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Separate header and trailers of Atari system_check chunk.

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This allows to omit the headers and trailers if needed.
This commit is contained in:
Daniel Serpell
2019-02-18 00:26:01 -03:00
parent 61463e1a70
commit 258ba05660
3 changed files with 39 additions and 20 deletions
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26
libsrc/atari/system_check.s
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@@ -16,8 +16,7 @@
;DEBUG = 1 ;DEBUG = 1
.export __SYSTEM_CHECK__: absolute = 1 .export __SYSTEM_CHECK__, __SYSCHK_END__
.import __SYSCHK_LOAD__
.import __STARTADDRESS__ .import __STARTADDRESS__
; the following imports are only needed for the 'atari' target version ; the following imports are only needed for the 'atari' target version
@@ -25,10 +24,12 @@
.import __STACKSIZE__ .import __STACKSIZE__
.import __RESERVED_MEMORY__ .import __RESERVED_MEMORY__
; import our header and trailers
.forceimport __SYSCHKHDR__, __SYSCHKTRL__
.include "zeropage.inc" .include "zeropage.inc"
.include "atari.inc" .include "atari.inc"
.macro print_string text .macro print_string text
.local start, cont .local start, cont
jmp cont jmp cont
@@ -229,25 +230,10 @@ delay1: ldx #0
.endproc .endproc
end: __SYSTEM_CHECK__=syschk
__SYSCHK_END__:
.ifndef __ATARIXL__ .ifndef __ATARIXL__
tmp: ; outside of the load chunk, some kind of poor man's .bss tmp: ; outside of the load chunk, some kind of poor man's .bss
.endif .endif
; ------------------------------------------------------------------------
; Chunk header
.segment "SYSCHKHDR"
.word __SYSCHK_LOAD__
.word end - 1
; ------------------------------------------------------------------------
; Chunk "trailer" - sets INITAD
.segment "SYSCHKTRL"
.word INITAD
.word INITAD+1
.word syschk

16
libsrc/atari/system_check_hdr.s Normal file
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@@ -0,0 +1,16 @@
;
; Atari startup system check headers
;
; Christian Groessler, chris@groessler.org, 2013
;
.export __SYSCHKHDR__: absolute = 1
.import __SYSCHK_LOAD__, __SYSCHK_END__
; ------------------------------------------------------------------------
; Chunk header
.segment "SYSCHKHDR"
.word __SYSCHK_LOAD__
.word __SYSCHK_END__ - 1

17
libsrc/atari/system_check_trailer.s Normal file
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@@ -0,0 +1,17 @@
;
; Atari startup system check headers
;
; Christian Groessler, chris@groessler.org, 2013
;
.export __SYSCHKTRL__: absolute = 1
.import __SYSTEM_CHECK__
.include "atari.inc"
; ------------------------------------------------------------------------
; Chunk "trailer" - sets INITAD
.segment "SYSCHKTRL"
.word INITAD
.word INITAD+1
.word __SYSTEM_CHECK__