DATA SEGMENT NO DW 5648H Z DW ? O DW ? DATA ENDS CODE SEGMENT ASSUME CS:CODE, DS:DATA START: MOV AX, DATA MOV DS, AX MOV AX, NO MOV BX, 00H MOV CX, 10H MOV DX, 00H UP: ROL AX,1 JC ONE INC BX JMP NXT ONE: INC DX NXT: DEC CX JNZ UP MOV Z, BX MOV O, DX INT 3 CODE ENDS END START
Output
C:\TASM>masm czo.asm Microsoft (R) Macro Assembler Version 5.00 Copyright (C) Microsoft Corp 1981-1985, 1987. All rights reserved. Object filename [czo.OBJ]: Source listing [NUL.LST]: Cross-reference [NUL.CRF]: 50422 + 450234 Bytes symbol space free 0 Warning Errors 0 Severe Errors C:\TASM>link czo.obj Microsoft (R) Overlay Linker Version 3.60 Copyright (C) Microsoft Corp 1983-1987. All rights reserved. Run File [CZO.EXE]: List File [NUL.MAP]: Libraries [.LIB]: LINK : warning L4021: no stack segment C:\TASM>debug CZO.EXE -g AX=5648 BX=000A CX=0000 DX=0006 SP=0000 BP=0000 SI=0000 DI=0000 DS=0B97 ES=0B87 SS=0B97 CS=0B98 IP=0025 NV UP EI PL ZR NA PE NC 0B98:0025 CC INT 3 -d 0b97:0000 0B97:0000 48 56 0A 00 06 00 00 00-00 00 00 00 00 00 00 00 HV.............. 0B97:0010 B8 97 0B 8E D8 A1 00 00-BB 00 00 B9 10 00 BA 00 ................ 0B97:0020 00 D1 C0 72 04 43 EB 02-90 42 49 75 F4 89 1E 02 ...r.C...BIu.... 0B97:0030 00 89 16 04 00 CC E8 77-63 83 C4 06 FF 36 24 21 .......wc....6$! 0B97:0040 B8 0A 00 50 E8 47 5E 83-C4 04 5E 8B E5 5D C3 90 ...P.G^...^..].. 0B97:0050 55 8B EC 81 EC 84 00 C4-5E 04 26 80 7F 0A 00 74 U.......^.&....t 0B97:0060 3E 8B 46 08 8B 56 0A 89-46 FC 89 56 FE C4 5E FC >.F..V..F..V..^. 0B97:0070 26 8A 47 0C 2A E4 40 50-8B C3 05 0C 00 52 50 E8 &.G.*[email protected]. -q
8086 assembly program to count number to count the number of 1’s from a string?