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Masked off the lower 12 bits of CR3. DESQview/X now works.

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This commit is contained in:
TomW 2015-08-08 11:25:16 +01:00
commit 34c0db9c10
1 changed files with 2 additions and 2 deletions
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4
src/mem.c
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@ -717,7 +717,7 @@ uint32_t mmutranslatereal(uint32_t addr, int rw)
if (addr==0x77f61000) output = 3; if (addr==0x77f61000) output = 3;
if (addr==0x77f62000) { dumpregs(); exit(-1); } if (addr==0x77f62000) { dumpregs(); exit(-1); }
if (addr==0x77f9a000) { dumpregs(); exit(-1); }*/ if (addr==0x77f9a000) { dumpregs(); exit(-1); }*/
addr2=(cr3+((addr>>20)&0xFFC)); addr2 = ((cr3 & ~0xfff) + ((addr >> 20) & 0xffc));
temp=temp2=((uint32_t *)ram)[addr2>>2]; temp=temp2=((uint32_t *)ram)[addr2>>2];
// if (output == 3) pclog("Do translate %08X %i %08X\n", addr, rw, temp); // if (output == 3) pclog("Do translate %08X %i %08X\n", addr, rw, temp);
if (!(temp&1))// || (CPL==3 && !(temp&4) && !cpl_override) || (rw && !(temp&2) && (CPL==3 || cr0&WP_FLAG))) if (!(temp&1))// || (CPL==3 && !(temp&4) && !cpl_override) || (rw && !(temp&2) && (CPL==3 || cr0&WP_FLAG)))
@ -779,7 +779,7 @@ uint32_t mmutranslate_noabrt(uint32_t addr, int rw)
if (abrt) if (abrt)
return -1; return -1;
addr2=(cr3+((addr>>20)&0xFFC)); addr2 = ((cr3 & ~0xfff) + ((addr >> 20) & 0xffc));
temp=temp2=((uint32_t *)ram)[addr2>>2]; temp=temp2=((uint32_t *)ram)[addr2>>2];
if (!(temp&1)) if (!(temp&1))