MAME SVN History

199869 Revisions

r30976 Saturday 14th June, 2014 at 19:43:08 UTC by hap
removed MCFG_LR35902_RESET_VALUES

[src/emu/cpu/lr35902]	lr35902.c lr35902.h
[src/mess/drivers]	gb.c

trunk/src/emu/cpu/lr35902/lr35902.h
r30975	r30976
8	8	lr35902_cpu_device::set_timer_cb(*device, DEVCB_##_devcb);
9	9	#define MCFG_LR35902_HALT_BUG \
10	10	lr35902_cpu_device::set_halt_bug(*device);
11		// This should be removed/improved once all gameboy boot roms have been dumped
12		#define MCFG_LR35902_RESET_VALUES(_regs) \
13		lr35902_cpu_device::set_reset_values(*device, _regs);
14	11
15	12	enum
16	13	{
r30975	r30976
32	29	// static configuration helpers
33	30	template<class _Object> static devcb_base &set_timer_cb(device_t &device, _Object object) { return downcast<lr35902_cpu_device &>(device).m_timer_func.set_callback(object); }
34	31	static void set_halt_bug(device_t &device) { downcast<lr35902_cpu_device &>(device).m_features \|= LR35902_FEATURE_HALT_BUG; }
35		static void set_reset_values(device_t &device, const UINT16 *regs) { downcast<lr35902_cpu_device &>(device).c_regs = regs; }
36	32
37	33	UINT8 get_speed();
38	34	void set_speed( UINT8 speed_request );
r30975	r30976
108	104	int m_enable;
109	105	int m_doHALTbug;
110	106	UINT8 m_features;
111		const UINT16 *c_regs;
112		const struct lr35902_config *m_config;
113	107	};
114	108
115	109	extern const device_type LR35902;

trunk/src/emu/cpu/lr35902/lr35902.c
r30975	r30976
79	79	, m_timer_func(*this)
80	80	, m_enable(0)
81	81	, m_features(0)
82		, c_regs(NULL)
83	82	{
84	83	}
85	84
r30975	r30976
194	193	}
195	194	}
196	195
197		/* Reset lr353902 registers: ****************************/
198		/* This function can be used to reset the register */
199		/* file before starting execution with lr35902_execute(cpustate)*/
200		/* It sets the registers to their initial values. */
201		/************************************************************/
202	196	void lr35902_cpu_device::device_reset()
203	197	{
204	198	m_A = 0x00;
r30975	r30976
211	205	m_L = 0x00;
212	206	m_SP = 0x0000;
213	207	m_PC = 0x0000;
214		if ( c_regs ) {
215		m_A = c_regs[0] >> 8;
216		m_F = c_regs[0] & 0xFF;
217		m_B = c_regs[1] >> 8;
218		m_C = c_regs[1] & 0xFF;
219		m_D = c_regs[2] >> 8;
220		m_E = c_regs[2] & 0xFF;
221		m_H = c_regs[3] >> 8;
222		m_L = c_regs[3] & 0xFF;
223		m_SP = c_regs[4];
224		m_PC = c_regs[5];
225		}
226	208
227	209	m_enable = 0;
228	210	m_IE = 0;

trunk/src/mess/drivers/gb.c
r30975	r30976
425	425	#include "bus/gameboy/mbc.h"
426	426
427	427
428		/* Initial value of the cpu registers (hacks until we get bios dumps) */
429		static const UINT16 megaduck_cpu_regs[6] = { 0x0000, 0x0000, 0x0000, 0x0000, 0xFFFE, 0x0000 }; /* Megaduck */
430
431
432	428	READ8_MEMBER(gb_state::gb_cart_r)
433	429	{
434	430	if (m_bios_disable && m_cartslot)
r30975	r30976
827	823	MCFG_CPU_PROGRAM_MAP( megaduck_map)
828	824	MCFG_LR35902_TIMER_CB( WRITE8( gb_state, gb_timer_callback ) )
829	825	MCFG_LR35902_HALT_BUG
830		MCFG_LR35902_RESET_VALUES(megaduck_cpu_regs)
831	826
832	827	/* video hardware */
833	828	MCFG_SCREEN_ADD("screen", LCD)
r30975	r30976
899	894	CONS( 1996, gbpocket, gameboy, 0, gbpocket, gameboy, driver_device, 0, "Nintendo", "Game Boy Pocket", GAME_SUPPORTS_SAVE )
900	895	CONS( 1998, gbcolor, gameboy, 0, gbcolor, gameboy, driver_device, 0, "Nintendo", "Game Boy Color", GAME_IMPERFECT_GRAPHICS \| GAME_SUPPORTS_SAVE )
901	896
902		/* Sound is not 100% yet, it generates some sounds which could be ok. Since we're lacking a real
903		system there's no way to verify. Same goes for the colors of the LCD. We are no using the default
904		Game Boy green colors */
905		CONS( 1993, megaduck, 0, 0, megaduck, gameboy, driver_device, 0, "Creatronic/Videojet/Timlex/Cougar", "MegaDuck/Cougar Boy" , GAME_SUPPORTS_SAVE )
	897	// Sound is not 100% yet, it generates some sounds which could be ok. Since we're lacking a real system there's no way to verify.
	898	CONS( 1993, megaduck, 0, 0, megaduck, gameboy, driver_device, 0, "Welback Holdings (Timlex International) / Creatronic / Videojet / Cougar USA", "Mega Duck / Cougar Boy", GAME_IMPERFECT_SOUND \| GAME_SUPPORTS_SAVE )

199869 Revisions