6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-07-05 06:28:57 +00:00
Code Issues Projects Releases Wiki Activity

User linker generated symbols for stack placement (like most other targets) instead of a hardcoded constant in order to allow control of stack placement via linker configuration.

Browse Source 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4821 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
ol.sc 2010-10-02 10:32:26 +00:00
parent aaf90c1252
commit eef8ecc74d
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libsrc/plus4/crt0.s
View File

@ -9,6 +9,8 @@
.import callirq_y, initlib, donelib
.import callmain, zerobss
.import __INTERRUPTOR_COUNT__
.import __RAM_START__, __RAM_SIZE__ ; Linker generated
.import __STACKSIZE__ ; Linker generated
.include "zeropage.inc"
.include "plus4.inc"
@ -65,9 +67,9 @@ L1: lda sp,x
tsx
stx spsave ; save system stk ptr
lda #<$FD00
lda #<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
sta sp
lda #>$FD00
lda #>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
sta sp+1
; Setup the IRQ vector in the banked RAM and switch off the ROM