SUB (8 bit, register to register)
January 6, 2021 ยท View on GitHub
Opcode
| 76543 | 210 | Notes |
|---|---|---|
| 01010 | r | Not valid when r = 1 |
Operation
T <- T - Reg8[r]
PC <- PC + 1
Assembler syntax examples
SUB T,F
SUB C
SUB (16 bit, register to register)
Opcode
| 765432 | 10 | Notes |
|---|---|---|
| 111100 | r | Not valid when r = 0 |
Operation
FT <- FT - Reg16[r]
PC <- PC + 1
Assembler syntax examples
SUB FT,BC
SUB HL