AppleIIAsm-Collection/source/disk2_common/T.MIN.SUB.DELAYMS

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DELAYMS
MSCNT EQU $0CA
:DELAY
CPY #0
BEQ :EXIT
NOP
CPY #1
BNE :DELAYA
JMP :LAST1
:DELAYA
DEY
:DELAY0
LDX #MSCNT
:DELAY1
DEX
BNE :DELAY1
NOP
NOP
DEY
BNE :DELAY0
:LAST1
LDX #MSCNT-3
:DELAY2
DEX
BNE :DELAY2
:EXIT
RTS