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lb: MACRO ; r, hi, lo
ld \1, (\2) << 8 + ((\3) & $ff)
ENDM
ldtx: MACRO
if _NARG == 2
ld \1, \2_
else
ld \1, \2_ \3
endc
ENDM
bank1call: MACRO
rst $18
dw \1
ENDM
farcall: MACRO
rst $28
if _NARG == 1
db BANK(\1)
dw \1
else
db \1
dw \2
endc
ENDM
; runs SetEventValue with the next byte as the event, c as the new value
set_event_value: MACRO
call SetStackEventValue
db \1
ENDM
; runs ZeroOutEventValue with the next byte as the event
; functionally identical to set_event_zero but intended for single-bit events
set_event_false: MACRO
call SetStackEventFalse
db \1
ENDM
; runs ZeroOutEventValue with the next byte as the event
; functionally identical to set_event_false but intended for multi-bit events
set_event_zero: MACRO
call SetStackEventZero
db \1
ENDM
; runs MaxOutEventValue with the next byte as the event
max_event_value: MACRO
call MaxStackEventValue
db \1
ENDM
; runs GetEventValue with the next byte as the event. returns value in a
get_event_value: MACRO
call GetStackEventValue
db \1
ENDM
; the rst $38 handler is a single ret instruction
; probably used for testing purposes during development
debug_nop EQUS "rst $38"
; Returns to the pointer in bc instead of where the stack was.
retbc: MACRO
push bc
ret
ENDM
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