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The PC-SIG Library 10
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The PC-Sig Library - Shareware for the IBM PC and Compatibles (PC-SIG)(Tenth Edition Disks 1-2804)(1991).iso
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A18
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EXAMPLE.ASM
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Assembly Source File
|
1987-03-15
|
2KB
|
60 lines
; To become familiar with the segment feature you
; should assemble this file with and without the
; single object module swicth enabled.
;
; a18 -o example ;two object module files
; code.seg
; foo.seg
;
; a18 example ;one object module file example.obj
.org 0 ;comment test
.db 1,2,3,4,5,6,7,8 ;define byte test
lab1: ;label only test
;blank line and comment only test
.dw 1,32000 ;define word test
.rs 10 ;reserve storage test
.dw 1+lab1 ;add test
.dw lab1-1 ;subtract test
.dw 1*lab1 ;multiply test
.dw 'k' ;character test
.db 1,d'6,077,o'77,q'77,0x77,h'77,x'aa,x'a,b'1111,b'1 ;radix test
.db "k" ;string test--should give no error
.db "\n\t\b\r\f\\\'\0\145" ;string escape test sequence
.dw 1 << 15 ;8000
.dw x'8000 >> 15 ;0001
.dw ~x'ffff ;0000
.dw -1 ;ffff
.page
.dw 10 /2 ;5
.eject
.dw 32000/2000 ;16
.dw 27 %5 ;modulus = 2
.dw x'5555 ~ x'5555 ;ffff
.dw x'5555 | x'aaaa ;ffff
.dw x'5555 ^ x'aaaa ;ffff
start: .dw x'5555 ^ x'5555 ;0000
.dw x'5555 & x'aaaa ;0000
.dw x'5555 & x'5555 ;5555
.dw 32000 + 1 ;large positive
.dw -32000 + 1 ;small negative
.dw 5 + - 3 * 2 /3 ;complex expression
.dw 5 + (-3)*2/3 ;
.dw lab2
.dw lab2+1 ;test expression sync
.code ;extraneous switch to current segment
.segment foo
foo
.org x'ff
.db 1,2
.code
.db 3,4
foo
lab2: .db,5,6
.set lab3,lab2
.equ lab3,start
synctest: .DIRECT +h88 +w132
.end start