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Move zp space out of crt0.s

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1291 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2002-05-26 09:09:10 +00:00
parent 3aadd7f62b
commit 33c1e82bda
7 changed files with 20 additions and 174 deletions
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libsrc/atari/crt0.s
+3 -32
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@@ -18,39 +18,10 @@
.import _main,__filetab,getfd
.import __CODE_LOAD__, __BSS_LOAD__
.include "zeropage.inc"
.include "atari.inc"
.include "_file.inc"
; ------------------------------------------------------------------------
; Define and export the ZP variables for the runtime
.exportzp sp, sreg, regsave
.exportzp ptr1, ptr2, ptr3, ptr4
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp fntemp, regbank, zpspace
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
fntemp: .res 2 ; Pointer to file name
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; EXE header
@@ -58,12 +29,12 @@ zpspace = * - zpstart ; Zero page space allocated
.word $FFFF
.word __CODE_LOAD__
.word __BSS_LOAD__ - 1
.code
.reloc
; ------------------------------------------------------------------------
; Actual code
.code
rts ; fix for SpartaDOS / OS/A+
; they first call the entry point from AUTOSTRT and
; then the load addess (this rts here).