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MOON_BASE = 0xc4
MOON_REG1 = MOON_BASE
MOON_DAT1 = MOON_BASE+1
MOON_REG2 = MOON_BASE+2
MOON_DAT2 = MOON_BASE+3
MOON_STAT = MOON_BASE
MOON_WREG = 0xc2
MOON_WDAT = MOON_WREG+1
;TODO: is this good enough for ATM2?
macro opl4_wait
in a,(MOON_STAT)
rrca
jr c,$-3
endm
;makes ZXM-Moonsound firmware 1.01 switch PCM ports from default 7E and 7F to C2 and C3
macro switch_to_pcm_ports_c2_c3
in a,(MOON_REG2)
endm
MOONSOUNDROMSIZE = 0x200000
MOONWAVEHEADERSIZE = 12
MOONRAMWAVETABLESIZE = 128
OPL4MAXWAVECHANNELS = 24