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Program Status Word
From SnesLab
The Program Status Word is an 8-bit register on the SPC700 that stores the value of status flags. They are typically listed in this order: NVPBHIZC. More verbosely:
| Flag Name | Bit Position |
|---|---|
| Negative Flag | bit 7 |
| overflow Flag | bit 6 |
| direct page flag | bit 5 |
| Break Flag | bit 4 |
| Half-carry flag | bit 3 |
| Interrupt Enable Flag | bit 2 |
| Zero Flag | bit 1 |
| Carry flag | bit 0 |