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→DEFB
===DEFB===
:DEFB DEFine Byte、DBと同じ。 [訳注sample:hellocpm.asm] ; hellocpm.asm ; (C) 2004 Julian Albo. ; This code may be freely used. ; Simple hello world for cp/m, showing the use of some ; pasmo options to adapt cp/m programs for cp/m 86 or ; ms-dos. ; Assembly with: ; - For cp/m: ; pasmo hellocpm.asm HELLOCPM.COM ; - For cp/m 86: ; pasmo --86 --cmd --equ CPM86 hellocpm.asm HELLOCPM.CMD ; - For ms-dos: ; pasmo --86 --equ MSDOS hellocpm.asm HELLOCPM.COM ; This macro allows to easily adapt the program to run ; in ms-dos or cp/m 86, using the --86 option and, in ; the case of cp/m 86, the --cmd option. ; The MSDOS is really not needed, ms-dos can handle ; call 5 use, but under dosemu this does not work, ; I still don't know why. Defining MSDOS it runs in any ; dos clone. BDOS_CALL macro if defined CPM86 db 0CDh, 0E0h ; int 0E0h, bdos call in cp/m 86 else if defined MSDOS db 088h, 0CCh ; mov ah, cl db 0CDH, 021h ; int 0CDh, ms-dos call. else call 5 ; endif ; endif endm ; BDOS_CALL
===DEFL===