read32_delegate(FUNC(itech32_state::trackball32_4bit_p1_r),this)); |
| 4338 | | init_gt_common(machine()); |
| 4332 | init_gt_common(); |
| 4339 | 4333 | } |
| 4340 | 4334 | |
| 4341 | 4335 | |
| r20828 | r20829 | |
| 4349 | 4343 | Player 2 trackball read through 200002 |
| 4350 | 4344 | */ |
| 4351 | 4345 | machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x200000, 0x200003, read32_delegate(FUNC(itech32_state::trackball32_4bit_combined_r),this)); |
| 4352 | | init_gt_common(machine()); |
| 4346 | init_gt_common(); |
| 4353 | 4347 | } |
| 4354 | 4348 | |
| 4355 | 4349 | |
trunk/src/mame/machine/irobot.c
| r20828 | r20829 | |
| 27 | 27 | "%s, scanline: %d\n", (m).describe_context(), (m).primary_screen->vpos()) |
| 28 | 28 | |
| 29 | 29 | |
| 30 | | static void irmb_run(running_machine &machine); |
| 31 | | |
| 32 | | |
| 33 | | /***********************************************************************/ |
| 34 | | |
| 35 | | |
| 36 | | |
| 37 | 30 | READ8_MEMBER(irobot_state::irobot_sharedmem_r) |
| 38 | 31 | { |
| 39 | 32 | if (m_outx == 3) |
| r20828 | r20829 | |
| 76 | 69 | m_combase_mb = m_comRAM[(data >> 7) ^ 1]; |
| 77 | 70 | m_bufsel = data & 0x02; |
| 78 | 71 | if (((data & 0x01) == 0x01) && (m_vg_clear == 0)) |
| 79 | | irobot_poly_clear(machine()); |
| 72 | irobot_poly_clear(); |
| 80 | 73 | |
| 81 | 74 | m_vg_clear = data & 0x01; |
| 82 | 75 | |
| 83 | 76 | if ((data & 0x04) && !(m_statwr & 0x04)) |
| 84 | 77 | { |
| 85 | | irobot_run_video(machine()); |
| 78 | irobot_run_video(); |
| 86 | 79 | #if IR_TIMING |
| 87 | 80 | if (m_irvg_running == 0) |
| 88 | 81 | logerror("vg start "); |
| r20828 | r20829 | |
| 94 | 87 | m_irvg_running=1; |
| 95 | 88 | } |
| 96 | 89 | if ((data & 0x10) && !(m_statwr & 0x10)) |
| 97 | | irmb_run(machine()); |
| 90 | irmb_run(); |
| 98 | 91 | m_statwr = data; |
| 99 | 92 | } |
| 100 | 93 | |
| r20828 | r20829 | |
| 287 | 280 | #endif |
| 288 | 281 | |
| 289 | 282 | |
| 290 | | static UINT32 irmb_din(irobot_state *state, const irmb_ops *curop) |
| 283 | UINT32 irobot_state::irmb_din(const irmb_ops *curop) |
| 291 | 284 | { |
| 292 | 285 | UINT32 d = 0; |
| 293 | 286 | |
| 294 | 287 | if (!(curop->flags & FL_MBMEMDEC) && (curop->flags & FL_MBRW)) |
| 295 | 288 | { |
| 296 | | UINT32 ad = curop->diradd | (state->m_irmb_latch & curop->latchmask); |
| 289 | UINT32 ad = curop->diradd | (m_irmb_latch & curop->latchmask); |
| 297 | 290 | |
| 298 | | if (curop->diren || (state->m_irmb_latch & 0x6000) == 0) |
| 299 | | d = ((UINT16 *)state->m_mbRAM)[ad & 0xfff]; /* MB RAM read */ |
| 300 | | else if (state->m_irmb_latch & 0x4000) |
| 301 | | d = ((UINT16 *)state->m_mbROM)[ad + 0x2000]; /* MB ROM read, CEMATH = 1 */ |
| 291 | if (curop->diren || (m_irmb_latch & 0x6000) == 0) |
| 292 | d = ((UINT16 *)m_mbRAM)[ad & 0xfff]; /* MB RAM read */ |
| 293 | else if (m_irmb_latch & 0x4000) |
| 294 | d = ((UINT16 *)m_mbROM)[ad + 0x2000]; /* MB ROM read, CEMATH = 1 */ |
| 302 | 295 | else |
| 303 | | d = ((UINT16 *)state->m_mbROM)[ad & 0x1fff]; /* MB ROM read, CEMATH = 0 */ |
| 296 | d = ((UINT16 *)m_mbROM)[ad & 0x1fff]; /* MB ROM read, CEMATH = 0 */ |
| 304 | 297 | } |
| 305 | 298 | return d; |
| 306 | 299 | } |
| 307 | 300 | |
| 308 | 301 | |
| 309 | | static void irmb_dout(irobot_state *state, const irmb_ops *curop, UINT32 d) |
| 302 | void irobot_state::irmb_dout(const irmb_ops *curop, UINT32 d) |
| 310 | 303 | { |
| 311 | 304 | /* Write to video com ram */ |
| 312 | 305 | if (curop->ramsel == 3) |
| 313 | | ((UINT16 *)state->m_combase_mb)[state->m_irmb_latch & 0x7ff] = d; |
| 306 | ((UINT16 *)m_combase_mb)[m_irmb_latch & 0x7ff] = d; |
| 314 | 307 | |
| 315 | 308 | /* Write to mathox ram */ |
| 316 | 309 | if (!(curop->flags & FL_MBMEMDEC)) |
| 317 | 310 | { |
| 318 | | UINT32 ad = curop->diradd | (state->m_irmb_latch & curop->latchmask); |
| 311 | UINT32 ad = curop->diradd | (m_irmb_latch & curop->latchmask); |
| 319 | 312 | |
| 320 | | if (curop->diren || (state->m_irmb_latch & 0x6000) == 0) |
| 321 | | ((UINT16 *)state->m_mbRAM)[ad & 0xfff] = d; /* MB RAM write */ |
| 313 | if (curop->diren || (m_irmb_latch & 0x6000) == 0) |
| 314 | ((UINT16 *)m_mbRAM)[ad & 0xfff] = d; /* MB RAM write */ |
| 322 | 315 | } |
| 323 | 316 | } |
| 324 | 317 | |
| 325 | 318 | |
| 326 | 319 | /* Convert microcode roms to a more usable form */ |
| 327 | | static void load_oproms(running_machine &machine) |
| 320 | void irobot_state::load_oproms() |
| 328 | 321 | { |
| 329 | | irobot_state *state = machine.driver_data<irobot_state>(); |
| 330 | | UINT8 *MB = state->memregion("proms")->base() + 0x20; |
| 322 | UINT8 *MB = memregion("proms")->base() + 0x20; |
| 331 | 323 | int i; |
| 332 | 324 | |
| 333 | 325 | /* allocate RAM */ |
| 334 | | state->m_mbops = auto_alloc_array(machine, irmb_ops, 1024); |
| 326 | m_mbops = auto_alloc_array(machine(), irmb_ops, 1024); |
| 335 | 327 | |
| 336 | 328 | for (i = 0; i < 1024; i++) |
| 337 | 329 | { |
| 338 | 330 | int nxtadd, func, ramsel, diradd, latchmask, dirmask, time; |
| 339 | 331 | |
| 340 | | state->m_mbops[i].areg = &state->m_irmb_regs[MB[0x0000 + i] & 0x0F]; |
| 341 | | state->m_mbops[i].breg = &state->m_irmb_regs[MB[0x0400 + i] & 0x0F]; |
| 332 | m_mbops[i].areg = &m_irmb_regs[MB[0x0000 + i] & 0x0F]; |
| 333 | m_mbops[i].breg = &m_irmb_regs[MB[0x0400 + i] & 0x0F]; |
| 342 | 334 | func = (MB[0x0800 + i] & 0x0F) << 5; |
| 343 | 335 | func |= ((MB[0x0C00 +i] & 0x0F) << 1); |
| 344 | 336 | func |= (MB[0x1000 + i] & 0x08) >> 3; |
| 345 | 337 | time = MB[0x1000 + i] & 0x03; |
| 346 | | state->m_mbops[i].flags = (MB[0x1000 + i] & 0x04) >> 2; |
| 338 | m_mbops[i].flags = (MB[0x1000 + i] & 0x04) >> 2; |
| 347 | 339 | nxtadd = (MB[0x1400 + i] & 0x0C) >> 2; |
| 348 | 340 | diradd = MB[0x1400 + i] & 0x03; |
| 349 | 341 | nxtadd |= ((MB[0x1800 + i] & 0x0F) << 6); |
| 350 | 342 | nxtadd |= ((MB[0x1C00 + i] & 0x0F) << 2); |
| 351 | 343 | diradd |= (MB[0x2000 + i] & 0x0F) << 2; |
| 352 | 344 | func |= (MB[0x2400 + i] & 0x0E) << 9; |
| 353 | | state->m_mbops[i].flags |= (MB[0x2400 + i] & 0x01) << 1; |
| 354 | | state->m_mbops[i].flags |= (MB[0x2800 + i] & 0x0F) << 2; |
| 355 | | state->m_mbops[i].flags |= ((MB[0x2C00 + i] & 0x01) << 6); |
| 356 | | state->m_mbops[i].flags |= (MB[0x2C00 + i] & 0x08) << 4; |
| 345 | m_mbops[i].flags |= (MB[0x2400 + i] & 0x01) << 1; |
| 346 | m_mbops[i].flags |= (MB[0x2800 + i] & 0x0F) << 2; |
| 347 | m_mbops[i].flags |= ((MB[0x2C00 + i] & 0x01) << 6); |
| 348 | m_mbops[i].flags |= (MB[0x2C00 + i] & 0x08) << 4; |
| 357 | 349 | ramsel = (MB[0x2C00 + i] & 0x06) >> 1; |
| 358 | 350 | diradd |= (MB[0x3000 + i] & 0x03) << 6; |
| 359 | 351 | |
| 360 | | if (state->m_mbops[i].flags & FL_shift) func |= 0x200; |
| 352 | if (m_mbops[i].flags & FL_shift) func |= 0x200; |
| 361 | 353 | |
| 362 | | state->m_mbops[i].func = func; |
| 363 | | state->m_mbops[i].nxtop = &state->m_mbops[nxtadd]; |
| 354 | m_mbops[i].func = func; |
| 355 | m_mbops[i].nxtop = &m_mbops[nxtadd]; |
| 364 | 356 | |
| 365 | 357 | /* determine the number of 12MHz cycles for this operation */ |
| 366 | 358 | if (time == 3) |
| 367 | | state->m_mbops[i].cycles = 2; |
| 359 | m_mbops[i].cycles = 2; |
| 368 | 360 | else |
| 369 | | state->m_mbops[i].cycles = 3 + time; |
| 361 | m_mbops[i].cycles = 3 + time; |
| 370 | 362 | |
| 371 | 363 | /* precompute the hardcoded address bits and the mask to be used on the latch value */ |
| 372 | 364 | if (ramsel == 0) |
| r20828 | r20829 | |
| 384 | 376 | else |
| 385 | 377 | dirmask |= 0x0003; |
| 386 | 378 | |
| 387 | | state->m_mbops[i].ramsel = ramsel; |
| 388 | | state->m_mbops[i].diradd = diradd & dirmask; |
| 389 | | state->m_mbops[i].latchmask = latchmask; |
| 390 | | state->m_mbops[i].diren = (ramsel == 0); |
| 379 | m_mbops[i].ramsel = ramsel; |
| 380 | m_mbops[i].diradd = diradd & dirmask; |
| 381 | m_mbops[i].latchmask = latchmask; |
| 382 | m_mbops[i].diren = (ramsel == 0); |
| 391 | 383 | |
| 392 | 384 | #if DISASSEMBLE_MB_ROM |
| 393 | | disassemble_instruction(&state->m_mbops[i]); |
| 385 | disassemble_instruction(&m_mbops[i]); |
| 394 | 386 | #endif |
| 395 | 387 | } |
| 396 | 388 | } |
| r20828 | r20829 | |
| 406 | 398 | m_irmb_regs[i] = 0; |
| 407 | 399 | } |
| 408 | 400 | m_irmb_latch=0; |
| 409 | | load_oproms(machine()); |
| 401 | load_oproms(); |
| 410 | 402 | } |
| 411 | 403 | |
| 412 | 404 | TIMER_DEVICE_CALLBACK_MEMBER(irobot_state::irobot_irmb_done_callback) |
| r20828 | r20829 | |
| 525 | 517 | #define JUMP3 if (!nflag) curop = curop->nxtop; else curop++; |
| 526 | 518 | #define JUMP4 if (nflag) curop = curop->nxtop; else curop++; |
| 527 | 519 | #define JUMP5 curop = curop->nxtop; |
| 528 | | #define JUMP6 state->m_irmb_stack[SP] = curop + 1; SP = (SP + 1) & 15; curop = curop->nxtop; |
| 529 | | #define JUMP7 SP = (SP - 1) & 15; curop = state->m_irmb_stack[SP]; |
| 520 | #define JUMP6 m_irmb_stack[SP] = curop + 1; SP = (SP + 1) & 15; curop = curop->nxtop; |
| 521 | #define JUMP7 SP = (SP - 1) & 15; curop = m_irmb_stack[SP]; |
| 530 | 522 | |
| 531 | 523 | |
| 532 | 524 | /* Run mathbox */ |
| 533 | | static void irmb_run(running_machine &machine) |
| 525 | void irobot_state::irmb_run() |
| 534 | 526 | { |
| 535 | | irobot_state *state = machine.driver_data<irobot_state>(); |
| 536 | | const irmb_ops *prevop = &state->m_mbops[0]; |
| 537 | | const irmb_ops *curop = &state->m_mbops[0]; |
| 527 | const irmb_ops *prevop = &m_mbops[0]; |
| 528 | const irmb_ops *curop = &m_mbops[0]; |
| 538 | 529 | |
| 539 | 530 | UINT32 Q = 0; |
| 540 | 531 | UINT32 Y = 0; |
| r20828 | r20829 | |
| 579 | 570 | case 0x02: ADD(0, Q); break; |
| 580 | 571 | case 0x03: ADD(0, *curop->breg); break; |
| 581 | 572 | case 0x04: ADD(0, *curop->areg); break; |
| 582 | | case 0x05: tmp = irmb_din(state, curop); ADD(tmp, *curop->areg); break; |
| 583 | | case 0x06: tmp = irmb_din(state, curop); ADD(tmp, Q); break; |
| 584 | | case 0x07: tmp = irmb_din(state, curop); ADD(tmp, 0); break; |
| 573 | case 0x05: tmp = irmb_din(curop); ADD(tmp, *curop->areg); break; |
| 574 | case 0x06: tmp = irmb_din(curop); ADD(tmp, Q); break; |
| 575 | case 0x07: tmp = irmb_din(curop); ADD(tmp, 0); break; |
| 585 | 576 | case 0x08: SUBR(*curop->areg, Q); break; |
| 586 | 577 | case 0x09: SUBR(*curop->areg, *curop->breg); break; |
| 587 | 578 | case 0x0a: SUBR(0, Q); break; |
| 588 | 579 | case 0x0b: SUBR(0, *curop->breg); break; |
| 589 | 580 | case 0x0c: SUBR(0, *curop->areg); break; |
| 590 | | case 0x0d: tmp = irmb_din(state, curop); SUBR(tmp, *curop->areg); break; |
| 591 | | case 0x0e: tmp = irmb_din(state, curop); SUBR(tmp, Q); break; |
| 592 | | case 0x0f: tmp = irmb_din(state, curop); SUBR(tmp, 0); break; |
| 581 | case 0x0d: tmp = irmb_din(curop); SUBR(tmp, *curop->areg); break; |
| 582 | case 0x0e: tmp = irmb_din(curop); SUBR(tmp, Q); break; |
| 583 | case 0x0f: tmp = irmb_din(curop); SUBR(tmp, 0); break; |
| 593 | 584 | case 0x10: SUB(*curop->areg, Q); break; |
| 594 | 585 | case 0x11: SUB(*curop->areg, *curop->breg); break; |
| 595 | 586 | case 0x12: SUB(0, Q); break; |
| 596 | 587 | case 0x13: SUB(0, *curop->breg); break; |
| 597 | 588 | case 0x14: SUB(0, *curop->areg); break; |
| 598 | | case 0x15: tmp = irmb_din(state, curop); SUB(tmp, *curop->areg); break; |
| 599 | | case 0x16: tmp = irmb_din(state, curop); SUB(tmp, Q); break; |
| 600 | | case 0x17: tmp = irmb_din(state, curop); SUB(tmp, 0); break; |
| 589 | case 0x15: tmp = irmb_din(curop); SUB(tmp, *curop->areg); break; |
| 590 | case 0x16: tmp = irmb_din(curop); SUB(tmp, Q); break; |
| 591 | case 0x17: tmp = irmb_din(curop); SUB(tmp, 0); break; |
| 601 | 592 | case 0x18: OR(*curop->areg, Q); break; |
| 602 | 593 | case 0x19: OR(*curop->areg, *curop->breg); break; |
| 603 | 594 | case 0x1a: OR(0, Q); break; |
| 604 | 595 | case 0x1b: OR(0, *curop->breg); break; |
| 605 | 596 | case 0x1c: OR(0, *curop->areg); break; |
| 606 | | case 0x1d: OR(irmb_din(state, curop), *curop->areg); break; |
| 607 | | case 0x1e: OR(irmb_din(state, curop), Q); break; |
| 608 | | case 0x1f: OR(irmb_din(state, curop), 0); break; |
| 597 | case 0x1d: OR(irmb_din(curop), *curop->areg); break; |
| 598 | case 0x1e: OR(irmb_din(curop), Q); break; |
| 599 | case 0x1f: OR(irmb_din(curop), 0); break; |
| 609 | 600 | case 0x20: AND(*curop->areg, Q); break; |
| 610 | 601 | case 0x21: AND(*curop->areg, *curop->breg); break; |
| 611 | 602 | case 0x22: AND(0, Q); break; |
| 612 | 603 | case 0x23: AND(0, *curop->breg); break; |
| 613 | 604 | case 0x24: AND(0, *curop->areg); break; |
| 614 | | case 0x25: AND(irmb_din(state, curop), *curop->areg); break; |
| 615 | | case 0x26: AND(irmb_din(state, curop), Q); break; |
| 616 | | case 0x27: AND(irmb_din(state, curop), 0); break; |
| 605 | case 0x25: AND(irmb_din(curop), *curop->areg); break; |
| 606 | case 0x26: AND(irmb_din(curop), Q); break; |
| 607 | case 0x27: AND(irmb_din(curop), 0); break; |
| 617 | 608 | case 0x28: IAND(*curop->areg, Q); break; |
| 618 | 609 | case 0x29: IAND(*curop->areg, *curop->breg); break; |
| 619 | 610 | case 0x2a: IAND(0, Q); break; |
| 620 | 611 | case 0x2b: IAND(0, *curop->breg); break; |
| 621 | 612 | case 0x2c: IAND(0, *curop->areg); break; |
| 622 | | case 0x2d: IAND(irmb_din(state, curop), *curop->areg); break; |
| 623 | | case 0x2e: IAND(irmb_din(state, curop), Q); break; |
| 624 | | case 0x2f: IAND(irmb_din(state, curop), 0); break; |
| 613 | case 0x2d: IAND(irmb_din(curop), *curop->areg); break; |
| 614 | case 0x2e: IAND(irmb_din(curop), Q); break; |
| 615 | case 0x2f: IAND(irmb_din(curop), 0); break; |
| 625 | 616 | case 0x30: XOR(*curop->areg, Q); break; |
| 626 | 617 | case 0x31: XOR(*curop->areg, *curop->breg); break; |
| 627 | 618 | case 0x32: XOR(0, Q); break; |
| 628 | 619 | case 0x33: XOR(0, *curop->breg); break; |
| 629 | 620 | case 0x34: XOR(0, *curop->areg); break; |
| 630 | | case 0x35: XOR(irmb_din(state, curop), *curop->areg); break; |
| 631 | | case 0x36: XOR(irmb_din(state, curop), Q); break; |
| 632 | | case 0x37: XOR(irmb_din(state, curop), 0); break; |
| 621 | case 0x35: XOR(irmb_din(curop), *curop->areg); break; |
| 622 | case 0x36: XOR(irmb_din(curop), Q); break; |
| 623 | case 0x37: XOR(irmb_din(curop), 0); break; |
| 633 | 624 | case 0x38: IXOR(*curop->areg, Q); break; |
| 634 | 625 | case 0x39: IXOR(*curop->areg, *curop->breg); break; |
| 635 | 626 | case 0x3a: IXOR(0, Q); break; |
| 636 | 627 | case 0x3b: IXOR(0, *curop->breg); break; |
| 637 | 628 | case 0x3c: IXOR(0, *curop->areg); break; |
| 638 | | case 0x3d: IXOR(irmb_din(state, curop), *curop->areg); break; |
| 639 | | case 0x3e: IXOR(irmb_din(state, curop), Q); break; |
| 640 | | default: case 0x3f: IXOR(irmb_din(state, curop), 0); break; |
| 629 | case 0x3d: IXOR(irmb_din(curop), *curop->areg); break; |
| 630 | case 0x3e: IXOR(irmb_din(curop), Q); break; |
| 631 | default: case 0x3f: IXOR(irmb_din(curop), 0); break; |
| 641 | 632 | } |
| 642 | 633 | |
| 643 | 634 | /* Evaluate flags */ |
| r20828 | r20829 | |
| 788 | 779 | |
| 789 | 780 | /* Do write */ |
| 790 | 781 | if (!(prevop->flags & FL_MBRW)) |
| 791 | | irmb_dout(state, prevop, Y); |
| 782 | irmb_dout(prevop, Y); |
| 792 | 783 | |
| 793 | 784 | /* ADDEN */ |
| 794 | 785 | if (!(prevop->flags & FL_ADDEN)) |
| 795 | 786 | { |
| 796 | 787 | if (prevop->flags & FL_MBRW) |
| 797 | | state->m_irmb_latch = irmb_din(state, prevop); |
| 788 | m_irmb_latch = irmb_din(prevop); |
| 798 | 789 | else |
| 799 | | state->m_irmb_latch = Y; |
| 790 | m_irmb_latch = Y; |
| 800 | 791 | } |
| 801 | 792 | } |
| 802 | 793 | g_profiler.stop(); |
| r20828 | r20829 | |
| 805 | 796 | |
| 806 | 797 | |
| 807 | 798 | #if IR_TIMING |
| 808 | | if (state->m_irmb_running == 0) |
| 799 | if (m_irmb_running == 0) |
| 809 | 800 | { |
| 810 | | state->m_irmb_timer->adjust(attotime::from_hz(12000000) * icount); |
| 801 | m_irmb_timer->adjust(attotime::from_hz(12000000) * icount); |
| 811 | 802 | logerror("mb start "); |
| 812 | | IR_CPU_STATE(machine); |
| 803 | IR_CPU_STATE(machine()); |
| 813 | 804 | } |
| 814 | 805 | else |
| 815 | 806 | { |
| 816 | 807 | logerror("mb start [busy!] "); |
| 817 | | IR_CPU_STATE(machine); |
| 818 | | state->m_irmb_timer->adjust(attotime::from_hz(200) * icount); |
| 808 | IR_CPU_STATE(machine()); |
| 809 | m_irmb_timer->adjust(attotime::from_hz(200) * icount); |
| 819 | 810 | } |
| 820 | 811 | #else |
| 821 | | machine.device("maincpu")->execute().set_input_line(M6809_FIRQ_LINE, ASSERT_LINE); |
| 812 | machine().device("maincpu")->execute().set_input_line(M6809_FIRQ_LINE, ASSERT_LINE); |
| 822 | 813 | #endif |
| 823 | | state->m_irmb_running=1; |
| 814 | m_irmb_running=1; |
| 824 | 815 | } |
| 825 | 816 | |
| 826 | 817 | |
trunk/src/mame/video/itech32.c
| r20828 | r20829 | |
| 131 | 131 | |
| 132 | 132 | #define ADJUSTED_HEIGHT(x) ((((x) >> 1) & 0x100) | ((x) & 0xff)) |
| 133 | 133 | |
| 134 | | INLINE offs_t compute_safe_address(itech32_state *state, int x, int y) |
| 134 | inline offs_t itech32_state::compute_safe_address(int x, int y) |
| 135 | 135 | { |
| 136 | | return ((y & state->m_vram_ymask) * 512) + (x & state->m_vram_xmask); |
| 136 | return ((y & m_vram_ymask) * 512) + (x & m_vram_xmask); |
| 137 | 137 | } |
| 138 | 138 | |
| 139 | | INLINE void disable_clipping(itech32_state *state) |
| 139 | inline void itech32_state::disable_clipping() |
| 140 | 140 | { |
| 141 | | state->m_clip_save = state->m_clip_rect; |
| 142 | | state->m_clip_rect.set(0, 0xfff, 0, 0xfff); |
| 143 | | state->m_scaled_clip_rect.set(0, 0xfff << 8, 0, 0xfff << 8); |
| 141 | m_clip_save = m_clip_rect; |
| 142 | m_clip_rect.set(0, 0xfff, 0, 0xfff); |
| 143 | m_scaled_clip_rect.set(0, 0xfff << 8, 0, 0xfff << 8); |
| 144 | 144 | } |
| 145 | 145 | |
| 146 | | INLINE void enable_clipping(itech32_state *state) |
| 146 | inline void itech32_state::enable_clipping() |
| 147 | 147 | { |
| 148 | | state->m_clip_rect = state->m_clip_save; |
| 148 | m_clip_rect = m_clip_save; |
| 149 | 149 | |
| 150 | | state->m_scaled_clip_rect.min_x = state->m_clip_rect.min_x << 8; |
| 151 | | state->m_scaled_clip_rect.max_x = state->m_clip_rect.max_x << 8; |
| 152 | | state->m_scaled_clip_rect.min_y = state->m_clip_rect.min_y << 8; |
| 153 | | state->m_scaled_clip_rect.max_y = state->m_clip_rect.max_y << 8; |
| 150 | m_scaled_clip_rect.min_x = m_clip_rect.min_x << 8; |
| 151 | m_scaled_clip_rect.max_x = m_clip_rect.max_x << 8; |
| 152 | m_scaled_clip_rect.min_y = m_clip_rect.min_y << 8; |
| 153 | m_scaled_clip_rect.max_y = m_clip_rect.max_y << 8; |
| 154 | 154 | } |
| 155 | 155 | |
| 156 | 156 | |
| r20828 | r20829 | |
| 365 | 365 | * |
| 366 | 366 | *************************************/ |
| 367 | 367 | |
| 368 | | static void logblit(running_machine &machine, const char *tag) |
| 368 | void itech32_state::logblit(const char *tag) |
| 369 | 369 | { |
| 370 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 371 | | if (!machine.input().code_pressed(KEYCODE_L)) |
| 370 | if (!machine().input().code_pressed(KEYCODE_L)) |
| 372 | 371 | return; |
| 373 | | if (state->m_is_drivedge && state->VIDEO_TRANSFER_FLAGS == 0x5490) |
| 372 | if (m_is_drivedge && VIDEO_TRANSFER_FLAGS == 0x5490) |
| 374 | 373 | { |
| 375 | 374 | /* polygon drawing */ |
| 376 | 375 | logerror("%s: e=%d%d f=%04x s=(%03x-%03x,%03x) w=%03x h=%03x b=%02x%04x c=%02x%02x ss=%04x,%04x ds=%04x,%04x ls=%04x%04x rs=%04x%04x u80=%04x", tag, |
| 377 | | state->m_enable_latch[0], state->m_enable_latch[1], |
| 378 | | state->VIDEO_TRANSFER_FLAGS, |
| 379 | | state->VIDEO_TRANSFER_X, state->VIDEO_RIGHTCLIP, state->VIDEO_TRANSFER_Y, state->VIDEO_TRANSFER_WIDTH, state->VIDEO_TRANSFER_HEIGHT, |
| 380 | | state->VIDEO_TRANSFER_ADDRHI, state->VIDEO_TRANSFER_ADDRLO, |
| 381 | | state->m_color_latch[0] >> 8, state->m_color_latch[1] >> 8, |
| 382 | | state->VIDEO_SRC_XSTEP, state->VIDEO_SRC_YSTEP, |
| 383 | | state->VIDEO_DST_XSTEP, state->VIDEO_DST_YSTEP, |
| 384 | | state->VIDEO_LEFTSTEPHI, state->VIDEO_LEFTSTEPLO, state->VIDEO_RIGHTSTEPHI, state->VIDEO_RIGHTSTEPLO, |
| 385 | | state->VIDEO_STARTSTEP); |
| 376 | m_enable_latch[0], m_enable_latch[1], |
| 377 | VIDEO_TRANSFER_FLAGS, |
| 378 | VIDEO_TRANSFER_X, VIDEO_RIGHTCLIP, VIDEO_TRANSFER_Y, VIDEO_TRANSFER_WIDTH, VIDEO_TRANSFER_HEIGHT, |
| 379 | VIDEO_TRANSFER_ADDRHI, VIDEO_TRANSFER_ADDRLO, |
| 380 | m_color_latch[0] >> 8, m_color_latch[1] >> 8, |
| 381 | VIDEO_SRC_XSTEP, VIDEO_SRC_YSTEP, |
| 382 | VIDEO_DST_XSTEP, VIDEO_DST_YSTEP, |
| 383 | VIDEO_LEFTSTEPHI, VIDEO_LEFTSTEPLO, VIDEO_RIGHTSTEPHI, VIDEO_RIGHTSTEPLO, |
| 384 | VIDEO_STARTSTEP); |
| 386 | 385 | } |
| 387 | 386 | |
| 388 | | else if (state->m_video[0x16/2] == 0x100 && state->m_video[0x18/2] == 0x100 && |
| 389 | | state->m_video[0x1a/2] == 0x000 && state->m_video[0x1c/2] == 0x100 && |
| 390 | | state->m_video[0x1e/2] == 0x000 && state->m_video[0x20/2] == 0x000) |
| 387 | else if (m_video[0x16/2] == 0x100 && m_video[0x18/2] == 0x100 && |
| 388 | m_video[0x1a/2] == 0x000 && m_video[0x1c/2] == 0x100 && |
| 389 | m_video[0x1e/2] == 0x000 && m_video[0x20/2] == 0x000) |
| 391 | 390 | { |
| 392 | 391 | logerror("%s: e=%d%d f=%04x c=%02x%02x %02x%04x -> (%03x,%03x) %3dx%3dc=(%03x,%03x)-(%03x,%03x)", tag, |
| 393 | | state->m_enable_latch[0], state->m_enable_latch[1], |
| 394 | | state->VIDEO_TRANSFER_FLAGS, |
| 395 | | state->m_color_latch[0] >> 8, state->m_color_latch[1] >> 8, |
| 396 | | state->VIDEO_TRANSFER_ADDRHI, state->VIDEO_TRANSFER_ADDRLO, |
| 397 | | state->VIDEO_TRANSFER_X, state->VIDEO_TRANSFER_Y, |
| 398 | | state->VIDEO_TRANSFER_WIDTH, ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT), |
| 399 | | state->VIDEO_LEFTCLIP, state->VIDEO_TOPCLIP, state->VIDEO_RIGHTCLIP, state->VIDEO_BOTTOMCLIP); |
| 392 | m_enable_latch[0], m_enable_latch[1], |
| 393 | VIDEO_TRANSFER_FLAGS, |
| 394 | m_color_latch[0] >> 8, m_color_latch[1] >> 8, |
| 395 | VIDEO_TRANSFER_ADDRHI, VIDEO_TRANSFER_ADDRLO, |
| 396 | VIDEO_TRANSFER_X, VIDEO_TRANSFER_Y, |
| 397 | VIDEO_TRANSFER_WIDTH, ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT), |
| 398 | VIDEO_LEFTCLIP, VIDEO_TOPCLIP, VIDEO_RIGHTCLIP, VIDEO_BOTTOMCLIP); |
| 400 | 399 | } |
| 401 | 400 | else |
| 402 | 401 | { |
| 403 | 402 | logerror("%s: e=%d%d f=%04x c=%02x%02x %02x%04x -> (%03x,%03x) %3dx%3d c=(%03x,%03x)-(%03x,%03x) s=%04x %04x %04x %04x %04x %04x", tag, |
| 404 | | state->m_enable_latch[0], state->m_enable_latch[1], |
| 405 | | state->VIDEO_TRANSFER_FLAGS, |
| 406 | | state->m_color_latch[0] >> 8, state->m_color_latch[1] >> 8, |
| 407 | | state->VIDEO_TRANSFER_ADDRHI, state->VIDEO_TRANSFER_ADDRLO, |
| 408 | | state->VIDEO_TRANSFER_X, state->VIDEO_TRANSFER_Y, |
| 409 | | state->VIDEO_TRANSFER_WIDTH, ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT), |
| 410 | | state->VIDEO_LEFTCLIP, state->VIDEO_TOPCLIP, state->VIDEO_RIGHTCLIP, state->VIDEO_BOTTOMCLIP, |
| 411 | | state->m_video[0x16/2], state->m_video[0x18/2], state->m_video[0x1a/2], |
| 412 | | state->m_video[0x1c/2], state->m_video[0x1e/2], state->m_video[0x20/2]); |
| 403 | m_enable_latch[0], m_enable_latch[1], |
| 404 | VIDEO_TRANSFER_FLAGS, |
| 405 | m_color_latch[0] >> 8, m_color_latch[1] >> 8, |
| 406 | VIDEO_TRANSFER_ADDRHI, VIDEO_TRANSFER_ADDRLO, |
| 407 | VIDEO_TRANSFER_X, VIDEO_TRANSFER_Y, |
| 408 | VIDEO_TRANSFER_WIDTH, ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT), |
| 409 | VIDEO_LEFTCLIP, VIDEO_TOPCLIP, VIDEO_RIGHTCLIP, VIDEO_BOTTOMCLIP, |
| 410 | m_video[0x16/2], m_video[0x18/2], m_video[0x1a/2], |
| 411 | m_video[0x1c/2], m_video[0x1e/2], m_video[0x20/2]); |
| 413 | 412 | } |
| 414 | | if (state->m_is_drivedge) logerror(" v0=%08x v1=%08x v2=%08x v3=%08x", state->m_drivedge_zbuf_control[0], state->m_drivedge_zbuf_control[1], state->m_drivedge_zbuf_control[2], state->m_drivedge_zbuf_control[3]); |
| 413 | if (m_is_drivedge) logerror(" v0=%08x v1=%08x v2=%08x v3=%08x", m_drivedge_zbuf_control[0], m_drivedge_zbuf_control[1], m_drivedge_zbuf_control[2], m_drivedge_zbuf_control[3]); |
| 415 | 414 | logerror("\n"); |
| 416 | 415 | } |
| 417 | 416 | |
| r20828 | r20829 | |
| 423 | 422 | * |
| 424 | 423 | *************************************/ |
| 425 | 424 | |
| 426 | | static void update_interrupts(running_machine &machine, int fast) |
| 425 | void itech32_state::update_interrupts(int fast) |
| 427 | 426 | { |
| 428 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 429 | 427 | int scanline_state = 0, blitter_state = 0; |
| 430 | 428 | |
| 431 | | if (state->VIDEO_INTSTATE & state->VIDEO_INTENABLE & VIDEOINT_SCANLINE) |
| 429 | if (VIDEO_INTSTATE & VIDEO_INTENABLE & VIDEOINT_SCANLINE) |
| 432 | 430 | scanline_state = 1; |
| 433 | | if (state->VIDEO_INTSTATE & state->VIDEO_INTENABLE & VIDEOINT_BLITTER) |
| 431 | if (VIDEO_INTSTATE & VIDEO_INTENABLE & VIDEOINT_BLITTER) |
| 434 | 432 | blitter_state = 1; |
| 435 | 433 | |
| 436 | | itech32_update_interrupts(machine, -1, blitter_state, scanline_state); |
| 434 | itech32_update_interrupts(-1, blitter_state, scanline_state); |
| 437 | 435 | } |
| 438 | 436 | |
| 439 | 437 | |
| r20828 | r20829 | |
| 447 | 445 | VIDEO_INTSTATE |= VIDEOINT_SCANLINE; |
| 448 | 446 | |
| 449 | 447 | /* update the interrupt state */ |
| 450 | | update_interrupts(machine(), 0); |
| 448 | update_interrupts(0); |
| 451 | 449 | } |
| 452 | 450 | |
| 453 | 451 | |
| r20828 | r20829 | |
| 458 | 456 | * |
| 459 | 457 | *************************************/ |
| 460 | 458 | |
| 461 | | static void draw_raw(itech32_state *state, UINT16 *base, UINT16 color) |
| 459 | void itech32_state::draw_raw(UINT16 *base, UINT16 color) |
| 462 | 460 | { |
| 463 | | UINT8 *src = &state->m_grom_base[(state->m_grom_bank | ((state->VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | state->VIDEO_TRANSFER_ADDRLO) % state->m_grom_size]; |
| 464 | | int transparent_pen = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 465 | | int width = state->VIDEO_TRANSFER_WIDTH << 8; |
| 466 | | int height = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT) << 8; |
| 467 | | int xsrcstep = state->VIDEO_SRC_XSTEP; |
| 468 | | int ysrcstep = state->VIDEO_SRC_YSTEP; |
| 469 | | int sx, sy = (state->VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 470 | | int startx = (state->VIDEO_TRANSFER_X & 0xfff) << 8; |
| 461 | UINT8 *src = &m_grom_base[(m_grom_bank | ((VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | VIDEO_TRANSFER_ADDRLO) % m_grom_size]; |
| 462 | int transparent_pen = (VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 463 | int width = VIDEO_TRANSFER_WIDTH << 8; |
| 464 | int height = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT) << 8; |
| 465 | int xsrcstep = VIDEO_SRC_XSTEP; |
| 466 | int ysrcstep = VIDEO_SRC_YSTEP; |
| 467 | int sx, sy = (VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 468 | int startx = (VIDEO_TRANSFER_X & 0xfff) << 8; |
| 471 | 469 | int xdststep = 0x100; |
| 472 | | int ydststep = state->VIDEO_DST_YSTEP; |
| 470 | int ydststep = VIDEO_DST_YSTEP; |
| 473 | 471 | int x, y; |
| 474 | 472 | |
| 475 | 473 | /* adjust for (lack of) clipping */ |
| 476 | | if (!(state->VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 477 | | disable_clipping(state); |
| 474 | if (!(VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 475 | disable_clipping(); |
| 478 | 476 | |
| 479 | 477 | /* adjust for scaling */ |
| 480 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) |
| 481 | | xdststep = state->VIDEO_DST_XSTEP; |
| 478 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) |
| 479 | xdststep = VIDEO_DST_XSTEP; |
| 482 | 480 | |
| 483 | 481 | /* adjust for flipping */ |
| 484 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 482 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 485 | 483 | xdststep = -xdststep; |
| 486 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 484 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 487 | 485 | ydststep = -ydststep; |
| 488 | 486 | |
| 489 | 487 | /* loop over Y in src pixels */ |
| r20828 | r20829 | |
| 492 | 490 | UINT8 *rowsrc = &src[(y >> 8) * (width >> 8)]; |
| 493 | 491 | |
| 494 | 492 | /* simpler case: VIDEO_YSTEP_PER_X is zero */ |
| 495 | | if (state->VIDEO_YSTEP_PER_X == 0) |
| 493 | if (VIDEO_YSTEP_PER_X == 0) |
| 496 | 494 | { |
| 497 | 495 | /* clip in the Y direction */ |
| 498 | | if (sy >= state->m_scaled_clip_rect.min_y && sy < state->m_scaled_clip_rect.max_y) |
| 496 | if (sy >= m_scaled_clip_rect.min_y && sy < m_scaled_clip_rect.max_y) |
| 499 | 497 | { |
| 500 | 498 | UINT32 dstoffs; |
| 501 | 499 | |
| r20828 | r20829 | |
| 504 | 502 | if (xdststep > 0) |
| 505 | 503 | { |
| 506 | 504 | /* skip left pixels */ |
| 507 | | for (x = 0; x < width && sx < state->m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) ; |
| 505 | for (x = 0; x < width && sx < m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) ; |
| 508 | 506 | |
| 509 | 507 | /* compute the address */ |
| 510 | | dstoffs = compute_safe_address(state, sx >> 8, sy >> 8) - (sx >> 8); |
| 508 | dstoffs = compute_safe_address(sx >> 8, sy >> 8) - (sx >> 8); |
| 511 | 509 | |
| 512 | 510 | /* render middle pixels */ |
| 513 | | for ( ; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 511 | for ( ; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 514 | 512 | { |
| 515 | 513 | int pixel = rowsrc[x >> 8]; |
| 516 | 514 | if (pixel != transparent_pen) |
| 517 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 515 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 518 | 516 | } |
| 519 | 517 | } |
| 520 | 518 | else |
| 521 | 519 | { |
| 522 | 520 | /* skip right pixels */ |
| 523 | | for (x = 0; x < width && sx >= state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) ; |
| 521 | for (x = 0; x < width && sx >= m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) ; |
| 524 | 522 | |
| 525 | 523 | /* compute the address */ |
| 526 | | dstoffs = compute_safe_address(state, sx >> 8, sy >> 8) - (sx >> 8); |
| 524 | dstoffs = compute_safe_address(sx >> 8, sy >> 8) - (sx >> 8); |
| 527 | 525 | |
| 528 | 526 | /* render middle pixels */ |
| 529 | | for ( ; x < width && sx >= state->m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 527 | for ( ; x < width && sx >= m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 530 | 528 | { |
| 531 | 529 | int pixel = rowsrc[x >> 8]; |
| 532 | 530 | if (pixel != transparent_pen) |
| 533 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 531 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 534 | 532 | } |
| 535 | 533 | } |
| 536 | 534 | } |
| r20828 | r20829 | |
| 539 | 537 | /* slow case: VIDEO_YSTEP_PER_X is non-zero */ |
| 540 | 538 | else |
| 541 | 539 | { |
| 542 | | int ystep = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DYDXSIGN) ? -state->VIDEO_YSTEP_PER_X : state->VIDEO_YSTEP_PER_X; |
| 540 | int ystep = (VIDEO_TRANSFER_FLAGS & XFERFLAG_DYDXSIGN) ? -VIDEO_YSTEP_PER_X : VIDEO_YSTEP_PER_X; |
| 543 | 541 | int ty = sy; |
| 544 | 542 | |
| 545 | 543 | /* render all pixels */ |
| 546 | 544 | sx = startx; |
| 547 | | for (x = 0; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 548 | | if (state->m_scaled_clip_rect.contains(sx, ty)) |
| 545 | for (x = 0; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 546 | if (m_scaled_clip_rect.contains(sx, ty)) |
| 549 | 547 | { |
| 550 | 548 | int pixel = rowsrc[x >> 8]; |
| 551 | 549 | if (pixel != transparent_pen) |
| 552 | | base[compute_safe_address(state, sx >> 8, ty >> 8)] = pixel | color; |
| 550 | base[compute_safe_address(sx >> 8, ty >> 8)] = pixel | color; |
| 553 | 551 | } |
| 554 | 552 | } |
| 555 | 553 | |
| 556 | 554 | /* apply skew */ |
| 557 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DXDYSIGN) |
| 558 | | startx += state->VIDEO_XSTEP_PER_Y; |
| 555 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_DXDYSIGN) |
| 556 | startx += VIDEO_XSTEP_PER_Y; |
| 559 | 557 | else |
| 560 | | startx -= state->VIDEO_XSTEP_PER_Y; |
| 558 | startx -= VIDEO_XSTEP_PER_Y; |
| 561 | 559 | } |
| 562 | 560 | |
| 563 | 561 | /* restore cliprects */ |
| 564 | | if (!(state->VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 565 | | enable_clipping(state); |
| 562 | if (!(VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 563 | enable_clipping(); |
| 566 | 564 | } |
| 567 | 565 | |
| 568 | 566 | |
| 569 | | static void draw_raw_drivedge(itech32_state *state, UINT16 *base, UINT16 *zbase, UINT16 color) |
| 567 | void itech32_state::draw_raw_drivedge(UINT16 *base, UINT16 *zbase, UINT16 color) |
| 570 | 568 | { |
| 571 | | UINT8 *src = &state->m_grom_base[(state->m_grom_bank | ((state->VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | state->VIDEO_TRANSFER_ADDRLO) % state->m_grom_size]; |
| 572 | | int transparent_pen = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 573 | | int width = state->VIDEO_TRANSFER_WIDTH << 8; |
| 574 | | int height = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT) << 8; |
| 575 | | int xsrcstep = state->VIDEO_SRC_XSTEP; |
| 576 | | int ysrcstep = state->VIDEO_SRC_YSTEP; |
| 577 | | int sx, sy = ((state->VIDEO_TRANSFER_Y & 0xfff) << 8) + 0x80; |
| 578 | | int startx = ((state->VIDEO_TRANSFER_X & 0xfff) << 8) + 0x80; |
| 569 | UINT8 *src = &m_grom_base[(m_grom_bank | ((VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | VIDEO_TRANSFER_ADDRLO) % m_grom_size]; |
| 570 | int transparent_pen = (VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 571 | int width = VIDEO_TRANSFER_WIDTH << 8; |
| 572 | int height = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT) << 8; |
| 573 | int xsrcstep = VIDEO_SRC_XSTEP; |
| 574 | int ysrcstep = VIDEO_SRC_YSTEP; |
| 575 | int sx, sy = ((VIDEO_TRANSFER_Y & 0xfff) << 8) + 0x80; |
| 576 | int startx = ((VIDEO_TRANSFER_X & 0xfff) << 8) + 0x80; |
| 579 | 577 | int xdststep = 0x100; |
| 580 | | int ydststep = state->VIDEO_DST_YSTEP; |
| 581 | | INT32 z0 = state->m_drivedge_zbuf_control[2] & 0x7ff00; |
| 582 | | INT32 zmatch = (state->m_drivedge_zbuf_control[2] & 0x1f) << 11; |
| 578 | int ydststep = VIDEO_DST_YSTEP; |
| 579 | INT32 z0 = m_drivedge_zbuf_control[2] & 0x7ff00; |
| 580 | INT32 zmatch = (m_drivedge_zbuf_control[2] & 0x1f) << 11; |
| 583 | 581 | INT32 srcdelta = 0; |
| 584 | 582 | int x, y; |
| 585 | 583 | |
| 586 | 584 | /* adjust for (lack of) clipping */ |
| 587 | | if (!(state->VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 588 | | disable_clipping(state); |
| 585 | if (!(VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 586 | disable_clipping(); |
| 589 | 587 | |
| 590 | 588 | /* adjust for scaling */ |
| 591 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) |
| 592 | | xdststep = state->VIDEO_DST_XSTEP; |
| 589 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) |
| 590 | xdststep = VIDEO_DST_XSTEP; |
| 593 | 591 | |
| 594 | 592 | /* adjust for flipping */ |
| 595 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 593 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 596 | 594 | xdststep = -xdststep; |
| 597 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 595 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 598 | 596 | ydststep = -ydststep; |
| 599 | 597 | |
| 600 | 598 | /* loop over Y in src pixels */ |
| r20828 | r20829 | |
| 603 | 601 | UINT8 *rowsrc = src + (srcdelta >> 8); |
| 604 | 602 | |
| 605 | 603 | /* in the polygon case, we don't factor in the Y */ |
| 606 | | if (state->VIDEO_TRANSFER_FLAGS != 0x5490) |
| 604 | if (VIDEO_TRANSFER_FLAGS != 0x5490) |
| 607 | 605 | rowsrc += (y >> 8) * (width >> 8); |
| 608 | 606 | else |
| 609 | 607 | width = 1000 << 8; |
| 610 | 608 | |
| 611 | 609 | /* simpler case: VIDEO_YSTEP_PER_X is zero */ |
| 612 | | if (state->VIDEO_YSTEP_PER_X == 0) |
| 610 | if (VIDEO_YSTEP_PER_X == 0) |
| 613 | 611 | { |
| 614 | 612 | /* clip in the Y direction */ |
| 615 | | if (sy >= state->m_scaled_clip_rect.min_y && sy < state->m_scaled_clip_rect.max_y) |
| 613 | if (sy >= m_scaled_clip_rect.min_y && sy < m_scaled_clip_rect.max_y) |
| 616 | 614 | { |
| 617 | 615 | UINT32 dstoffs, zbufoffs; |
| 618 | 616 | INT32 z = z0; |
| r20828 | r20829 | |
| 622 | 620 | if (xdststep > 0) |
| 623 | 621 | { |
| 624 | 622 | /* skip left pixels */ |
| 625 | | for (x = 0; x < width && sx < state->m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 626 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 623 | for (x = 0; x < width && sx < m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 624 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 627 | 625 | |
| 628 | 626 | /* compute the address */ |
| 629 | | dstoffs = compute_safe_address(state, sx >> 8, sy >> 8) - (sx >> 8); |
| 630 | | zbufoffs = compute_safe_address(state, sx >> 8, sy >> 8) - (sx >> 8); |
| 627 | dstoffs = compute_safe_address(sx >> 8, sy >> 8) - (sx >> 8); |
| 628 | zbufoffs = compute_safe_address(sx >> 8, sy >> 8) - (sx >> 8); |
| 631 | 629 | |
| 632 | 630 | /* render middle pixels */ |
| 633 | | if (state->m_drivedge_zbuf_control[3] & 0x8000) |
| 631 | if (m_drivedge_zbuf_control[3] & 0x8000) |
| 634 | 632 | { |
| 635 | | for ( ; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 633 | for ( ; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 636 | 634 | { |
| 637 | 635 | int pixel = rowsrc[x >> 8]; |
| 638 | 636 | if (pixel != transparent_pen) |
| 639 | 637 | { |
| 640 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 641 | | zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] = (z >> 8) | zmatch; |
| 638 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 639 | zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] = (z >> 8) | zmatch; |
| 642 | 640 | } |
| 643 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 641 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 644 | 642 | } |
| 645 | 643 | } |
| 646 | | else if (state->m_drivedge_zbuf_control[3] & 0x4000) |
| 644 | else if (m_drivedge_zbuf_control[3] & 0x4000) |
| 647 | 645 | { |
| 648 | | for ( ; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 646 | for ( ; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 649 | 647 | { |
| 650 | 648 | int pixel = rowsrc[x >> 8]; |
| 651 | | if (pixel != transparent_pen && zmatch == (zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] & (0x1f << 11))) |
| 652 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 653 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 649 | if (pixel != transparent_pen && zmatch == (zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] & (0x1f << 11))) |
| 650 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 651 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 654 | 652 | } |
| 655 | 653 | } |
| 656 | 654 | else |
| 657 | 655 | { |
| 658 | | for ( ; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 656 | for ( ; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 659 | 657 | { |
| 660 | 658 | int pixel = rowsrc[x >> 8]; |
| 661 | | if (pixel != transparent_pen && ((z >> 8) <= (zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] & 0x7ff))) |
| 659 | if (pixel != transparent_pen && ((z >> 8) <= (zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] & 0x7ff))) |
| 662 | 660 | { |
| 663 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 664 | | zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] = (z >> 8) | zmatch; |
| 661 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 662 | zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] = (z >> 8) | zmatch; |
| 665 | 663 | } |
| 666 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 664 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 667 | 665 | } |
| 668 | 666 | } |
| 669 | 667 | } |
| 670 | 668 | else |
| 671 | 669 | { |
| 672 | 670 | /* skip right pixels */ |
| 673 | | for (x = 0; x < width && sx >= state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 674 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 671 | for (x = 0; x < width && sx >= m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep) |
| 672 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 675 | 673 | |
| 676 | 674 | /* compute the address */ |
| 677 | | dstoffs = compute_safe_address(state, sx >> 8, sy >> 8) - (sx >> 8); |
| 678 | | zbufoffs = compute_safe_address(state, sx >> 8, sy >> 8) - (sx >> 8); |
| 675 | dstoffs = compute_safe_address(sx >> 8, sy >> 8) - (sx >> 8); |
| 676 | zbufoffs = compute_safe_address(sx >> 8, sy >> 8) - (sx >> 8); |
| 679 | 677 | |
| 680 | 678 | /* render middle pixels */ |
| 681 | | if (state->m_drivedge_zbuf_control[3] & 0x8000) |
| 679 | if (m_drivedge_zbuf_control[3] & 0x8000) |
| 682 | 680 | { |
| 683 | | for ( ; x < width && sx >= state->m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 681 | for ( ; x < width && sx >= m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 684 | 682 | { |
| 685 | 683 | int pixel = rowsrc[x >> 8]; |
| 686 | 684 | if (pixel != transparent_pen) |
| 687 | 685 | { |
| 688 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 689 | | zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] = (z >> 8) | zmatch; |
| 686 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 687 | zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] = (z >> 8) | zmatch; |
| 690 | 688 | } |
| 691 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 689 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 692 | 690 | } |
| 693 | 691 | } |
| 694 | | else if (state->m_drivedge_zbuf_control[3] & 0x4000) |
| 692 | else if (m_drivedge_zbuf_control[3] & 0x4000) |
| 695 | 693 | { |
| 696 | | for ( ; x < width && sx >= state->m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 694 | for ( ; x < width && sx >= m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 697 | 695 | { |
| 698 | 696 | int pixel = rowsrc[x >> 8]; |
| 699 | | if (pixel != transparent_pen && zmatch == (zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] & (0x1f << 11))) |
| 700 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 701 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 697 | if (pixel != transparent_pen && zmatch == (zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] & (0x1f << 11))) |
| 698 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 699 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 702 | 700 | } |
| 703 | 701 | } |
| 704 | 702 | else |
| 705 | 703 | { |
| 706 | | for ( ; x < width && sx >= state->m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 704 | for ( ; x < width && sx >= m_scaled_clip_rect.min_x; x += xsrcstep, sx += xdststep) |
| 707 | 705 | { |
| 708 | 706 | int pixel = rowsrc[x >> 8]; |
| 709 | | if (pixel != transparent_pen && ((z >> 8) <= (zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] & 0x7ff))) |
| 707 | if (pixel != transparent_pen && ((z >> 8) <= (zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] & 0x7ff))) |
| 710 | 708 | { |
| 711 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = pixel | color; |
| 712 | | zbase[(zbufoffs + (sx >> 8)) & state->m_vram_mask] = (z >> 8) | zmatch; |
| 709 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = pixel | color; |
| 710 | zbase[(zbufoffs + (sx >> 8)) & m_vram_mask] = (z >> 8) | zmatch; |
| 713 | 711 | } |
| 714 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 712 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 715 | 713 | } |
| 716 | 714 | } |
| 717 | 715 | } |
| r20828 | r20829 | |
| 721 | 719 | /* slow case: VIDEO_YSTEP_PER_X is non-zero */ |
| 722 | 720 | else |
| 723 | 721 | { |
| 724 | | int ystep = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DYDXSIGN) ? -state->VIDEO_YSTEP_PER_X : state->VIDEO_YSTEP_PER_X; |
| 722 | int ystep = (VIDEO_TRANSFER_FLAGS & XFERFLAG_DYDXSIGN) ? -VIDEO_YSTEP_PER_X : VIDEO_YSTEP_PER_X; |
| 725 | 723 | int ty = sy; |
| 726 | 724 | INT32 z = z0; |
| 727 | 725 | |
| 728 | 726 | /* render all pixels */ |
| 729 | 727 | sx = startx; |
| 730 | | if (state->m_drivedge_zbuf_control[3] & 0x8000) |
| 728 | if (m_drivedge_zbuf_control[3] & 0x8000) |
| 731 | 729 | { |
| 732 | | for (x = 0; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 733 | | if (state->m_scaled_clip_rect.contains(sx, ty)) |
| 730 | for (x = 0; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 731 | if (m_scaled_clip_rect.contains(sx, ty)) |
| 734 | 732 | { |
| 735 | 733 | int pixel = rowsrc[x >> 8]; |
| 736 | 734 | if (pixel != transparent_pen) |
| 737 | 735 | { |
| 738 | | base[compute_safe_address(state, sx >> 8, ty >> 8)] = pixel | color; |
| 739 | | zbase[compute_safe_address(state, sx >> 8, ty >> 8)] = (z >> 8) | zmatch; |
| 736 | base[compute_safe_address(sx >> 8, ty >> 8)] = pixel | color; |
| 737 | zbase[compute_safe_address(sx >> 8, ty >> 8)] = (z >> 8) | zmatch; |
| 740 | 738 | } |
| 741 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 739 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 742 | 740 | } |
| 743 | 741 | } |
| 744 | | else if (state->m_drivedge_zbuf_control[3] & 0x4000) |
| 742 | else if (m_drivedge_zbuf_control[3] & 0x4000) |
| 745 | 743 | { |
| 746 | | for (x = 0; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 747 | | if (state->m_scaled_clip_rect.contains(sx, ty)) |
| 744 | for (x = 0; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 745 | if (m_scaled_clip_rect.contains(sx, ty)) |
| 748 | 746 | { |
| 749 | 747 | int pixel = rowsrc[x >> 8]; |
| 750 | | UINT16 *zbuf = &zbase[compute_safe_address(state, sx >> 8, ty >> 8)]; |
| 748 | UINT16 *zbuf = &zbase[compute_safe_address(sx >> 8, ty >> 8)]; |
| 751 | 749 | if (pixel != transparent_pen && zmatch == (*zbuf & (0x1f << 11))) |
| 752 | 750 | { |
| 753 | | base[compute_safe_address(state, sx >> 8, ty >> 8)] = pixel | color; |
| 751 | base[compute_safe_address(sx >> 8, ty >> 8)] = pixel | color; |
| 754 | 752 | *zbuf = (z >> 8) | zmatch; |
| 755 | 753 | } |
| 756 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 754 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 757 | 755 | } |
| 758 | 756 | } |
| 759 | 757 | else |
| 760 | 758 | { |
| 761 | | for (x = 0; x < width && sx < state->m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 762 | | if (state->m_scaled_clip_rect.contains(sx, ty)) |
| 759 | for (x = 0; x < width && sx < m_scaled_clip_rect.max_x; x += xsrcstep, sx += xdststep, ty += ystep) |
| 760 | if (m_scaled_clip_rect.contains(sx, ty)) |
| 763 | 761 | { |
| 764 | 762 | int pixel = rowsrc[x >> 8]; |
| 765 | | UINT16 *zbuf = &zbase[compute_safe_address(state, sx >> 8, ty >> 8)]; |
| 763 | UINT16 *zbuf = &zbase[compute_safe_address(sx >> 8, ty >> 8)]; |
| 766 | 764 | if (pixel != transparent_pen && ((z >> 8) <= (*zbuf & 0x7ff))) |
| 767 | 765 | { |
| 768 | | base[compute_safe_address(state, sx >> 8, ty >> 8)] = pixel | color; |
| 766 | base[compute_safe_address(sx >> 8, ty >> 8)] = pixel | color; |
| 769 | 767 | *zbuf = (z >> 8) | zmatch; |
| 770 | 768 | } |
| 771 | | z += (INT32)state->m_drivedge_zbuf_control[0]; |
| 769 | z += (INT32)m_drivedge_zbuf_control[0]; |
| 772 | 770 | } |
| 773 | 771 | } |
| 774 | 772 | } |
| 775 | 773 | |
| 776 | 774 | /* apply skew */ |
| 777 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DXDYSIGN) |
| 778 | | startx += state->VIDEO_XSTEP_PER_Y; |
| 775 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_DXDYSIGN) |
| 776 | startx += VIDEO_XSTEP_PER_Y; |
| 779 | 777 | else |
| 780 | | startx -= state->VIDEO_XSTEP_PER_Y; |
| 778 | startx -= VIDEO_XSTEP_PER_Y; |
| 781 | 779 | |
| 782 | 780 | /* update the per-scanline parameters */ |
| 783 | | if (state->VIDEO_TRANSFER_FLAGS == 0x5490) |
| 781 | if (VIDEO_TRANSFER_FLAGS == 0x5490) |
| 784 | 782 | { |
| 785 | | startx += (INT32)((state->VIDEO_LEFTSTEPHI << 16) | state->VIDEO_LEFTSTEPLO); |
| 786 | | state->m_scaled_clip_rect.max_x += (INT32)((state->VIDEO_RIGHTSTEPHI << 16) | state->VIDEO_RIGHTSTEPLO); |
| 787 | | srcdelta += (INT16)state->VIDEO_STARTSTEP; |
| 783 | startx += (INT32)((VIDEO_LEFTSTEPHI << 16) | VIDEO_LEFTSTEPLO); |
| 784 | m_scaled_clip_rect.max_x += (INT32)((VIDEO_RIGHTSTEPHI << 16) | VIDEO_RIGHTSTEPLO); |
| 785 | srcdelta += (INT16)VIDEO_STARTSTEP; |
| 788 | 786 | } |
| 789 | | z0 += (INT32)state->m_drivedge_zbuf_control[1]; |
| 787 | z0 += (INT32)m_drivedge_zbuf_control[1]; |
| 790 | 788 | } |
| 791 | 789 | |
| 792 | 790 | /* restore cliprects */ |
| 793 | | if (!(state->VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 794 | | enable_clipping(state); |
| 791 | if (!(VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 792 | enable_clipping(); |
| 795 | 793 | |
| 796 | 794 | /* reflect the final values into registers */ |
| 797 | | state->VIDEO_TRANSFER_X = (state->VIDEO_TRANSFER_X & ~0xfff) | (startx >> 8); |
| 798 | | state->VIDEO_RIGHTCLIP = (state->VIDEO_RIGHTCLIP & ~0xfff) | (state->m_scaled_clip_rect.max_x >> 8); |
| 799 | | state->VIDEO_TRANSFER_Y = (state->VIDEO_TRANSFER_Y & ~0xfff) | ((state->VIDEO_TRANSFER_Y + (y >> 8)) & 0xfff); |
| 800 | | state->VIDEO_TRANSFER_ADDRLO += srcdelta >> 8; |
| 795 | VIDEO_TRANSFER_X = (VIDEO_TRANSFER_X & ~0xfff) | (startx >> 8); |
| 796 | VIDEO_RIGHTCLIP = (VIDEO_RIGHTCLIP & ~0xfff) | (m_scaled_clip_rect.max_x >> 8); |
| 797 | VIDEO_TRANSFER_Y = (VIDEO_TRANSFER_Y & ~0xfff) | ((VIDEO_TRANSFER_Y + (y >> 8)) & 0xfff); |
| 798 | VIDEO_TRANSFER_ADDRLO += srcdelta >> 8; |
| 801 | 799 | |
| 802 | | state->m_drivedge_zbuf_control[2] = (state->m_drivedge_zbuf_control[2] & ~0x7ff00) | (z0 & 0x7ff00); |
| 800 | m_drivedge_zbuf_control[2] = (m_drivedge_zbuf_control[2] & ~0x7ff00) | (z0 & 0x7ff00); |
| 803 | 801 | } |
| 804 | 802 | |
| 805 | 803 | |
| r20828 | r20829 | |
| 848 | 846 | * |
| 849 | 847 | *************************************/ |
| 850 | 848 | |
| 851 | | INLINE void draw_rle_fast(itech32_state *state, UINT16 *base, UINT16 color) |
| 849 | inline void itech32_state::draw_rle_fast(UINT16 *base, UINT16 color) |
| 852 | 850 | { |
| 853 | | UINT8 *src = &state->m_grom_base[(state->m_grom_bank | ((state->VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | state->VIDEO_TRANSFER_ADDRLO) % state->m_grom_size]; |
| 854 | | int transparent_pen = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 855 | | int width = state->VIDEO_TRANSFER_WIDTH; |
| 856 | | int height = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT); |
| 857 | | int sx = state->VIDEO_TRANSFER_X & 0xfff; |
| 858 | | int sy = (state->VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 851 | UINT8 *src = &m_grom_base[(m_grom_bank | ((VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | VIDEO_TRANSFER_ADDRLO) % m_grom_size]; |
| 852 | int transparent_pen = (VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 853 | int width = VIDEO_TRANSFER_WIDTH; |
| 854 | int height = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT); |
| 855 | int sx = VIDEO_TRANSFER_X & 0xfff; |
| 856 | int sy = (VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 859 | 857 | int xleft, y, count = 0, val = 0, innercount; |
| 860 | | int ydststep = state->VIDEO_DST_YSTEP; |
| 858 | int ydststep = VIDEO_DST_YSTEP; |
| 861 | 859 | int lclip, rclip; |
| 862 | 860 | |
| 863 | 861 | /* determine clipping */ |
| 864 | | lclip = state->m_clip_rect.min_x - sx; |
| 862 | lclip = m_clip_rect.min_x - sx; |
| 865 | 863 | if (lclip < 0) lclip = 0; |
| 866 | | rclip = sx + width - state->m_clip_rect.max_x; |
| 864 | rclip = sx + width - m_clip_rect.max_x; |
| 867 | 865 | if (rclip < 0) rclip = 0; |
| 868 | 866 | width -= lclip + rclip; |
| 869 | 867 | sx += lclip; |
| 870 | 868 | |
| 871 | 869 | /* adjust for flipping */ |
| 872 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 870 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 873 | 871 | ydststep = -ydststep; |
| 874 | 872 | |
| 875 | 873 | /* loop over Y in src pixels */ |
| r20828 | r20829 | |
| 878 | 876 | UINT32 dstoffs; |
| 879 | 877 | |
| 880 | 878 | /* clip in the Y direction */ |
| 881 | | if (sy < state->m_scaled_clip_rect.min_y || sy >= state->m_scaled_clip_rect.max_y) |
| 879 | if (sy < m_scaled_clip_rect.min_y || sy >= m_scaled_clip_rect.max_y) |
| 882 | 880 | { |
| 883 | 881 | SKIP_RLE(width + lclip + rclip, xleft, count, innercount, src); |
| 884 | 882 | continue; |
| 885 | 883 | } |
| 886 | 884 | |
| 887 | 885 | /* compute the address */ |
| 888 | | dstoffs = compute_safe_address(state, sx, sy >> 8); |
| 886 | dstoffs = compute_safe_address(sx, sy >> 8); |
| 889 | 887 | |
| 890 | 888 | /* left clip */ |
| 891 | 889 | SKIP_RLE(lclip, xleft, count, innercount, src); |
| r20828 | r20829 | |
| 902 | 900 | { |
| 903 | 901 | int pixel = *src++; |
| 904 | 902 | if (pixel != transparent_pen) |
| 905 | | base[dstoffs & state->m_vram_mask] = color | pixel; |
| 903 | base[dstoffs & m_vram_mask] = color | pixel; |
| 906 | 904 | dstoffs++; |
| 907 | 905 | } |
| 908 | 906 | |
| r20828 | r20829 | |
| 911 | 909 | { |
| 912 | 910 | val |= color; |
| 913 | 911 | while (innercount--) |
| 914 | | base[dstoffs++ & state->m_vram_mask] = val; |
| 912 | base[dstoffs++ & m_vram_mask] = val; |
| 915 | 913 | } |
| 916 | 914 | |
| 917 | 915 | /* run of transparent repeats */ |
| r20828 | r20829 | |
| 925 | 923 | } |
| 926 | 924 | |
| 927 | 925 | |
| 928 | | INLINE void draw_rle_fast_xflip(itech32_state *state, UINT16 *base, UINT16 color) |
| 926 | inline void itech32_state::draw_rle_fast_xflip(UINT16 *base, UINT16 color) |
| 929 | 927 | { |
| 930 | | UINT8 *src = &state->m_grom_base[(state->m_grom_bank | ((state->VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | state->VIDEO_TRANSFER_ADDRLO) % state->m_grom_size]; |
| 931 | | int transparent_pen = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 932 | | int width = state->VIDEO_TRANSFER_WIDTH; |
| 933 | | int height = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT); |
| 934 | | int sx = state->VIDEO_TRANSFER_X & 0xfff; |
| 935 | | int sy = (state->VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 928 | UINT8 *src = &m_grom_base[(m_grom_bank | ((VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | VIDEO_TRANSFER_ADDRLO) % m_grom_size]; |
| 929 | int transparent_pen = (VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 930 | int width = VIDEO_TRANSFER_WIDTH; |
| 931 | int height = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT); |
| 932 | int sx = VIDEO_TRANSFER_X & 0xfff; |
| 933 | int sy = (VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 936 | 934 | int xleft, y, count = 0, val = 0, innercount; |
| 937 | | int ydststep = state->VIDEO_DST_YSTEP; |
| 935 | int ydststep = VIDEO_DST_YSTEP; |
| 938 | 936 | int lclip, rclip; |
| 939 | 937 | |
| 940 | 938 | /* determine clipping */ |
| 941 | | lclip = sx - state->m_clip_rect.max_x; |
| 939 | lclip = sx - m_clip_rect.max_x; |
| 942 | 940 | if (lclip < 0) lclip = 0; |
| 943 | | rclip = state->m_clip_rect.min_x - (sx - width); |
| 941 | rclip = m_clip_rect.min_x - (sx - width); |
| 944 | 942 | if (rclip < 0) rclip = 0; |
| 945 | 943 | width -= lclip + rclip; |
| 946 | 944 | sx -= lclip; |
| 947 | 945 | |
| 948 | 946 | /* adjust for flipping */ |
| 949 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 947 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 950 | 948 | ydststep = -ydststep; |
| 951 | 949 | |
| 952 | 950 | /* loop over Y in src pixels */ |
| r20828 | r20829 | |
| 955 | 953 | UINT32 dstoffs; |
| 956 | 954 | |
| 957 | 955 | /* clip in the Y direction */ |
| 958 | | if (sy < state->m_scaled_clip_rect.min_y || sy >= state->m_scaled_clip_rect.max_y) |
| 956 | if (sy < m_scaled_clip_rect.min_y || sy >= m_scaled_clip_rect.max_y) |
| 959 | 957 | { |
| 960 | 958 | SKIP_RLE(width + lclip + rclip, xleft, count, innercount, src); |
| 961 | 959 | continue; |
| 962 | 960 | } |
| 963 | 961 | |
| 964 | 962 | /* compute the address */ |
| 965 | | dstoffs = compute_safe_address(state, sx, sy >> 8); |
| 963 | dstoffs = compute_safe_address(sx, sy >> 8); |
| 966 | 964 | |
| 967 | 965 | /* left clip */ |
| 968 | 966 | SKIP_RLE(lclip, xleft, count, innercount, src); |
| r20828 | r20829 | |
| 979 | 977 | { |
| 980 | 978 | int pixel = *src++; |
| 981 | 979 | if (pixel != transparent_pen) |
| 982 | | base[dstoffs & state->m_vram_mask] = color | pixel; |
| 980 | base[dstoffs & m_vram_mask] = color | pixel; |
| 983 | 981 | dstoffs--; |
| 984 | 982 | } |
| 985 | 983 | |
| r20828 | r20829 | |
| 988 | 986 | { |
| 989 | 987 | val |= color; |
| 990 | 988 | while (innercount--) |
| 991 | | base[dstoffs-- & state->m_vram_mask] = val; |
| 989 | base[dstoffs-- & m_vram_mask] = val; |
| 992 | 990 | } |
| 993 | 991 | |
| 994 | 992 | /* run of transparent repeats */ |
| r20828 | r20829 | |
| 1009 | 1007 | * |
| 1010 | 1008 | *************************************/ |
| 1011 | 1009 | |
| 1012 | | INLINE void draw_rle_slow(itech32_state *state, UINT16 *base, UINT16 color) |
| 1010 | inline void itech32_state::draw_rle_slow(UINT16 *base, UINT16 color) |
| 1013 | 1011 | { |
| 1014 | | UINT8 *src = &state->m_grom_base[(state->m_grom_bank | ((state->VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | state->VIDEO_TRANSFER_ADDRLO) % state->m_grom_size]; |
| 1015 | | int transparent_pen = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 1016 | | int width = state->VIDEO_TRANSFER_WIDTH; |
| 1017 | | int height = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT); |
| 1018 | | int sx, sy = (state->VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 1012 | UINT8 *src = &m_grom_base[(m_grom_bank | ((VIDEO_TRANSFER_ADDRHI & 0xff) << 16) | VIDEO_TRANSFER_ADDRLO) % m_grom_size]; |
| 1013 | int transparent_pen = (VIDEO_TRANSFER_FLAGS & XFERFLAG_TRANSPARENT) ? 0xff : -1; |
| 1014 | int width = VIDEO_TRANSFER_WIDTH; |
| 1015 | int height = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT); |
| 1016 | int sx, sy = (VIDEO_TRANSFER_Y & 0xfff) << 8; |
| 1019 | 1017 | int xleft, y, count = 0, val = 0, innercount; |
| 1020 | 1018 | int xdststep = 0x100; |
| 1021 | | int ydststep = state->VIDEO_DST_YSTEP; |
| 1022 | | int startx = (state->VIDEO_TRANSFER_X & 0xfff) << 8; |
| 1019 | int ydststep = VIDEO_DST_YSTEP; |
| 1020 | int startx = (VIDEO_TRANSFER_X & 0xfff) << 8; |
| 1023 | 1021 | |
| 1024 | 1022 | /* adjust for scaling */ |
| 1025 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) |
| 1026 | | xdststep = state->VIDEO_DST_XSTEP; |
| 1023 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) |
| 1024 | xdststep = VIDEO_DST_XSTEP; |
| 1027 | 1025 | |
| 1028 | 1026 | /* adjust for flipping */ |
| 1029 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 1027 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 1030 | 1028 | xdststep = -xdststep; |
| 1031 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 1029 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) |
| 1032 | 1030 | ydststep = -ydststep; |
| 1033 | 1031 | |
| 1034 | 1032 | /* loop over Y in src pixels */ |
| r20828 | r20829 | |
| 1037 | 1035 | UINT32 dstoffs; |
| 1038 | 1036 | |
| 1039 | 1037 | /* clip in the Y direction */ |
| 1040 | | if (sy < state->m_scaled_clip_rect.min_y || sy >= state->m_scaled_clip_rect.max_y) |
| 1038 | if (sy < m_scaled_clip_rect.min_y || sy >= m_scaled_clip_rect.max_y) |
| 1041 | 1039 | { |
| 1042 | 1040 | SKIP_RLE(width, xleft, count, innercount, src); |
| 1043 | 1041 | continue; |
| r20828 | r20829 | |
| 1045 | 1043 | |
| 1046 | 1044 | /* compute the address */ |
| 1047 | 1045 | sx = startx; |
| 1048 | | dstoffs = compute_safe_address(state, state->m_clip_rect.min_x, sy >> 8) - state->m_clip_rect.min_x; |
| 1046 | dstoffs = compute_safe_address(m_clip_rect.min_x, sy >> 8) - m_clip_rect.min_x; |
| 1049 | 1047 | |
| 1050 | 1048 | /* loop until gone */ |
| 1051 | 1049 | for (xleft = width; xleft > 0; ) |
| r20828 | r20829 | |
| 1059 | 1057 | { |
| 1060 | 1058 | int pixel = *src++; |
| 1061 | 1059 | if (pixel != transparent_pen) |
| 1062 | | if (sx >= state->m_scaled_clip_rect.min_x && sx < state->m_scaled_clip_rect.max_x) |
| 1063 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = color | pixel; |
| 1060 | if (sx >= m_scaled_clip_rect.min_x && sx < m_scaled_clip_rect.max_x) |
| 1061 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = color | pixel; |
| 1064 | 1062 | } |
| 1065 | 1063 | |
| 1066 | 1064 | /* run of non-transparent repeats */ |
| r20828 | r20829 | |
| 1068 | 1066 | { |
| 1069 | 1067 | val |= color; |
| 1070 | 1068 | for ( ; innercount--; sx += xdststep) |
| 1071 | | if (sx >= state->m_scaled_clip_rect.min_x && sx < state->m_scaled_clip_rect.max_x) |
| 1072 | | base[(dstoffs + (sx >> 8)) & state->m_vram_mask] = val; |
| 1069 | if (sx >= m_scaled_clip_rect.min_x && sx < m_scaled_clip_rect.max_x) |
| 1070 | base[(dstoffs + (sx >> 8)) & m_vram_mask] = val; |
| 1073 | 1071 | } |
| 1074 | 1072 | |
| 1075 | 1073 | /* run of transparent repeats */ |
| r20828 | r20829 | |
| 1078 | 1076 | } |
| 1079 | 1077 | |
| 1080 | 1078 | /* apply skew */ |
| 1081 | | if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DXDYSIGN) |
| 1082 | | startx += state->VIDEO_XSTEP_PER_Y; |
| 1079 | if (VIDEO_TRANSFER_FLAGS & XFERFLAG_DXDYSIGN) |
| 1080 | startx += VIDEO_XSTEP_PER_Y; |
| 1083 | 1081 | else |
| 1084 | | startx -= state->VIDEO_XSTEP_PER_Y; |
| 1082 | startx -= VIDEO_XSTEP_PER_Y; |
| 1085 | 1083 | } |
| 1086 | 1084 | } |
| 1087 | 1085 | |
| 1088 | 1086 | |
| 1089 | 1087 | |
| 1090 | | static void draw_rle(itech32_state *state, UINT16 *base, UINT16 color) |
| 1088 | void itech32_state::draw_rle(UINT16 *base, UINT16 color) |
| 1091 | 1089 | { |
| 1092 | 1090 | /* adjust for (lack of) clipping */ |
| 1093 | | if (!(state->VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 1094 | | disable_clipping(state); |
| 1091 | if (!(VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 1092 | disable_clipping(); |
| 1095 | 1093 | |
| 1096 | 1094 | /* if we have an X scale, draw it slow */ |
| 1097 | | if (((state->VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) && state->VIDEO_DST_XSTEP != 0x100) || state->VIDEO_XSTEP_PER_Y) |
| 1098 | | draw_rle_slow(state, base, color); |
| 1095 | if (((VIDEO_TRANSFER_FLAGS & XFERFLAG_DSTXSCALE) && VIDEO_DST_XSTEP != 0x100) || VIDEO_XSTEP_PER_Y) |
| 1096 | draw_rle_slow(base, color); |
| 1099 | 1097 | |
| 1100 | 1098 | /* else draw it fast */ |
| 1101 | | else if (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 1102 | | draw_rle_fast_xflip(state, base, color); |
| 1099 | else if (VIDEO_TRANSFER_FLAGS & XFERFLAG_XFLIP) |
| 1100 | draw_rle_fast_xflip(base, color); |
| 1103 | 1101 | else |
| 1104 | | draw_rle_fast(state, base, color); |
| 1102 | draw_rle_fast(base, color); |
| 1105 | 1103 | |
| 1106 | 1104 | /* restore cliprects */ |
| 1107 | | if (!(state->VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 1108 | | enable_clipping(state); |
| 1105 | if (!(VIDEO_TRANSFER_FLAGS & XFERFLAG_CLIP)) |
| 1106 | enable_clipping(); |
| 1109 | 1107 | } |
| 1110 | 1108 | |
| 1111 | 1109 | |
| r20828 | r20829 | |
| 1116 | 1114 | * |
| 1117 | 1115 | *************************************/ |
| 1118 | 1116 | |
| 1119 | | static void shiftreg_clear(itech32_state *state, UINT16 *base, UINT16 *zbase) |
| 1117 | void itech32_state::shiftreg_clear(UINT16 *base, UINT16 *zbase) |
| 1120 | 1118 | { |
| 1121 | | int ydir = (state->VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) ? -1 : 1; |
| 1122 | | int height = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT); |
| 1123 | | int sx = state->VIDEO_TRANSFER_X & 0xfff; |
| 1124 | | int sy = state->VIDEO_TRANSFER_Y & 0xfff; |
| 1119 | int ydir = (VIDEO_TRANSFER_FLAGS & XFERFLAG_YFLIP) ? -1 : 1; |
| 1120 | int height = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT); |
| 1121 | int sx = VIDEO_TRANSFER_X & 0xfff; |
| 1122 | int sy = VIDEO_TRANSFER_Y & 0xfff; |
| 1125 | 1123 | UINT16 *src; |
| 1126 | 1124 | int y; |
| 1127 | 1125 | |
| 1128 | 1126 | /* first line is the source */ |
| 1129 | | src = &base[compute_safe_address(state, sx, sy)]; |
| 1127 | src = &base[compute_safe_address(sx, sy)]; |
| 1130 | 1128 | sy += ydir; |
| 1131 | 1129 | |
| 1132 | 1130 | /* loop over height */ |
| 1133 | 1131 | for (y = 1; y < height; y++) |
| 1134 | 1132 | { |
| 1135 | | memcpy(&base[compute_safe_address(state, sx, sy)], src, 512*2); |
| 1133 | memcpy(&base[compute_safe_address(sx, sy)], src, 512*2); |
| 1136 | 1134 | if (zbase) |
| 1137 | 1135 | { |
| 1138 | | UINT16 zval = ((state->m_drivedge_zbuf_control[2] >> 8) & 0x7ff) | ((state->m_drivedge_zbuf_control[2] & 0x1f) << 11); |
| 1139 | | UINT16 *dst = &zbase[compute_safe_address(state, sx, sy)]; |
| 1136 | UINT16 zval = ((m_drivedge_zbuf_control[2] >> 8) & 0x7ff) | ((m_drivedge_zbuf_control[2] & 0x1f) << 11); |
| 1137 | UINT16 *dst = &zbase[compute_safe_address(sx, sy)]; |
| 1140 | 1138 | int x; |
| 1141 | 1139 | for (x = 0; x < 512; x++) |
| 1142 | 1140 | *dst++ = zval; |
| r20828 | r20829 | |
| 1153 | 1151 | * |
| 1154 | 1152 | *************************************/ |
| 1155 | 1153 | |
| 1156 | | static void handle_video_command(running_machine &machine) |
| 1154 | void itech32_state::handle_video_command() |
| 1157 | 1155 | { |
| 1158 | | itech32_state *state = machine.driver_data<itech32_state>(); |
| 1159 | 1156 | /* only 6 known commands */ |
| 1160 | | switch (state->VIDEO_COMMAND) |
| 1157 | switch (VIDEO_COMMAND) |
| 1161 | 1158 | { |
| 1162 | 1159 | /* command 1: blit raw data */ |
| 1163 | 1160 | case 1: |
| 1164 | 1161 | g_profiler.start(PROFILER_USER1); |
| 1165 | | if (BLIT_LOGGING) logblit(machine, "Blit Raw"); |
| 1162 | if (BLIT_LOGGING) logblit("Blit Raw"); |
| 1166 | 1163 | |
| 1167 | | if (state->m_is_drivedge) |
| 1164 | if (m_is_drivedge) |
| 1168 | 1165 | { |
| 1169 | | if (state->m_enable_latch[0]) draw_raw_drivedge(state, state->m_videoplane[0], state->m_videoplane[1], state->m_color_latch[0]); |
| 1166 | if (m_enable_latch[0]) draw_raw_drivedge(m_videoplane[0], m_videoplane[1], m_color_latch[0]); |
| 1170 | 1167 | } |
| 1171 | 1168 | else |
| 1172 | 1169 | { |
| 1173 | | if (state->m_enable_latch[0]) draw_raw(state, state->m_videoplane[0], state->m_color_latch[0]); |
| 1174 | | if (state->m_enable_latch[1]) draw_raw(state, state->m_videoplane[1], state->m_color_latch[1]); |
| 1170 | if (m_enable_latch[0]) draw_raw(m_videoplane[0], m_color_latch[0]); |
| 1171 | if (m_enable_latch[1]) draw_raw(m_videoplane[1], m_color_latch[1]); |
| 1175 | 1172 | } |
| 1176 | 1173 | |
| 1177 | 1174 | g_profiler.stop(); |
| r20828 | r20829 | |
| 1180 | 1177 | /* command 2: blit RLE-compressed data */ |
| 1181 | 1178 | case 2: |
| 1182 | 1179 | g_profiler.start(PROFILER_USER2); |
| 1183 | | if (BLIT_LOGGING) logblit(machine, "Blit RLE"); |
| 1180 | if (BLIT_LOGGING) logblit("Blit RLE"); |
| 1184 | 1181 | |
| 1185 | | if (state->m_enable_latch[0]) draw_rle(state, state->m_videoplane[0], state->m_color_latch[0]); |
| 1186 | | if (state->m_enable_latch[1]) draw_rle(state, state->m_videoplane[1], state->m_color_latch[1]); |
| 1182 | if (m_enable_latch[0]) draw_rle(m_videoplane[0], m_color_latch[0]); |
| 1183 | if (m_enable_latch[1]) draw_rle(m_videoplane[1], m_color_latch[1]); |
| 1187 | 1184 | |
| 1188 | 1185 | g_profiler.stop(); |
| 1189 | 1186 | break; |
| 1190 | 1187 | |
| 1191 | 1188 | /* command 3: set up raw data transfer */ |
| 1192 | 1189 | case 3: |
| 1193 | | if (BLIT_LOGGING) logblit(machine, "Raw Xfer"); |
| 1194 | | state->m_xfer_xcount = state->VIDEO_TRANSFER_WIDTH; |
| 1195 | | state->m_xfer_ycount = ADJUSTED_HEIGHT(state->VIDEO_TRANSFER_HEIGHT); |
| 1196 | | state->m_xfer_xcur = state->VIDEO_TRANSFER_X & 0xfff; |
| 1197 | | state->m_xfer_ycur = state->VIDEO_TRANSFER_Y & 0xfff; |
| 1190 | if (BLIT_LOGGING) logblit("Raw Xfer"); |
| 1191 | m_xfer_xcount = VIDEO_TRANSFER_WIDTH; |
| 1192 | m_xfer_ycount = ADJUSTED_HEIGHT(VIDEO_TRANSFER_HEIGHT); |
| 1193 | m_xfer_xcur = VIDEO_TRANSFER_X & 0xfff; |
| 1194 | m_xfer_ycur = VIDEO_TRANSFER_Y & 0xfff; |
| 1198 | 1195 | break; |
| 1199 | 1196 | |
| 1200 | 1197 | /* command 4: flush? */ |
| r20828 | r20829 | |
| 1208 | 1205 | /* command 6: perform shift register copy */ |
| 1209 | 1206 | case 6: |
| 1210 | 1207 | g_profiler.start(PROFILER_USER3); |
| 1211 | | if (BLIT_LOGGING) logblit(machine, "ShiftReg"); |
| 1208 | if (BLIT_LOGGING) logblit("ShiftReg"); |
| 1212 | 1209 | |
| 1213 | | if (state->m_is_drivedge) |
| 1210 | if (m_is_drivedge) |
| 1214 | 1211 | { |
| 1215 | | if (state->m_enable_latch[0]) shiftreg_clear(state, state->m_videoplane[0], state->m_videoplane[1]); |
| 1212 | if (m_enable_latch[0]) shiftreg_clear(m_videoplane[0], m_videoplane[1]); |
| 1216 | 1213 | } |
| 1217 | 1214 | else |
| 1218 | 1215 | { |
| 1219 | | if (state->m_enable_latch[0]) shiftreg_clear(state, state->m_videoplane[0], NULL); |
| 1220 | | if (state->m_enable_latch[1]) shiftreg_clear(state, state->m_videoplane[1], NULL); |
| 1216 | if (m_enable_latch[0]) shiftreg_clear(m_videoplane[0], NULL); |
| 1217 | if (m_enable_latch[1]) shiftreg_clear(m_videoplane[1], NULL); |
| 1221 | 1218 | } |
| 1222 | 1219 | |
| 1223 | 1220 | g_profiler.stop(); |
| 1224 | 1221 | break; |
| 1225 | 1222 | |
| 1226 | 1223 | default: |
| 1227 | | if (BLIT_LOGGING) logerror("Unknown blit command %d\n", state->VIDEO_COMMAND); |
| 1224 | if (BLIT_LOGGING) logerror("Unknown blit command %d\n", VIDEO_COMMAND); |
| 1228 | 1225 | break; |
| 1229 | 1226 | } |
| 1230 | 1227 | |
| 1231 | 1228 | /* tell the processor we're done */ |
| 1232 | | state->VIDEO_INTSTATE |= VIDEOINT_BLITTER; |
| 1233 | | update_interrupts(machine, 1); |
| 1229 | VIDEO_INTSTATE |= VIDEOINT_BLITTER; |
| 1230 | update_interrupts(1); |
| 1234 | 1231 | } |
| 1235 | 1232 | |
| 1236 | 1233 | |
| r20828 | r20829 | |
| 1252 | 1249 | { |
| 1253 | 1250 | case 0x02/2: /* VIDEO_INTACK */ |
| 1254 | 1251 | VIDEO_INTSTATE = old & ~data; |
| 1255 | | update_interrupts(machine(), 1); |
| 1252 | update_interrupts(1); |
| 1256 | 1253 | break; |
| 1257 | 1254 | |
| 1258 | 1255 | case 0x04/2: /* VIDEO_TRANSFER */ |
| 1259 | 1256 | if (VIDEO_COMMAND == 3 && m_xfer_ycount) |
| 1260 | 1257 | { |
| 1261 | | itech32_state *state = machine().driver_data<itech32_state>(); |
| 1262 | | offs_t addr = compute_safe_address(state, m_xfer_xcur, m_xfer_ycur); |
| 1258 | offs_t addr = compute_safe_address(m_xfer_xcur, m_xfer_ycur); |
| 1263 | 1259 | if (m_enable_latch[0]) |
| 1264 | 1260 | { |
| 1265 | 1261 | VIDEO_TRANSFER = m_videoplane[0][addr]; |
| r20828 | r20829 | |
| 1278 | 1274 | break; |
| 1279 | 1275 | |
| 1280 | 1276 | case 0x08/2: /* VIDEO_COMMAND */ |
| 1281 | | handle_video_command(machine()); |
| 1277 | handle_video_command(); |
| 1282 | 1278 | break; |
| 1283 | 1279 | |
| 1284 | 1280 | case 0x0a/2: /* VIDEO_INTENABLE */ |
| 1285 | | update_interrupts(machine(), 1); |
| 1281 | update_interrupts(1); |
| 1286 | 1282 | break; |
| 1287 | 1283 | |
| 1288 | 1284 | case 0x24/2: /* VIDEO_LEFTCLIP */ |
| r20828 | r20829 | |
| 1415 | 1411 | /* loop over height */ |
| 1416 | 1412 | for (y = cliprect.min_y; y <= cliprect.max_y; y++) |
| 1417 | 1413 | { |
| 1418 | | UINT16 *src1 = &m_videoplane[0][compute_safe_address(this, VIDEO_DISPLAY_XORIGIN1, VIDEO_DISPLAY_YORIGIN1 + y)]; |
| 1414 | UINT16 *src1 = &m_videoplane[0][compute_safe_address(VIDEO_DISPLAY_XORIGIN1, VIDEO_DISPLAY_YORIGIN1 + y)]; |
| 1419 | 1415 | |
| 1420 | 1416 | /* handle multi-plane case */ |
| 1421 | 1417 | if (m_planes > 1) |
| 1422 | 1418 | { |
| 1423 | | UINT16 *src2 = &m_videoplane[1][compute_safe_address(this, VIDEO_DISPLAY_XORIGIN2 + VIDEO_DISPLAY_XSCROLL2, VIDEO_DISPLAY_YORIGIN2 + VIDEO_DISPLAY_YSCROLL2 + y)]; |
| 1419 | UINT16 *src2 = &m_videoplane[1][compute_safe_address(VIDEO_DISPLAY_XORIGIN2 + VIDEO_DISPLAY_XSCROLL2, VIDEO_DISPLAY_YORIGIN2 + VIDEO_DISPLAY_YSCROLL2 + y)]; |
| 1424 | 1420 | UINT16 scanline[384]; |
| 1425 | 1421 | int x; |
| 1426 | 1422 | |