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https://opencores.org/ocsvn/8051/8051/trunk
[/] [8051/] [tags/] [rel_2/] [asm/] [test.asm] - Diff between revs 2 and 155
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Rev 155 |
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; test
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;
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; r0- counter
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; r1, r2- delay
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; r4- shift
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nop;
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mov a, #10h ;
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nop;
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mov 15h, #20h ;
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mov 90h,#0aah;
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mov 25h, 15h ;
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mov R0,#01h;
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orl 25h, #1h ;
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mov r5, #00h;
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add a, 25h ;
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mov 80h, #0fh;
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mov p0, a ;
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d:
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done:
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nop;
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ajmp done ;
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nop;
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nop;
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jz d;
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mov r4, #01h;
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mov 80h, #00h;
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start:
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end
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mov 90h, r4;
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nop;
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acall delay;
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mov 80h, r0;
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mov a,r5;
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nop;
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nop;
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jz up;
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inc r0;
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ajmp ed;
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up:
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dec r0;
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ed:
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mov a, r4;
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rr a;
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mov r4,a;
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nop;
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ajmp start;
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mov 80h,#11h;
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delay:
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mov r1, #0ffh;
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mov r2, #0ffh;
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z1:
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mov a, #0ffh;
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z2:
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mov r1, a;
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mov a, r2;
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add a, #02h;
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mov a, r1;
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dec a;
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nop;
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nop;
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nop;
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nop;
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nop;
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nop;
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nop;
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nop;
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jnz z2;
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dec r2;
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mov a,r2;
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jnz z1;
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ret;
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.org 50h
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nop;
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mov a, #01;
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mov r5, #00h
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nop;
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nop;
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reti;
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.org 65h
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nop;
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mov r5, #0fh
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mov a, #01;
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nop;
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nop;
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reti;
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No newline at end of file
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No newline at end of file
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