2015-07-21 05:11:59 +00:00
|
|
|
;\1 = event index
|
|
|
|
;\2 = return result in carry instead of zero flag
|
|
|
|
CheckEvent: MACRO
|
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
ld a, [wEventFlags + event_byte]
|
|
|
|
|
|
|
|
IF _NARG > 1
|
|
|
|
IF ((\1) % 8) == 7
|
|
|
|
add a
|
|
|
|
ELSE
|
|
|
|
REPT ((\1) % 8) + 1
|
|
|
|
rrca
|
|
|
|
ENDR
|
|
|
|
ENDC
|
|
|
|
ELSE
|
|
|
|
bit (\1) % 8, a
|
|
|
|
ENDC
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = event index
|
|
|
|
CheckEventReuseA: MACRO
|
2015-07-21 17:36:03 +00:00
|
|
|
IF event_byte != ((\1) / 8)
|
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
ld a, [wEventFlags + event_byte]
|
|
|
|
ENDC
|
|
|
|
|
|
|
|
bit (\1) % 8, a
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = event index
|
|
|
|
;\2 = event index of the last event used before the branch
|
|
|
|
CheckEventAfterBranchReuseA: MACRO
|
|
|
|
event_byte = ((\2) / 8)
|
|
|
|
IF event_byte != ((\1) / 8)
|
2015-07-21 05:11:59 +00:00
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
ld a, [wEventFlags + event_byte]
|
|
|
|
ENDC
|
|
|
|
|
|
|
|
bit (\1) % 8, a
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = reg
|
|
|
|
;\2 = event index
|
|
|
|
;\3 = event index this event is relative to (optional, this is needed when there is a fixed flag address)
|
|
|
|
EventFlagBit: MACRO
|
|
|
|
IF _NARG > 2
|
|
|
|
ld \1, ((\3) % 8) + ((\2) - (\3))
|
|
|
|
ELSE
|
|
|
|
ld \1, (\2) % 8
|
|
|
|
ENDC
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = reg
|
|
|
|
;\2 = event index
|
|
|
|
EventFlagAddress: MACRO
|
|
|
|
event_byte = ((\2) / 8)
|
|
|
|
ld \1, wEventFlags + event_byte
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = event index
|
|
|
|
CheckEventHL: MACRO
|
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
ld hl, wEventFlags + event_byte
|
|
|
|
bit (\1) % 8, [hl]
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = event index
|
|
|
|
CheckEventReuseHL: MACRO
|
|
|
|
IF event_byte != ((\1) / 8)
|
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
ld hl, wEventFlags + event_byte
|
|
|
|
ENDC
|
|
|
|
|
|
|
|
bit (\1) % 8, [hl]
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
; dangerous, only use when HL is guaranteed to be the desired value
|
|
|
|
;\1 = event index
|
|
|
|
CheckEventForceReuseHL: MACRO
|
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
bit (\1) % 8, [hl]
|
|
|
|
ENDM
|
|
|
|
|
|
|
|
;\1 = event index
|
|
|
|
;\2 = event index of the last event used before the branch
|
|
|
|
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 = event_fill_start + -1
|
|
|
|
event_fill_count = event_fill_count + 1
|
|
|
|
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 = event_fill_count + 1
|
|
|
|
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 event_fill_count + -1
|
|
|
|
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))) & $ff
|
|
|
|
ld [wEventFlags + event_start_byte], a
|
|
|
|
ELSE
|
|
|
|
event_fill_start = event_start_byte + 1
|
|
|
|
event_fill_count = event_end_byte - event_start_byte - 1
|
|
|
|
|
|
|
|
IF ((\1) % 8) == 0
|
|
|
|
event_fill_start = event_fill_start + -1
|
|
|
|
event_fill_count = event_fill_count + 1
|
|
|
|
ELSE
|
|
|
|
ld a, [wEventFlags + event_start_byte]
|
|
|
|
and ~($ff - ((1 << ((\1) % 8)) - 1)) & $ff
|
|
|
|
ld [wEventFlags + event_start_byte], a
|
|
|
|
ENDC
|
|
|
|
|
|
|
|
IF ((\2) % 8) == 7
|
|
|
|
event_fill_count = event_fill_count + 1
|
|
|
|
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 event_fill_count + -1
|
|
|
|
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
|
2015-07-21 17:36:03 +00:00
|
|
|
; This is counter-intuitive because the other event checks set the Z flag when
|
|
|
|
; the event is not set, but this sets the Z flag when the event is set.
|
2015-07-21 05:11:59 +00:00
|
|
|
;\1 = event index 1
|
|
|
|
;\2 = event index 2
|
2015-07-21 17:36:03 +00:00
|
|
|
;\3 = try to reuse a (optional)
|
2015-07-21 05:11:59 +00:00
|
|
|
CheckBothEventsSet: MACRO
|
|
|
|
IF ((\1) / 8) == ((\2) / 8)
|
2015-07-21 17:36:03 +00:00
|
|
|
IF (_NARG < 3) || (((\1) / 8) != event_byte)
|
|
|
|
event_byte = ((\1) / 8)
|
|
|
|
ld a, [wEventFlags + ((\1) / 8)]
|
|
|
|
ENDC
|
2015-07-21 05:11:59 +00:00
|
|
|
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
|
2015-07-21 17:36:03 +00:00
|
|
|
ENDM
|