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Don't add keyboard waitstates on AT or XT Model 286. Fixes POST of these

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machines at 6 MHz.
This commit is contained in:
SarahW 2020-03-15 14:54:54 +00:00
commit 4ee83be7b5
1 changed files with 3 additions and 2 deletions
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3
src/keyboard_at.c
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@ -676,7 +676,8 @@ uint8_t keyboard_at_read(uint16_t port, void *priv)
{ {
uint8_t temp = 0xff; uint8_t temp = 0xff;
cycles -= ISA_CYCLES(8); if (romset != ROM_IBMAT && romset != ROM_IBMXT286)
cycles -= ISA_CYCLES(8);
// if (port != 0x61) pclog("keyboard_at : read %04X ", port); // if (port != 0x61) pclog("keyboard_at : read %04X ", port);
if (romset == ROM_XI8088 && port == 0x63) if (romset == ROM_XI8088 && port == 0x63)
port = 0x61; port = 0x61;