static UINT32 opDECH(v60_state *cpustate) /* TRUSTED */
{
UINT16 apph;
cpustate->modadd = cpustate->PC + 1;
cpustate->moddim = 1;
cpustate->amlength1 = ReadAMAddress(cpustate);
if (cpustate->amflag)
apph = (UINT16)cpustate->reg[cpustate->amout];
else
apph = cpustate->program->read_word_unaligned(cpustate->amout);
SUBW(apph, 1);
if (cpustate->amflag)
SETREG16(cpustate->reg[cpustate->amout], apph);
else
cpustate->program->write_word_unaligned(cpustate->amout, apph);
return cpustate->amlength1 + 1;
}
UINT32 opDECH(void) /* TRUSTED */
{
UINT16 apph;
modAdd=PC+1;
modDim=1;
amLength1=ReadAMAddress();
if (amFlag)
apph=(UINT16)v60.reg[amOut];
else
apph=MemRead16(amOut);
SUBW(apph, 1);
if (amFlag)
SETREG16(v60.reg[amOut], apph);
else
MemWrite16(amOut, apph);
return amLength1+1;
}
