INI |
Input with increment. | |||||||||
| Function: | (HL)
(C); B
B - 1; HL
HL + 1 |
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| Format: |
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byte 1: ED |
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byte 2: A2 |
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| Description: | The peripheral device addressed by the C register is read and the result is loaded into the memory location addressed by the HL register pair. The B register is decremented and the HL register pair is incremented.
The contents of C are placed on the low half of the address bus. The contents of B are placed on the high half. I/O selection is generally made by C, i.e., by A0 to A7. B is a byte counter. |
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| Data Flow: | ||||||||||
| Timing: | 4 M cycles; 16 T states: 8 usec @ 2 MHz |
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| Addressing Mode: | external |
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| Flags: |  |
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| Example: | INI |
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OBJECT CODE |
Before: |
After: |
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