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Added support for Tandy 1000 HX and SL/2. As part of this commit :

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- FDC now selects drive number from DOR (0x3f2)
- FDC now fails seeks on drives > 1
- XT systems no longer have BIOS mapping at E0000-EFFFF
- SN76489 now distinguishes between SN76496 (PCjr and early Tandy 1000), NCR8496 (later Tandy 1000 - different noise handling) and PSSJ
- Removed redundant limits on memory configuration - allows selection of 768k for Tandy 1000 SL/2
This commit is contained in:
TomW 2015-12-03 21:48:10 +00:00
commit 2ca86ba028
24 changed files with 1420 additions and 64 deletions
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11
src/cpu.c
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@ -109,11 +109,12 @@ static struct
CPU cpus_8088[] =
{
/*8088 standard*/
{"8088/4.77", CPU_8088, 0, 4772728, 1, 0, 0, 0, 0, 0},
{"8088/8", CPU_8088, 1, 8000000, 1, 0, 0, 0, 0, 0},
{"8088/10", CPU_8088, 2, 10000000, 1, 0, 0, 0, 0, 0},
{"8088/12", CPU_8088, 3, 12000000, 1, 0, 0, 0, 0, 0},
{"8088/16", CPU_8088, 4, 16000000, 1, 0, 0, 0, 0, 0},
{"8088/4.77", CPU_8088, 0, 4772728, 1, 0, 0, 0, 0, 0},
{"8088/7.16", CPU_8088, 1, 14318184/2, 1, 0, 0, 0, 0, 0},
{"8088/8", CPU_8088, 1, 8000000, 1, 0, 0, 0, 0, 0},
{"8088/10", CPU_8088, 2, 10000000, 1, 0, 0, 0, 0, 0},
{"8088/12", CPU_8088, 3, 12000000, 1, 0, 0, 0, 0, 0},
{"8088/16", CPU_8088, 4, 16000000, 1, 0, 0, 0, 0, 0},
{"", -1, 0, 0, 0, 0}
};