5.0 V CMOS Z80s leave flags bits 3 and 5 as copies of result, but TI's Z80 in the ASIC has them always zero. Is this a quirk of the 3.3 V CMOS Z80? Is TI using a Z80 clone?
The 5.0 V ASIC TI-83+es have them as copies, the TI-83+SE ASIC has them as zeros.
5.0 V CMOS Z80s leave flags bits 3 and 5 as copies of result, but TI's Z80 in the ASIC has them always zero. Is this a quirk of the 3.3 V CMOS Z80? Is TI using a Z80 clone?
The 5.0 V ASIC TI-83+es have them as copies, the TI-83+SE ASIC has them as zeros.