Difference between revisions of "FF7/Field/Script/Opcodes/9B HBYTE"
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==== 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" | 0x9B |
! width="40" | ''D / S'' | ! width="40" | ''D / S'' | ||
! width="40" | ''DA'' | ! width="40" | ''DA'' | ||
| − | ! width=" | + | ! width="80" | ''SA'' |
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* '''const Bit[4]''' ''S'': Source bank. | * '''const Bit[4]''' ''S'': Source bank. | ||
* '''const UByte''' ''DA'': Destination address. | * '''const UByte''' ''DA'': Destination address. | ||
| − | * '''const | + | * '''const UShort''' ''SA'': Source address, ''or'' the word given as a literal, if source bank is zero. |
| − | |||
==== Description ==== | ==== Description ==== | ||
| − | Retrieves the high byte of a two-byte word from the source bank and address, and places the byte value into the destination bank and address. If the source bank is zero, then the final two arguments are actually | + | Retrieves the high byte of a two-byte word from the source bank and address, and places the byte value into the destination bank and address. If the source bank is zero, then the final two arguments are actually a given two-byte word value, and the high byte value is retrieved from this word instead of from a memory address. |
Latest revision as of 05:18, 23 May 2019
- Opcode: 0x9B
- Short name: HBYTE
- Long name: High Byte
Memory layout
| 0x9B | D / S | DA | SA |
|---|
Arguments
- const Bit[4] D: Destination bank.
- const Bit[4] S: Source bank.
- const UByte DA: Destination address.
- const UShort SA: Source address, or the word given as a literal, if source bank is zero.
Description
Retrieves the high byte of a two-byte word from the source bank and address, and places the byte value into the destination bank and address. If the source bank is zero, then the final two arguments are actually a given two-byte word value, and the high byte value is retrieved from this word instead of from a memory address.
