Half-Carry Flag

The Half-carry flag (H) exists on the SPC700, as bit 3 of the Program Status Word. It applies to the bottom 4 bits of the accumulator, meaning it is set whenever bit 3 of an ALU operation carries over into bit 4.

It is cleared by CLRV, but there is no SETV command to set it.

See Also

• Decimal Mode
• DAA
• DAS

References

• https://problemkaputt.de/fullsnes.htm#snesapuspc700cpuoverview