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Don't hardcode the stack location

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git-svn-id: svn://svn.cc65.org/cc65/trunk@609 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2001-03-08 14:48:00 +00:00
parent a4b921ca7e
commit 22b55ae7fe
2 changed files with 7 additions and 3 deletions
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5
libsrc/c64/crt0.s
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@ -8,6 +8,7 @@
.import initlib, donelib
.import zerobss, push0
.import _main
.import __RAM_START__, __RAM_SIZE__ ; Linker generated
.include "c64.inc"
.include "../cbm/cbm.inc"
@ -85,9 +86,9 @@ L1: lda sp,x
ora #$06 ; Enable kernal+I/O, disable basic
sta $01
lda #<$D000
lda #<(__RAM_START__ + __RAM_SIZE__)
sta sp
lda #>$D000
lda #>(__RAM_START__ + __RAM_SIZE__)
sta sp+1 ; Set argument stack ptr
; Call module constructors

5
libsrc/c64/read.s
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@ -26,7 +26,10 @@ _read: jsr popax ; get count
L1: lda ptr2
ora ptr2+1 ; count zero?
beq L9
jsr BASIN
dec ptr2
bne L1a
dec ptr2+1
L1a: jsr BASIN
ldy #0
sta (ptr1),y ; save char
inc ptr1