Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Loading a segment register in real mode no longer clears USE32.

Browse source 
CR3 no longer masks values written to it.
Real mode interrupts now take IDT base into account.
Fixes 'huge unreal' mode (flat assembler).
This commit is contained in:
TomW 2014-03-29 14:28:13 +00:00
commit e737d2fa45
4 changed files with 8 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/386.c
View file

@ -339,7 +339,7 @@ void x86_int(int num)
writememw(ss,((SP-6)&0xFFFF),pc);
SP-=6;
}
addr=num<<2;
addr = (num << 2) + idt.base;
flags&=~I_FLAG;
flags&=~T_FLAG;
@ -376,7 +376,7 @@ void x86_int_sw(int num)
writememw(ss,((SP-6)&0xFFFF),pc);
SP-=6;
}
addr=num<<2;
addr = (num << 2) + idt.base;
flags&=~I_FLAG;
flags&=~T_FLAG;
@ -1343,7 +1343,7 @@ opcodestart:
writememw(ss,(SP-4)&0xFFFF,CS);
writememw(ss,(SP-6)&0xFFFF,pc);
SP-=6;
addr=1<<2;
addr = (1 << 2) + idt.base;
flags&=~I_FLAG;
flags&=~T_FLAG;
pc=readmemw(0,addr);
@ -1378,7 +1378,7 @@ opcodestart:
writememw(ss,(SP-4)&0xFFFF,CS);
writememw(ss,(SP-6)&0xFFFF,pc);
SP-=6;
addr=temp<<2;
addr = (temp << 2) + idt.base;
flags&=~I_FLAG;
flags&=~T_FLAG;
oxpc=pc;