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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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14
src/mem.c
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@ -336,7 +336,7 @@ int loadbios()
fread(rom,65536,1,f);
fclose(f);
return 1;*/
case ROM_AMI386: /*This uses the OPTi 82C495 chipset*/
case ROM_AMI386SX:
// f=romfopen("roms/at386/at386.bin","rb");
f=romfopen("roms/ami386/ami386.bin","rb");
if (!f) break;
@ -344,6 +344,18 @@ int loadbios()
fclose(f);
return 1;
case ROM_AMI386DX_OPTI495: /*This uses the OPTi 82C495 chipset*/
f=romfopen("roms/ami386dx/OPT495SX.AMI","rb");
if (!f) break;
fread(rom,65536,1,f);
fclose(f);
return 1;
case ROM_MR386DX_OPTI495: /*This uses the OPTi 82C495 chipset*/
f=romfopen("roms/mr386dx/OPT495SX.MR","rb");
if (!f) break;
fread(rom,65536,1,f);
fclose(f);
return 1;
case ROM_ACER386:
f=romfopen("roms/acer386/acer386.bin","rb");