Difference between revisions of "FF7/Field/Script/Opcodes/97 DEC"
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ffrtt>BukTop m (3 revisions imported) |
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* Opcode: ''' | * Opcode: '''0x97''' | ||
* Short name: '''DEC''' | * Short name: '''DEC''' | ||
* Long name: Decrement (8-bit) | * Long name: Decrement (8-bit) | ||
| Line 5: | Line 5: | ||
==== Memory layout ==== | ==== Memory layout ==== | ||
{| border="1" cellspacing="1" cellpadding="3" style="border: 1px solid black; border-collapse: collapse;" | {| border="1" cellspacing="1" cellpadding="3" style="border: 1px solid black; border-collapse: collapse;" | ||
! width="40" | | ! width="40" | 0x97 | ||
! width="40" | ''B'' | ! width="40" | ''B'' | ||
! width="40" | ''A'' | ! width="40" | ''A'' | ||
Latest revision as of 04:18, 23 May 2019
- Opcode: 0x97
- Short name: DEC
- Long name: Decrement (8-bit)
Memory layout
| 0x97 | B | A |
|---|
Arguments
- const UByte B: Destination bank.
- const UByte A: Address.
Description
Decrements the 8-bit value found at bank B, address A. If the value is 0x00, it will roll over to 0xFF. If you specify a 16-bit bank, only the lower byte will be decremented, and if the lower byte is 0x00, the higher byte will be unaffected whilst the lower byte will return to 0xFF.