MESS SVN History

15994 Revisions

r14321 Thursday 2nd February, 2012 at 15:10:42 UTC by Miodrag Milanović
Fixed ISA mapping on at586 and unified with ct486. This fixes vga on at586 too (no whatsnew)

[src/mess/drivers]	at.c
[src/mess/machine]	cs4031.c isa.c

src/mess/machine/cs4031.c
r14320	r14321
181	181	logerror("ISA read from %x to %x\n", start, end);
182	182
183	183	m_space->install_read_bank(start, end, region);
184		memory_set_bankptr(m_space->machine(), region, m_isa + start);
	184	memory_set_bankptr(m_space->machine(), region, m_isa + start - 0xc0000);
185	185	}
186	186	else if (BIT(m_registers[SHADOW_READ], index))
187	187	{
r14320	r14321
216	216	logerror("ISA write from %x to %x\n", start, end);
217	217
218	218	m_space->install_write_bank(start, end, region);
219		memory_set_bankptr(m_space->machine(), region, m_isa + start);
	219	memory_set_bankptr(m_space->machine(), region, m_isa + start - 0xc0000);
220	220	}
221	221	else if (BIT(m_registers[SHADOW_WRITE], index))
222	222	{

src/mess/machine/isa.c
r14320	r14321
317	317	UINT8 *src = machine().region(dev->subtag(tempstring, region))->base();
318	318	UINT8 *dest = machine().region("maincpu")->base() + start;
319	319	if (machine().region("isa")) {
320		dest = machine().region("isa")->base() + start;
	320	dest = machine().region("isa")->base() + start - 0xc0000;
321	321	}
322	322	memcpy(dest,src, end - start + 1);
323	323	/address_space space = m_maincpu->memory().space(AS_PROGRAM);

src/mess/drivers/at.c
r14320	r14321
54	54	AM_RANGE(0x00000000, 0x0009ffff) AM_RAMBANK("bank10")
55	55	AM_RANGE(0x000a0000, 0x000bffff) AM_NOP
56	56	AM_RANGE(0x00800000, 0x00800bff) AM_RAM AM_SHARE("nvram")
57		AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("us~~er1~~", 0x20000)
	57	AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("isa", 0x20000)
58	58	ADDRESS_MAP_END
59	59
60	60
r14320	r14321
603	603	MCFG_CPU_IO_MAP(at586_io)
604	604
605	605	MCFG_I82371AB_ADD("i82371ab")
606		MCFG_I82439TX_ADD("i82439tx", "maincpu", "us~~er1~~")
	606	MCFG_I82439TX_ADD("i82439tx", "maincpu", "isa")
607	607
608	608	MCFG_PCI_BUS_ADD("pcibus", 0)
609	609	MCFG_PCI_BUS_DEVICE(0, "i82439tx", i82439tx_pci_read, i82439tx_pci_write)
r14320	r14321
1129	1129
1130	1130	// Unknown 486 board with Chips & Technologies CS4031 chipset
1131	1131	ROM_START( ct486 )
1132		ROM_REGION(0x100000, "isa", ROMREGION_ERASEFF)
	1132	ROM_REGION(0x40000, "isa", ROMREGION_ERASEFF)
1133	1133	ROM_REGION(0x100000, "bios", 0)
1134	1134	ROM_LOAD("chips_1.ami", 0xf0000, 0x10000, CRC(a14a7511) SHA1(b88d09be66905ed2deddc26a6f8522e7d2d6f9a8))
1135	1135	ROM_END
r14320	r14321
1151	1151
1152	1152
1153	1153	ROM_START( at586 )
1154		ROM_REGION(0x100000, "maincpu", ROMREGION_ERASEFF)
1155		ROM_REGION32_LE(0x40000, "user1", 0)
	1154	ROM_REGION32_LE(0x40000, "isa", 0)
1156	1155	ROM_SYSTEM_BIOS(0, "sptx", "SP-586TX")
1157	1156	ROMX_LOAD("sp586tx.bin", 0x20000, 0x20000, CRC(1003d72c) SHA1(ec9224ff9b0fdfd6e462cb7bbf419875414739d6), ROM_BIOS(1))
1158	1157	ROM_SYSTEM_BIOS(1, "unisys", "Unisys 586") // probably bad dump due to need of hack in i82439tx to work
r14320	r14321
1287	1286
1288	1287	/* FIC VT-503 (Intel TX chipset, ITE 8679 Super I/O) */
1289	1288	ROM_START( ficvt503 )
1290		ROM_REGION32_LE(0x40000, "us~~er1~~", 0)
	1289	ROM_REGION32_LE(0x40000, "isa", 0)
1291	1290	ROM_SYSTEM_BIOS(0, "109gi13", "1.09GI13") /* 1997-10-02 */
1292	1291	ROMX_LOAD("109gi13.bin", 0x20000, 0x20000, CRC(0c32af48) SHA1(2cce40a98598f1ed1f398975f7a90c8be4200667), ROM_BIOS(1))
1293	1292	ROM_SYSTEM_BIOS(1, "109gi14", "1.09GI14") /* 1997-11-07 */

15994 Revisions