DEC IY
IY - 1| 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 |
OBJECT CODE
DEC IY |
Decrement IY. | |||||||||
| Function: | IY
IY - 1 |
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| Format: |
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byte 1: FD |
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byte 2: 2B |
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| Description: | The contents of the IY register are decremented and the result is stored back in IY. |
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| Data Flow: | ||||||||||
| Timing: | ||||||||||
| Addressing Mode: | ||||||||||
| Flags: | |
(no effect) |
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| Example: | ||||||||||
OBJECT CODE |
Before: |
After: |
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