mirror of
https://github.com/thornAvery/kep-hack.git
synced 2025-09-16 18:30:50 +12:00
move event macros to separate file
This commit is contained in:
YamaArashi
parent
fd2b4b6c74
commit
cbcdb2ec2a
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@ -31,3 +31,4 @@ INCLUDE "constants/music_constants.asm"
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INCLUDE "constants/tilesets.asm"
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INCLUDE "constants/starter_mons.asm"
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INCLUDE "constants/event_constants.asm"
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INCLUDE "constants/event_macros.asm"
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425
constants/event_macros.asm
Executable file
425
constants/event_macros.asm
Executable file
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@ -0,0 +1,425 @@
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;\1 = event index
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;\2 = return result in carry instead of zero flag
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CheckEvent: MACRO
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event_byte = ((\1) / 8)
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ld a, [wEventFlags + event_byte]
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IF _NARG > 1
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IF ((\1) % 8) == 7
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add a
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ELSE
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REPT ((\1) % 8) + 1
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rrca
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ENDR
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ENDC
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ELSE
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bit (\1) % 8, a
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ENDC
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ENDM
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;\1 = event index
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CheckEventReuseA: MACRO
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld a, [wEventFlags + event_byte]
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ENDC
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bit (\1) % 8, a
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ENDM
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;\1 = reg
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;\2 = event index
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;\3 = event index this event is relative to (optional, this is needed when there is a fixed flag address)
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EventFlagBit: MACRO
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IF _NARG > 2
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ld \1, ((\3) % 8) + ((\2) - (\3))
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ELSE
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ld \1, (\2) % 8
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ENDC
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ENDM
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;\1 = reg
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;\2 = event index
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EventFlagAddress: MACRO
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event_byte = ((\2) / 8)
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ld \1, wEventFlags + event_byte
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ENDM
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;\1 = event index
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CheckEventHL: MACRO
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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bit (\1) % 8, [hl]
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ENDM
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;\1 = event index
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CheckEventReuseHL: MACRO
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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bit (\1) % 8, [hl]
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ENDM
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; dangerous, only use when HL is guaranteed to be the desired value
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;\1 = event index
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CheckEventForceReuseHL: MACRO
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event_byte = ((\1) / 8)
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bit (\1) % 8, [hl]
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ENDM
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;\1 = event index
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;\2 = event index of the last event used before the branch
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CheckEventAfterBranchReuseHL: MACRO
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event_byte = ((\2) / 8)
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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bit (\1) % 8, [hl]
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ENDM
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;\1 = event index
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CheckAndSetEvent: MACRO
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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bit (\1) % 8, [hl]
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set (\1) % 8, [hl]
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ENDM
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;\1 = event index
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CheckAndResetEvent: MACRO
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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bit (\1) % 8, [hl]
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res (\1) % 8, [hl]
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ENDM
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;\1 = event index
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CheckAndSetEventA: MACRO
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ld a, [wEventFlags + ((\1) / 8)]
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bit (\1) % 8, a
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set (\1) % 8, a
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ld [wEventFlags + ((\1) / 8)], a
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ENDM
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;\1 = event index
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CheckAndResetEventA: MACRO
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ld a, [wEventFlags + ((\1) / 8)]
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bit (\1) % 8, a
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res (\1) % 8, a
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ld [wEventFlags + ((\1) / 8)], a
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ENDM
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;\1 = event index
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SetEvent: MACRO
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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set (\1) % 8, [hl]
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ENDM
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;\1 = event index
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SetEventReuseHL: MACRO
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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set (\1) % 8, [hl]
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ENDM
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;\1 = event index
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;\2 = event index of the last event used before the branch
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SetEventAfterBranchReuseHL: MACRO
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event_byte = ((\2) / 8)
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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set (\1) % 8, [hl]
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ENDM
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; dangerous, only use when HL is guaranteed to be the desired value
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;\1 = event index
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SetEventForceReuseHL: MACRO
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event_byte = ((\1) / 8)
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set (\1) % 8, [hl]
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ENDM
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;\1 = event index
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;\2 = event index
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;\3 = event index (optional)
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SetEvents: MACRO
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SetEvent \1
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SetEventReuseHL \2
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IF _NARG > 2
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SetEventReuseHL \3
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ENDC
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ENDM
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;\1 = event index
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ResetEvent: MACRO
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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res (\1) % 8, [hl]
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ENDM
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;\1 = event index
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ResetEventReuseHL: MACRO
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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res (\1) % 8, [hl]
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ENDM
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;\1 = event index
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;\2 = event index of the last event used before the branch
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ResetEventAfterBranchReuseHL: MACRO
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event_byte = ((\2) / 8)
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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res (\1) % 8, [hl]
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ENDM
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; dangerous, only use when HL is guaranteed to be the desired value
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;\1 = event index
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ResetEventForceReuseHL: MACRO
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event_byte = ((\1) / 8)
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res (\1) % 8, [hl]
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ENDM
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;\1 = event index
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;\2 = event index
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;\3 = event index (optional)
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ResetEvents: MACRO
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ResetEvent \1
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ResetEventReuseHL \2
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IF _NARG > 2
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ResetEventReuseHL \3
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ENDC
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ENDM
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;\1 = event index
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;\2 = number of bytes away from the base address (optional, for matching the ROM)
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dbEventFlagBit: MACRO
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IF _NARG > 1
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db ((\1) % 8) + ((\2) * 8)
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ELSE
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db ((\1) % 8)
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ENDC
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ENDM
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;\1 = event index
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;\2 = number of bytes away from the base address (optional, for matching the ROM)
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dwEventFlagAddress: MACRO
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IF _NARG > 1
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dw wEventFlags + ((\1) / 8) - (\2)
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ELSE
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dw wEventFlags + ((\1) / 8)
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ENDC
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ENDM
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;\1 = start
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;\2 = end
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SetEventRange: MACRO
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event_start_byte = ((\1) / 8)
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event_end_byte = ((\2) / 8)
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IF event_end_byte < event_start_byte
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FAIL "Incorrect argument order in SetEventRange."
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ENDC
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IF event_start_byte == event_end_byte
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ld a, [wEventFlags + event_start_byte]
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or (1 << (((\2) % 8) + 1)) - (1 << ((\1) % 8))
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ld [wEventFlags + event_start_byte], a
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ELSE
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event_fill_start = event_start_byte + 1
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event_fill_count = event_end_byte - event_start_byte - 1
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IF ((\1) % 8) == 0
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event_fill_start = event_fill_start + -1
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event_fill_count = event_fill_count + 1
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ELSE
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ld a, [wEventFlags + event_start_byte]
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or $ff - ((1 << ((\1) % 8)) - 1)
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ld [wEventFlags + event_start_byte], a
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ENDC
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IF ((\2) % 8) == 7
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event_fill_count = event_fill_count + 1
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ENDC
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IF event_fill_count == 1
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ld hl, wEventFlags + event_fill_start
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ld [hl], $ff
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ENDC
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IF event_fill_count > 1
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ld a, $ff
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ld hl, wEventFlags + event_fill_start
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REPT event_fill_count + -1
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ld [hli], a
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ENDR
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ld [hl], a
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ENDC
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IF ((\2) % 8) == 0
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ld hl, wEventFlags + event_end_byte
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set 0, [hl]
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ELSE
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IF ((\2) % 8) != 7
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ld a, [wEventFlags + event_end_byte]
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or (1 << (((\2) % 8) + 1)) - 1
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ld [wEventFlags + event_end_byte], a
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ENDC
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ENDC
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ENDC
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ENDM
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;\1 = start
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;\2 = end
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;\3 = assume a is 0 if present
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ResetEventRange: MACRO
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event_start_byte = ((\1) / 8)
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event_end_byte = ((\2) / 8)
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IF event_end_byte < event_start_byte
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FAIL "Incorrect argument order in ResetEventRange."
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ENDC
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IF event_start_byte == event_end_byte
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ld a, [wEventFlags + event_start_byte]
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and ~((1 << (((\2) % 8) + 1)) - (1 << ((\1) % 8))) & $ff
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ld [wEventFlags + event_start_byte], a
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ELSE
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event_fill_start = event_start_byte + 1
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event_fill_count = event_end_byte - event_start_byte - 1
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IF ((\1) % 8) == 0
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event_fill_start = event_fill_start + -1
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event_fill_count = event_fill_count + 1
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ELSE
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ld a, [wEventFlags + event_start_byte]
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and ~($ff - ((1 << ((\1) % 8)) - 1)) & $ff
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ld [wEventFlags + event_start_byte], a
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ENDC
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IF ((\2) % 8) == 7
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event_fill_count = event_fill_count + 1
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ENDC
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IF event_fill_count == 1
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ld hl, wEventFlags + event_fill_start
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ld [hl], 0
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ENDC
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IF event_fill_count > 1
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ld hl, wEventFlags + event_fill_start
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; force xor a if we just to wrote to it above
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IF (_NARG < 3) || (((\1) % 8) != 0)
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xor a
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ENDC
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REPT event_fill_count + -1
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ld [hli], a
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ENDR
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ld [hl], a
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ENDC
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IF ((\2) % 8) == 0
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ld hl, wEventFlags + event_end_byte
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res 0, [hl]
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ELSE
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IF ((\2) % 8) != 7
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ld a, [wEventFlags + event_end_byte]
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and ~((1 << (((\2) % 8) + 1)) - 1) & $ff
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ld [wEventFlags + event_end_byte], a
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ENDC
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ENDC
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ENDC
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ENDM
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; returns whether both events are set in Z flag
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;\1 = event index 1
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;\2 = event index 2
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CheckBothEventsSet: MACRO
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IF ((\1) / 8) == ((\2) / 8)
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ld a, [wEventFlags + ((\1) / 8)]
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and (1 << ((\1) % 8)) | (1 << ((\2) % 8))
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cp (1 << ((\1) % 8)) | (1 << ((\2) % 8))
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ELSE
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; This case doesn't happen in the original ROM.
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IF ((\1) % 8) == ((\2) % 8)
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push hl
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ld a, [wEventFlags + ((\1) / 8)]
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ld hl, wEventFlags + ((\2) / 8)
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and [hl]
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cpl
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bit ((\1) % 8), a
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pop hl
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ELSE
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push bc
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ld a, [wEventFlags + ((\1) / 8)]
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and (1 << ((\1) % 8))
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ld b, a
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ld a, [wEventFlags + ((\2) / 8)]
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and (1 << ((\2) % 8))
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or b
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cp (1 << ((\1) % 8)) | (1 << ((\2) % 8))
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pop bc
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ENDC
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ENDC
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ENDM
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; returns the complement of whether either event is set in Z flag
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;\1 = event index 1
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;\2 = event index 2
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CheckEitherEventSet: MACRO
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IF ((\1) / 8) == ((\2) / 8)
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ld a, [wEventFlags + ((\1) / 8)]
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and (1 << ((\1) % 8)) | (1 << ((\2) % 8))
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ELSE
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; This case doesn't happen in the original ROM.
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IF ((\1) % 8) == ((\2) % 8)
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push hl
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ld a, [wEventFlags + ((\1) / 8)]
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ld hl, wEventFlags + ((\2) / 8)
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or [hl]
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bit ((\1) % 8), a
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pop hl
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ELSE
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push bc
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ld a, [wEventFlags + ((\1) / 8)]
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and (1 << ((\1) % 8))
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ld b, a
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ld a, [wEventFlags + ((\2) / 8)]
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and (1 << ((\2) % 8))
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or b
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pop bc
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ENDC
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ENDC
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ENDM
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; for handling fixed event bits when events are inserted/removed
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;\1 = event index
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;\2 = fixed flag bit
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AdjustEventBit: MACRO
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IF ((\1) % 8) != (\2)
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add ((\1) % 8) - (\2)
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ENDC
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ENDM
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426
macros.asm
426
macros.asm
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@ -79,432 +79,6 @@ bcd3: MACRO
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coins equs "bcd2"
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money equs "bcd3"
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;\1 = event index
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;\2 = return result in carry instead of zero flag
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CheckEvent: MACRO
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event_byte = ((\1) / 8)
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ld a, [wEventFlags + event_byte]
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IF _NARG > 1
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IF ((\1) % 8) == 7
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add a
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ELSE
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REPT ((\1) % 8) + 1
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rrca
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ENDR
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ENDC
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ELSE
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bit (\1) % 8, a
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ENDC
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ENDM
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;\1 = event index
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CheckEventReuseA: MACRO
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld a, [wEventFlags + event_byte]
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ENDC
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bit (\1) % 8, a
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ENDM
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;\1 = reg
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;\2 = event index
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;\3 = event index this event is relative to (optional, this is needed when there is a fixed flag address)
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EventFlagBit: MACRO
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IF _NARG > 2
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ld \1, ((\3) % 8) + ((\2) - (\3))
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ELSE
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ld \1, (\2) % 8
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ENDC
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ENDM
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;\1 = reg
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;\2 = event index
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EventFlagAddress: MACRO
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event_byte = ((\2) / 8)
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ld \1, wEventFlags + event_byte
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ENDM
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;\1 = event index
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CheckEventHL: MACRO
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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bit (\1) % 8, [hl]
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ENDM
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;\1 = event index
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CheckEventReuseHL: MACRO
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IF event_byte != ((\1) / 8)
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event_byte = ((\1) / 8)
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ld hl, wEventFlags + event_byte
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ENDC
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bit (\1) % 8, [hl]
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ENDM
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; dangerous, only use when HL is guaranteed to be the desired value
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;\1 = event index
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CheckEventForceReuseHL: MACRO
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event_byte = ((\1) / 8)
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bit (\1) % 8, [hl]
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ENDM
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;\1 = event index
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;\2 = event index of the last event used before the branch
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CheckEventAfterBranchReuseHL: MACRO
|
||||
event_byte = ((\2) / 8)
|
||||
IF event_byte != ((\1) / 8)
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
ENDC
|
||||
|
||||
bit (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
CheckAndSetEvent: MACRO
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
bit (\1) % 8, [hl]
|
||||
set (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
CheckAndResetEvent: MACRO
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
bit (\1) % 8, [hl]
|
||||
res (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
CheckAndSetEventA: MACRO
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
bit (\1) % 8, a
|
||||
set (\1) % 8, a
|
||||
ld [wEventFlags + ((\1) / 8)], a
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
CheckAndResetEventA: MACRO
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
bit (\1) % 8, a
|
||||
res (\1) % 8, a
|
||||
ld [wEventFlags + ((\1) / 8)], a
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
SetEvent: MACRO
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
set (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
SetEventReuseHL: MACRO
|
||||
IF event_byte != ((\1) / 8)
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
ENDC
|
||||
|
||||
set (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
;\2 = event index of the last event used before the branch
|
||||
SetEventAfterBranchReuseHL: MACRO
|
||||
event_byte = ((\2) / 8)
|
||||
IF event_byte != ((\1) / 8)
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
ENDC
|
||||
|
||||
set (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
; dangerous, only use when HL is guaranteed to be the desired value
|
||||
;\1 = event index
|
||||
SetEventForceReuseHL: MACRO
|
||||
event_byte = ((\1) / 8)
|
||||
set (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
;\2 = event index
|
||||
;\3 = event index (optional)
|
||||
SetEvents: MACRO
|
||||
SetEvent \1
|
||||
SetEventReuseHL \2
|
||||
|
||||
IF _NARG > 2
|
||||
SetEventReuseHL \3
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
ResetEvent: MACRO
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
res (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
ResetEventReuseHL: MACRO
|
||||
IF event_byte != ((\1) / 8)
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
ENDC
|
||||
|
||||
res (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
;\2 = event index of the last event used before the branch
|
||||
ResetEventAfterBranchReuseHL: MACRO
|
||||
event_byte = ((\2) / 8)
|
||||
IF event_byte != ((\1) / 8)
|
||||
event_byte = ((\1) / 8)
|
||||
ld hl, wEventFlags + event_byte
|
||||
ENDC
|
||||
|
||||
res (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
; dangerous, only use when HL is guaranteed to be the desired value
|
||||
;\1 = event index
|
||||
ResetEventForceReuseHL: MACRO
|
||||
event_byte = ((\1) / 8)
|
||||
res (\1) % 8, [hl]
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
;\2 = event index
|
||||
;\3 = event index (optional)
|
||||
ResetEvents: MACRO
|
||||
ResetEvent \1
|
||||
ResetEventReuseHL \2
|
||||
|
||||
IF _NARG > 2
|
||||
ResetEventReuseHL \3
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
;\2 = number of bytes away from the base address (optional, for matching the ROM)
|
||||
dbEventFlagBit: MACRO
|
||||
IF _NARG > 1
|
||||
db ((\1) % 8) + ((\2) * 8)
|
||||
ELSE
|
||||
db ((\1) % 8)
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
;\1 = event index
|
||||
;\2 = number of bytes away from the base address (optional, for matching the ROM)
|
||||
dwEventFlagAddress: MACRO
|
||||
IF _NARG > 1
|
||||
dw wEventFlags + ((\1) / 8) - (\2)
|
||||
ELSE
|
||||
dw wEventFlags + ((\1) / 8)
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
;\1 = start
|
||||
;\2 = end
|
||||
SetEventRange: MACRO
|
||||
event_start_byte = ((\1) / 8)
|
||||
event_end_byte = ((\2) / 8)
|
||||
|
||||
IF event_end_byte < event_start_byte
|
||||
FAIL "Incorrect argument order in SetEventRange."
|
||||
ENDC
|
||||
|
||||
IF event_start_byte == event_end_byte
|
||||
ld a, [wEventFlags + event_start_byte]
|
||||
or (1 << (((\2) % 8) + 1)) - (1 << ((\1) % 8))
|
||||
ld [wEventFlags + event_start_byte], a
|
||||
ELSE
|
||||
event_fill_start = event_start_byte + 1
|
||||
event_fill_count = event_end_byte - event_start_byte - 1
|
||||
|
||||
IF ((\1) % 8) == 0
|
||||
event_fill_start = -1 + event_fill_start
|
||||
event_fill_count = 1 + event_fill_count
|
||||
ELSE
|
||||
ld a, [wEventFlags + event_start_byte]
|
||||
or $ff - ((1 << ((\1) % 8)) - 1)
|
||||
ld [wEventFlags + event_start_byte], a
|
||||
ENDC
|
||||
|
||||
IF ((\2) % 8) == 7
|
||||
event_fill_count = 1 + event_fill_count
|
||||
ENDC
|
||||
|
||||
IF event_fill_count == 1
|
||||
ld hl, wEventFlags + event_fill_start
|
||||
ld [hl], $ff
|
||||
ENDC
|
||||
|
||||
IF event_fill_count > 1
|
||||
ld a, $ff
|
||||
ld hl, wEventFlags + event_fill_start
|
||||
|
||||
REPT -1 + event_fill_count
|
||||
ld [hli], a
|
||||
ENDR
|
||||
|
||||
ld [hl], a
|
||||
ENDC
|
||||
|
||||
IF ((\2) % 8) == 0
|
||||
ld hl, wEventFlags + event_end_byte
|
||||
set 0, [hl]
|
||||
ELSE
|
||||
IF ((\2) % 8) != 7
|
||||
ld a, [wEventFlags + event_end_byte]
|
||||
or (1 << (((\2) % 8) + 1)) - 1
|
||||
ld [wEventFlags + event_end_byte], a
|
||||
ENDC
|
||||
ENDC
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
;\1 = start
|
||||
;\2 = end
|
||||
;\3 = assume a is 0 if present
|
||||
ResetEventRange: MACRO
|
||||
event_start_byte = ((\1) / 8)
|
||||
event_end_byte = ((\2) / 8)
|
||||
|
||||
IF event_end_byte < event_start_byte
|
||||
FAIL "Incorrect argument order in ResetEventRange."
|
||||
ENDC
|
||||
|
||||
IF event_start_byte == event_end_byte
|
||||
ld a, [wEventFlags + event_start_byte]
|
||||
and ~((1 << (((\2) % 8) + 1)) - (1 << ((\1) % 8))) & $ff
|
||||
ld [wEventFlags + event_start_byte], a
|
||||
ELSE
|
||||
event_fill_start = event_start_byte + 1
|
||||
event_fill_count = event_end_byte - event_start_byte - 1
|
||||
|
||||
IF ((\1) % 8) == 0
|
||||
event_fill_start = -1 + event_fill_start
|
||||
event_fill_count = 1 + event_fill_count
|
||||
ELSE
|
||||
ld a, [wEventFlags + event_start_byte]
|
||||
and ~($ff - ((1 << ((\1) % 8)) - 1)) & $ff
|
||||
ld [wEventFlags + event_start_byte], a
|
||||
ENDC
|
||||
|
||||
IF ((\2) % 8) == 7
|
||||
event_fill_count = 1 + event_fill_count
|
||||
ENDC
|
||||
|
||||
IF event_fill_count == 1
|
||||
ld hl, wEventFlags + event_fill_start
|
||||
ld [hl], 0
|
||||
ENDC
|
||||
|
||||
IF event_fill_count > 1
|
||||
ld hl, wEventFlags + event_fill_start
|
||||
|
||||
; force xor a if we just to wrote to it above
|
||||
IF (_NARG < 3) || (((\1) % 8) != 0)
|
||||
xor a
|
||||
ENDC
|
||||
|
||||
REPT -1 + event_fill_count
|
||||
ld [hli], a
|
||||
ENDR
|
||||
|
||||
ld [hl], a
|
||||
ENDC
|
||||
|
||||
IF ((\2) % 8) == 0
|
||||
ld hl, wEventFlags + event_end_byte
|
||||
res 0, [hl]
|
||||
ELSE
|
||||
IF ((\2) % 8) != 7
|
||||
ld a, [wEventFlags + event_end_byte]
|
||||
and ~((1 << (((\2) % 8) + 1)) - 1) & $ff
|
||||
ld [wEventFlags + event_end_byte], a
|
||||
ENDC
|
||||
ENDC
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
; returns whether both events are set in Z flag
|
||||
;\1 = event index 1
|
||||
;\2 = event index 2
|
||||
CheckBothEventsSet: MACRO
|
||||
IF ((\1) / 8) == ((\2) / 8)
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
and (1 << ((\1) % 8)) | (1 << ((\2) % 8))
|
||||
cp (1 << ((\1) % 8)) | (1 << ((\2) % 8))
|
||||
ELSE
|
||||
; This case doesn't happen in the original ROM.
|
||||
IF ((\1) % 8) == ((\2) % 8)
|
||||
push hl
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
ld hl, wEventFlags + ((\2) / 8)
|
||||
and [hl]
|
||||
cpl
|
||||
bit ((\1) % 8), a
|
||||
pop hl
|
||||
ELSE
|
||||
push bc
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
and (1 << ((\1) % 8))
|
||||
ld b, a
|
||||
ld a, [wEventFlags + ((\2) / 8)]
|
||||
and (1 << ((\2) % 8))
|
||||
or b
|
||||
cp (1 << ((\1) % 8)) | (1 << ((\2) % 8))
|
||||
pop bc
|
||||
ENDC
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
; returns the complement of whether either event is set in Z flag
|
||||
;\1 = event index 1
|
||||
;\2 = event index 2
|
||||
CheckEitherEventSet: MACRO
|
||||
IF ((\1) / 8) == ((\2) / 8)
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
and (1 << ((\1) % 8)) | (1 << ((\2) % 8))
|
||||
ELSE
|
||||
; This case doesn't happen in the original ROM.
|
||||
IF ((\1) % 8) == ((\2) % 8)
|
||||
push hl
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
ld hl, wEventFlags + ((\2) / 8)
|
||||
or [hl]
|
||||
bit ((\1) % 8), a
|
||||
pop hl
|
||||
ELSE
|
||||
push bc
|
||||
ld a, [wEventFlags + ((\1) / 8)]
|
||||
and (1 << ((\1) % 8))
|
||||
ld b, a
|
||||
ld a, [wEventFlags + ((\2) / 8)]
|
||||
and (1 << ((\2) % 8))
|
||||
or b
|
||||
pop bc
|
||||
ENDC
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
; for handling fixed event bits when events are inserted/removed
|
||||
;\1 = event index
|
||||
;\2 = fixed flag bit
|
||||
AdjustEventBit: MACRO
|
||||
IF ((\1) % 8) != (\2)
|
||||
add ((\1) % 8) - (\2)
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
;\1 = r
|
||||
;\2 = X
|
||||
;\3 = Y
|
||||
|
|
|
|||
Loading…
Reference in a new issue