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Added AMI 386DX and MR 386DX models (both based on OPTi 495 chipset). AMI 386DX supports external cache, useful for with prefetch emulation.

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Also commit a few fixes required :
- Set EDX correctly on soft reset
- LOCK NOP is now treated as an illegal instruction
- Tweaks to FDC sense interrupt handling following FDC reset
This commit is contained in:
SarahW 2016-11-27 21:53:13 +00:00
commit a4f3b2013e
14 changed files with 96 additions and 22 deletions
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8
src/ibm.h
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@ -344,7 +344,7 @@ int driveempty[2];
#define MDA ((gfxcard==GFX_MDA || gfxcard==GFX_HERCULES || gfxcard==GFX_INCOLOR) && (romset<ROM_TANDY || romset>=ROM_IBMAT))
#define VGA ((gfxcard>=GFX_TVGA || romset==ROM_ACER386) && gfxcard!=GFX_COLORPLUS && gfxcard!=GFX_INCOLOR && romset!=ROM_PC1640 && romset!=ROM_PC1512 && romset!=ROM_TANDY && romset!=ROM_PC200)
#define PCJR (romset == ROM_IBMPCJR)
#define AMIBIOS (romset==ROM_AMI386 || romset==ROM_AMI486 || romset == ROM_WIN486)
#define AMIBIOS (romset==ROM_AMI386SX || romset==ROM_AMI486 || romset == ROM_WIN486)
int GAMEBLASTER, GUS, SSI2001, voodoo_enabled;
extern int AMSTRAD, AT, is386, PCI, TANDY;
@ -382,7 +382,7 @@ enum
ROM_IBMAT386,
ROM_ACER386,
ROM_MEGAPC,
ROM_AMI386,
ROM_AMI386SX,
ROM_AMI486,
ROM_WIN486,
ROM_PCI486,
@ -393,7 +393,9 @@ enum
ROM_IBMPS1_2011,
ROM_DESKPRO_386,
ROM_IBMPS1_2121,
ROM_AMI386DX_OPTI495,
ROM_MR386DX_OPTI495,
ROM_MAX
};