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| author | daniel-Jones <daniel@danieljon.es> | 2018-01-09 19:43:55 +1030 |
|---|---|---|
| committer | daniel-Jones <daniel@danieljon.es> | 2018-01-09 19:43:55 +1030 |
| commit | e4f040f94e27d1dbb4af3baef99b336da188938d (patch) | |
| tree | 216304b8dfbf29adb6cafc8bd74f467e1a41fcd7 /TASK2.asm | |
| download | 8085-assembly-tasks-e4f040f94e27d1dbb4af3baef99b336da188938d.tar.gz 8085-assembly-tasks-e4f040f94e27d1dbb4af3baef99b336da188938d.zip | |
first code push
Diffstat (limited to 'TASK2.asm')
| -rw-r--r-- | TASK2.asm | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/TASK2.asm b/TASK2.asm new file mode 100644 index 0000000..7ebd238 --- /dev/null +++ b/TASK2.asm @@ -0,0 +1,22 @@ +; MULTIPLY TWO NUMBERS TOGETHER, STORE IN MEMORY AT 00H +; MULTIPLICATION IS NOTHING MORE THAN REPEATED ADDITION + +JMP START +N1: EQU 05H ; MULTIPLICAND +N2: EQU 03H ; MULTIPLIER +N3: EQU 00H ; MEMORY LOCATION TO STORE RESULT +START: LXI H,N3 ; H AS MEMORY POINTER TO OUTPUT LOCATION 00H + MVI C,0 ; CLEAR C + MOV B,C ; CLEAR B + MOV A,B ; CLEAR A + MVI C,N2 ; MOVE N2 INTO C, THIS IS OUR COUNTER +ADD: MOV B,A ; STORE A IN B + MVI A,00H ; STORE 00H IN A + CMP C ; COMPARE C TO A + MOV A,B ; PUT B BACK INTO A + JZ END ; IF C == 0 JUMP TO END + ADI N1 ; ADD N1 TO A + DCR C ; DECREMENT C + JMP ADD ; JUMP TO ADD +END: STA N3 ; STORE A + HLT ; HALT
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