I286_F6 _dec_ea8(UINT op) {
UINT32 madr;
UINT8 *out;
REG8 res;
if (op >= 0xc0) {
I286_WORKCLOCK(2);
out = REG8_B20(op);
}
else {
I286_WORKCLOCK(7);
madr = CALC_EA(op);
if (madr >= I286_MEMWRITEMAX) {
res = i286_memoryread(madr);
DECBYTE(res)
i286_memorywrite(madr, res);
return;
}
out = mem + madr;
}
res = *out;
DECBYTE(res)
*out = (UINT8)res;
}
void ea_assert(UINT32 x) {
TCHAR buf[32];
wsprintf(buf, _T("addr = %x [%.2x]"), x, i286_memoryread(x - 2));
MessageBox(NULL, buf, _T("!"), MB_OK);
exit(1);
}
I286_SFT _ror_e8_1(UINT32 madr) {
UINT src;
UINT dst;
src = i286_memoryread(madr);
BYTE_ROR1(dst, src)
i286_memorywrite(madr, (REG8)dst);
}
I286_SFT _sar_e8_cl(UINT32 madr, REG8 cl) {
UINT src;
UINT dst;
src = i286_memoryread(madr);
BYTE_SARCL(dst, src, cl)
i286_memorywrite(madr, (REG8)dst);
}
