vlir1.s

cc65 的编译器文档

; Maciej 'YTM/Elysium' Witkowiak
; 06.06.2002

; This is source for loadable VLIR-structured program part

    ; include some GEOS defines

	    .include "../../../libsrc/geos/inc/const.inc"
	    .include "../../../libsrc/geos/inc/jumptab.inc"
	    .include "../../../libsrc/geos/inc/geossym.inc"
	    .include "../../../libsrc/geos/inc/geosmac.ca65.inc"

    ; export names of functions that will be used in main program

	    .export VLIR1_Function1
	    .export VLIR1_Function2


    ; go into VLIR1 segment - everything that is here will go into
    ; VLIR chain #1

		.segment "VLIR1"

VLIR1_Function1:		jmp Function1	; jump table, not really necessary
VLIR1_Function2:		jmp Function2
		; etc.

    ; rodata - if this is defined in .segment "RODATA"
    ; it will end in VLIR0 part, you don't want that
paramString:
		.byte DEF_DB_POS | 1
		.byte DBTXTSTR, TXT_LN_X, TXT_LN_2_Y
		.word line1
		.byte DBTXTSTR, TXT_LN_X, TXT_LN_3_Y
		.word line2
		.byte OK, DBI_X_0, DBI_Y_2
		.byte NULL

line1:		.byte "This is in module 1",0
line2:		.byte "This is in module 1",0

    ; code
Function1:	LoadW r0, paramString
		jsr DoDlgBox
Function2:	rts