MAME SVN History

199869 Revisions

r18013 Wednesday 19th September, 2012 at 10:51:16 UTC by Robbbert
(MESS) p8000, p8000_16, bigbord2: fix regression in keyboard due to 'address_space' problem.

[src/mess/drivers]

bigbord2.c p8k.c

trunk/src/mess/drivers/bigbord2.c
r18012	r18013
175	175
176	176	WRITE8_MEMBER( bigbord2_state::bigbord2_kbd_put )
177	177	{
	178	address_space &mem = *m_maincpu->space(AS_PROGRAM);
	179
178	180	if (data)
179	181	{
180	182	m_term_data = data;
181	183	m_term_status = 8;
182	184	m_ctca->trg0(0);
183	185	m_ctca->trg0(1);
184		if (~~spac~~e.read_byte(0xf13d) == 0x4d)
	186	if (mem.read_byte(0xf13d) == 0x4d)
185	187	{
186	188	// simulate interrupt by saving current pc on
187	189	// the stack and jumping to interrupt handler.
188	190	UINT16 spreg = m_maincpu->state_int(Z80_SP);
189	191	UINT16 pcreg = m_maincpu->state_int(Z80_PC);
190	192	spreg--;
191		~~spac~~e.write_byte(spreg, pcreg >> 8);
	193	mem.write_byte(spreg, pcreg >> 8);
192	194	spreg--;
193		~~spac~~e.write_byte(spreg, pcreg);
	195	mem.write_byte(spreg, pcreg);
194	196	m_maincpu->set_state_int(Z80_SP, spreg);
195	197	m_maincpu->set_state_int(Z80_PC, 0xF120);
196	198	}

trunk/src/mess/drivers/p8k.c
r18012	r18013
175	175
176	176	WRITE8_MEMBER( p8k_state::kbd_put )
177	177	{
	178	address_space &mem = *m_maincpu->space(AS_PROGRAM);
178	179	m_term_data = data;
179	180	// This is a dreadful hack..
180	181	// simulate interrupt by saving current pc on
r18012	r18013
182	183	UINT16 spreg = m_maincpu->state_int(Z80_SP);
183	184	UINT16 pcreg = m_maincpu->state_int(Z80_PC);
184	185	spreg--;
185		~~spac~~e.write_byte(spreg, pcreg >> 8);
	186	mem.write_byte(spreg, pcreg >> 8);
186	187	spreg--;
187		~~spac~~e.write_byte(spreg, pcreg);
	188	mem.write_byte(spreg, pcreg);
188	189	m_maincpu->set_state_int(Z80_SP, spreg);
189	190	m_maincpu->set_state_int(Z80_PC, 0x078A);
190	191	}
r18012	r18013
438	439
439	440	WRITE8_MEMBER( p8k_state::kbd_put_16 )
440	441	{
	442	address_space &mem = *m_maincpu->space(AS_PROGRAM);
441	443	// keyboard int handler is at 0x0700
442	444	m_term_data = data;
443	445	// This is another dire hack..
444		UINT8 offs = ~~spac~~e.read_byte(0x43a5);
	446	UINT8 offs = mem.read_byte(0x43a5);
445	447	UINT16 addr = 0x41b0 + (UINT16) offs;
446		space.write_byte(addr, data);
447		space.write_byte(0x43a0, 1);
	448	mem.write_byte(addr, data);
	449	mem.write_byte(0x43a0, 1);
448	450	}
449	451
450	452	static GENERIC_TERMINAL_INTERFACE( terminal_intf_16 )

199869 Revisions