📄 keytest.asm
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;**************************KEYTEST PROGRAM*******************
KEYTEST: MOV LED1,#0
MOV LED2,#0
MOV LED3,#0
MOV LED4,#0
MOV LED5,#0
LCALL SEL8
MOV A,P1
JNB ACC.7, L_PLAYKEYEND
JNB ACC.0,L_PLAYKEY1
JNB ACC.1,L_PLAYKEY2
JNB ACC.2,L_PLAYKEY3
JNB ACC.3,L_PLAYKEY4
AJMP KEYTEST
L_PLAYKEY1: MOV LED5,#0CH
LCALL L_KEYBEEP
LCALL L_PLAY5
AJMP KEYTEST
L_PLAYKEY2: MOV LED5,#0B6H
LCALL L_KEYBEEP
LCALL L_PLAY5
AJMP KEYTEST
L_PLAYKEY3: MOV LED5,#9EH
LCALL L_KEYBEEP
LCALL L_PLAY5
AJMP KEYTEST
L_PLAYKEY4: MOV LED5,#0CCH
LCALL L_KEYBEEP
LCALL L_PLAY5
AJMP KEYTEST
L_KEYBEEP: CLR P2.3
LCALL L_DELAY2MS
SETB P2.3
LCALL L_DELAY2MS
L_PLAYKEYEND: RET
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