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Correct address mask on 286/386SX systems. Patch from Greatpsycho.

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This commit is contained in:
SarahW 2018-01-08 20:52:45 +00:00
commit 6798ebf0a6
1 changed files with 2 additions and 2 deletions
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4
src/mem.c
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@ -2272,12 +2272,12 @@ void mem_a20_recalc()
// pclog("A20 recalc %i %i\n", state, mem_a20_state); // pclog("A20 recalc %i %i\n", state, mem_a20_state);
if (state && !mem_a20_state) if (state && !mem_a20_state)
{ {
rammask = 0xffffffff; rammask = (AT && cpu_16bitbus) ? 0xffffff : 0xffffffff;
flushmmucache(); flushmmucache();
} }
else if (!state && mem_a20_state) else if (!state && mem_a20_state)
{ {
rammask = 0xffefffff; rammask = (AT && cpu_16bitbus) ? 0xefffff : 0xffefffff;
flushmmucache(); flushmmucache();
} }
// pclog("rammask now %08X\n", rammask); // pclog("rammask now %08X\n", rammask);