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remove TABs

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This commit is contained in:
Christian Groessler 2014-01-14 23:12:35 +01:00
parent b237bb9d9a
commit 692ec4a05b
3 changed files with 56 additions and 56 deletions
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18
libsrc/atari/carthdr.s
View File

@ -5,16 +5,16 @@
.ifndef __ATARIXL__
.import __CARTFLAGS__, cartinit, cartstart
.export __CART_HEADER__: absolute = 1
.import __CARTFLAGS__, cartinit, cartstart
.export __CART_HEADER__: absolute = 1
.include "atari.inc"
.include "atari.inc"
.segment "CARTHDR"
.segment "CARTHDR"
.word cartstart ; start routine
.byte 0 ; must be zero
.byte <__CARTFLAGS__
.word cartinit ; init routine
.word cartstart ; start routine
.byte 0 ; must be zero
.byte <__CARTFLAGS__
.word cartinit ; init routine
.endif ; .ifndef __ATARIXL__
.endif ; .ifndef __ATARIXL__

8
libsrc/atari/cartinit.s
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@ -4,10 +4,10 @@
.ifndef __ATARIXL__
.export cartinit
.export cartinit
.segment "STARTUP"
.segment "STARTUP"
cartinit: rts
cartinit: rts
.endif ; .ifndef __ATARIXL__
.endif ; .ifndef __ATARIXL__

86
libsrc/atari/cartstart.s
View File

@ -4,64 +4,64 @@
.ifndef __ATARIXL__
.export cartstart
.export cartstart
.import start
.import __DATA_LOAD__, __DATA_SIZE__, __DATA_RUN__
.importzp ptr1, ptr2, tmp1, tmp2
.import start
.import __DATA_LOAD__, __DATA_SIZE__, __DATA_RUN__
.importzp ptr1, ptr2, tmp1, tmp2
.include "atari.inc"
.include "atari.inc"
.segment "STARTUP"
.segment "STARTUP"
; start routine of cartridge
; copy data segment to RAM and chain to entry point of crt0.s
cartstart: lda #<__DATA_LOAD__
sta ptr1
lda #>__DATA_LOAD__
sta ptr1+1
lda #<__DATA_RUN__
sta ptr2
lda #>__DATA_RUN__
sta ptr2+1
lda #>__DATA_SIZE__
sta tmp2
lda #<__DATA_SIZE__
sta tmp1
jsr memcopy
jsr start ; run program
jmp (DOSVEC) ; return to DOS
cartstart: lda #<__DATA_LOAD__
sta ptr1
lda #>__DATA_LOAD__
sta ptr1+1
lda #<__DATA_RUN__
sta ptr2
lda #>__DATA_RUN__
sta ptr2+1
lda #>__DATA_SIZE__
sta tmp2
lda #<__DATA_SIZE__
sta tmp1
jsr memcopy
jsr start ; run program
jmp (DOSVEC) ; return to DOS
; routine taken from http://www.obelisk.demon.co.uk/6502/algorithms.html
;
; copy memory
; ptr1 - source
; ptr2 - destination
; ptr1 - source
; ptr2 - destination
; tmp2:tmp1 - len
.proc memcopy
.proc memcopy
ldy #0
ldx tmp2
beq last
pagecp: lda (ptr1),y
sta (ptr2),y
iny
bne pagecp
inc ptr1+1
inc ptr2+1
dex
bne pagecp
last: cpy tmp1
beq done
lda (ptr1),y
sta (ptr2),y
iny
bne last
done: rts
ldy #0
ldx tmp2
beq last
pagecp: lda (ptr1),y
sta (ptr2),y
iny
bne pagecp
inc ptr1+1
inc ptr2+1
dex
bne pagecp
last: cpy tmp1
beq done
lda (ptr1),y
sta (ptr2),y
iny
bne last
done: rts
.endproc
.endif ; .ifndef __ATARIXL__
.endif ; .ifndef __ATARIXL__