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Fix 16/32 bit IO reads and writes

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1575
This commit is contained in:
Sjoerd van der Berg 2004-01-12 10:16:26 +00:00
parent 9761c00908
commit ec08bdb468
1 changed files with 6 additions and 10 deletions
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16
src/cpu/core_full/op.h
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@ -348,26 +348,22 @@ switch (inst.code.op) {
CPU_SW_Interrupt(inst.op1.b,IPPoint-inst.start);
goto restart_core;
case O_INb:
reg_al=IO_Read(inst.op1.d);
reg_al=IO_ReadB(inst.op1.d);
goto nextopcode;
case O_INw:
reg_ax=IO_Read(inst.op1.d) | (IO_Read(inst.op1.d+1) << 8);
reg_ax=IO_ReadW(inst.op1.d);
goto nextopcode;
case O_INd:
reg_eax=IO_Read(inst.op1.d) | (IO_Read(inst.op1.d+1) << 8) | (IO_Read(inst.op1.d+2) << 16) | (IO_Read(inst.op1.d+3) << 24);
reg_eax=IO_ReadD(inst.op1.d);
goto nextopcode;
case O_OUTb:
IO_Write(inst.op1.d,reg_al);
IO_WriteB(inst.op1.d,reg_al);
goto nextopcode;
case O_OUTw:
IO_Write(inst.op1.d+0,(Bit8u)reg_ax);
IO_Write(inst.op1.d+1,(Bit8u)(reg_ax >> 8));
IO_WriteW(inst.op1.d,reg_ax);
goto nextopcode;
case O_OUTd:
IO_Write(inst.op1.d+0,(Bit8u)reg_eax);
IO_Write(inst.op1.d+1,(Bit8u)(reg_eax >> 8));
IO_Write(inst.op1.d+2,(Bit8u)(reg_eax >> 16));
IO_Write(inst.op1.d+3,(Bit8u)(reg_eax >> 24));
IO_WriteD(inst.op1.d,reg_eax);
goto nextopcode;
case O_CBACK:
LEAVECORE;