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Either bad dump or there's something really weird going on with this. If any x86 guru wants to take a look be my guest.

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This commit is contained in:
Angelo Salese 2014-09-22 22:16:53 +00:00
parent eea7952f4a
commit 6ab46b2452
1 changed files with 40 additions and 5 deletions
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45
src/mess/drivers/pc9801.c
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@ -38,6 +38,9 @@
- Dies on ARTIC check;
- Presumably one ROM is undumped?
TODO: (PC-9821AP)
- No way to exit the initial loop. Code looks broken/bad dump?
floppy issues TODO (certain fail)
- Unsupported disk types: *.nfd, *.fdd, *.nhd
- 46 Okunen Monogatari - The Shinkaron
@ -549,7 +552,8 @@ public:
UINT8 m_joy_sel;
UINT8 m_ext2_ff;
UINT8 m_sys_type;
UINT8 m_is_nec_bank;
DECLARE_WRITE_LINE_MEMBER( keyboard_irq );
DECLARE_WRITE_LINE_MEMBER( write_uart_clock );
DECLARE_READ8_MEMBER(pc9801_xx_r);
@ -701,7 +705,8 @@ public:
DECLARE_MACHINE_START(pc9801rs);
DECLARE_MACHINE_START(pc9801bx2);
DECLARE_MACHINE_START(pc9821);
DECLARE_MACHINE_START(pc9821ap2);
DECLARE_MACHINE_RESET(pc9801_common);
DECLARE_MACHINE_RESET(pc9801f);
DECLARE_MACHINE_RESET(pc9801rs);
@ -1901,6 +1906,14 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_bank_w)
{
if(offset == 1)
{
#if 0
if(m_is_nec_bank)
{
m_rom_bank = 1;
return;
}
#endif
if((data & 0xf0) == 0x00 || (data & 0xf0) == 0x10)
{
if((data & 0xed) == 0x00)
@ -3376,11 +3389,19 @@ MACHINE_START_MEMBER(pc9801_state,pc9821)
m_ide_ram = auto_alloc_array(machine(), UINT8, 0x2000);
m_ext_gvram = auto_alloc_array(machine(), UINT8, 0xa0000);
m_is_nec_bank = 0;
save_pointer(NAME(m_sdip), 24);
save_pointer(NAME(m_ide_ram), 0x2000);
save_pointer(NAME(m_ext_gvram), 0xa0000);
}
MACHINE_START_MEMBER(pc9801_state,pc9821ap2)
{
MACHINE_START_CALL_MEMBER(pc9821);
m_is_nec_bank = 1;
}
MACHINE_RESET_MEMBER(pc9801_state,pc9801_common)
{
memset(m_tvram, 0, sizeof(UINT8) * 0x4000);
@ -3874,6 +3895,16 @@ static MACHINE_CONFIG_START( pc9821, pc9801_state )
MCFG_SOUND_ROUTE(ALL_OUTPUTS,"mono",0.15)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( pc9821ap2, pc9821)
MCFG_CPU_REPLACE("maincpu", I486, 66666667) // unknown clock
MCFG_CPU_PROGRAM_MAP(pc9821_map)
MCFG_CPU_IO_MAP(pc9821_io)
MCFG_CPU_VBLANK_INT_DRIVER("screen", pc9801_state, pc9801_vrtc_irq)
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("pic8259_master", pic8259_device, inta_cb)
MCFG_MACHINE_START_OVERRIDE(pc9801_state,pc9821ap2)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( pc9821v20, pc9821 )
MCFG_CPU_REPLACE("maincpu",PENTIUM,32000000) /* TODO: clock */
MCFG_CPU_PROGRAM_MAP(pc9821_map)
@ -4115,8 +4146,12 @@ Graphics controller S3 86C928
*/
ROM_START( pc9821ap2 )
ROM_REGION( 0x90000, "ipl", ROMREGION_ERASEFF )
ROM_LOAD( "phd0102.rom", 0x08000, 0x80000, CRC(3036774c) SHA1(59856a348f156adf5eca06326f967aca54ff871c) )
ROM_REGION( 0x80000, "biosrom", ROMREGION_ERASEFF )
ROM_LOAD( "phd0102.rom", 0x000000, 0x80000, CRC(3036774c) SHA1(59856a348f156adf5eca06326f967aca54ff871c) )
ROM_REGION( 0x60000, "ipl", ROMREGION_ERASEFF ) // TODO: identify ROM banks
ROM_COPY( "biosrom", 0x60000, 0x00000, 0x20000 )
ROM_COPY( "biosrom", 0x20000, 0x20000, 0x20000 )
ROM_REGION( 0x10000, "sound_bios", 0 )
ROM_LOAD( "sound.rom", 0x0000, 0x4000, CRC(a21ef796) SHA1(34137c287c39c44300b04ee97c1e6459bb826b60) )
@ -4316,7 +4351,7 @@ COMP( 1988, pc9801rx, pc9801rs,0, pc9801ux, pc9801rs, pc9801_state, pc9801_
COMP( 1993, pc9801bx2, pc9801rs,0, pc9801bx2,pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801BX2/U2", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1994, pc9821, 0, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) //TODO: not sure about the exact model
COMP( 1993, pc9821as, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE A)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1993, pc9821ap2, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821AP2/U8W (98MATE A)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1993, pc9821ap2, pc9821, 0, pc9821ap2,pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821AP2/U8W (98MATE A)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1994, pc9821xs, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE Xs)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1994, pc9821ce2, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MULTi Ce2)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1994, pc9821ne, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98NOTE)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)