Programming the 8085
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Thursday, October 21, 2010
Scroll a word using 8279
4100 3E 0A MVI A,10 4102 D3 C2 OUT 0C2H 4104 3E 08 J2: MVI A,08H 4106 21 00 45 LXI H,4500H 4109 7E J1: MOV A,M 410A D3 C0 OUT 0C0H 410C CD 17 41 CALL DELAY 410F 23 INX H 4110 15 DCR D 4111 C2 09 41 JNZ J1 4114 C3 04 41 JMP J2 4117 01 FF FF DELAY: LXI B,0FFFFH 411A 0B WAIT: DCX B 411B 79 MOV A,C 411C B0 ORA B 411D C2 1A 41 JNZ WAIT 4120 C9 RET
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