Table of Contents Previous topic Next topic
MICROPROCESSOR INSTRUCTION REFERENCE->SBC Am
SBC A,m Subtract with borrow accumulator and specific m
A <- A - m - CY
Flags
| S | Set if result -ve, else cleared |
| Z | Set if result zero, else cleared |
| H | Set if half borrow |
| P/V | Set if overflow, else cleared |
| N | Set always |
| C | Set if borrow |
| S: | No of | M | T | usec @ |
| bytes | cycles | states | 2 MHz |
| R | 1 | 1 | 4 | 2 |
| N | 2 | 2 | 7 | 3.5 |
| (HL) | 1 | 2 | 7 | 3.5 |
| (IX+d) | 3 | 5 | 19 | 9.5 |
| (IY+d) | 3 | 5 | 19 | 9.5 |