claunia/86Box
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4 Commits

Author SHA1 Message Date
nerd73
546f0a83e7 Implement C0000-DFFFF shadowing on the OPTi 5x7 chipset 2020-06-29 22:06:27 -06:00
nerd73
09ffa05f89 Improvements to the OPTi 597 machine. 
- Add emulation of the FDC37C661 Super I/O
- Fix Pentium VLB timing (was running VLB at 2x bus speed instead of 1/2 bus speed)
- Fix the cache register on the OPTi 5x7 chipset
- The actual minimum RAM amount is 2 MB, not 1 MB.
- Fix chipset naming consistency
 2020-06-23 15:04:10 -06:00
nerd73
51572530ff Remove waitstates from register 02. 2020-06-05 10:28:03 -06:00
nerd73
3f0adb5211 Add the AMI Excalibur, a VLB OPTi 596/597 machine. 
Also adds emulation of the OPTi 5x7 chipset, and introduces a clock divider for VLB on 64-bit bus systems.
 2020-06-05 10:22:59 -06:00