1
0
mirror of https://github.com/cc65/cc65.git synced 2024-10-31 04:04:49 +00:00
cc65/samples/geos/ca65-vlir/vlir0.s
izydorst 63123a3566 example for creating VLIR binary using ca65
git-svn-id: svn://svn.cc65.org/cc65/trunk@1341 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-07-10 19:29:34 +00:00

80 lines
2.2 KiB
ArmAsm

; Maciej 'YTM/Elysium' Witkowiak
; 06.06.2002
; This is source for main 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"
; import load addresses for all VLIR chains
; by default they are all the same, but this is not required
; these labels are defined upon linking with ld65 - each segment has it
.import __VLIR1_LOAD__
.import __VLIR2_LOAD__
; import names of functions defined (and exported) in each VLIR part
; of your application
; here I used VLIRx_ prefix to prevent name clash
.import VLIR1_Function1
.import VLIR2_Function2
; segments "CODE", "DATA", "RODATA" and "BSS" all go to VLIR0 chain
.segment "CODE"
; code segment for VLIR 0 chain
ProgExec:
LoadW r0, paramString ; show something
jsr DoDlgBox
MoveW dirEntryBuf+OFF_DE_TR_SC, r1
LoadW r4, fileHeader
jsr GetBlock ; load back VLIR t&s table
bnex error
lda #1
jsr PointRecord ; we want next module (#1)
LoadW r2, $ffff ; length - as many bytes as there are
LoadW r7, __VLIR1_LOAD__ ; all VLIR segments have the same load address
jsr ReadRecord ; load it
bnex error
jsr VLIR1_Function1 ; execute something
lda #2
jsr PointRecord ; next module
LoadW r2, $ffff
LoadW r7, __VLIR2_LOAD__
jsr ReadRecord ; load it
bnex error
jsr VLIR2_Function2 ; execute something
error: jmp EnterDeskTop ; end of application
.segment "RODATA"
; read-only data segment
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 BOLDON, "Hello World!",0
line2: .byte OUTLINEON,"Hello",PLAINTEXT," world!",0
.segment "DATA"
; read/write initialized data segment
counter: .word 0
.segment "BSS"
; read/write uninitialized data segment
; this space doesn't go into output file, only its size and
; position is remembered