RETIW lit |
|
| Description: | Return from interrupt, compensate RTCC |
| Operation: | PC, W, FSR and status = shadow register; RTCC += lit |
| Flags affected: | none |
| Registers affected: | RTCC PC |
| Sources referenced: | lit |
| Cycles: | 1 |
| Opcode: | |
| Details: | SX Users Manual page # 115 |
| Microchip PIC syntax: | |
| Notes: | |
RETIW - Same as RETI but adds the contents of W to RTCC without affecting the prescaler. This provides a periodic interrupt that can be adjusted by 256 steps (minus the time it takes to execute the interrupt routine)
by Loren Blaney via Richard Ottosen
The RETIW instruction ADDS W to RTCC, not subtracts it as stated in Table 16-1 in SX Datasheet page 33
See also:
See:
| file: /Techref/scenix/inst/retiw.htm, 2KB, , updated: 2018/11/6 11:52, local time: 2024/12/22 06:26,
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