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atarixl linker cfg file cleanups; set default load address to 400 for atarixl

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This commit is contained in:
Christian Groessler 2013-09-13 20:29:24 +02:00
parent aac88eac53
commit 5caf6c8854
3 changed files with 14 additions and 9 deletions
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12
cfg/atarixl.cfg
View File

@ -1,5 +1,5 @@
FEATURES {
STARTADDRESS: default = $2E00;
STARTADDRESS: default = $2400;
}
SYMBOLS {
@ -17,7 +17,8 @@ MEMORY {
# "system check" load chunk
SYSCHKHDR: file = %O, start = $0000, size = $0004;
SYSCHK: file = %O, start = $2E00, size = $0E00;
SYSCHK: file = %O, start = $2E00, size = $0300;
SYSCHKTRL: file = %O, start = $0000, size = $0006;
# "shadow RAM preparation" load chunk
SRPREPHDR: file = %O, start = $0000, size = $0004;
@ -28,11 +29,11 @@ MEMORY {
MAINHDR: file = %O, start = $0000, size = $0004;
RAM: file = %O, define = yes, start = %S +
__SAVEAREA_SIZE__ +
__LOWBUFS_SIZE__, size = $D000 -
__LOWDATA_SIZE__, size = $D000 -
__STACKSIZE__ -
%S -
__SAVEAREA_SIZE__ -
__LOWBUFS_SIZE__;
__LOWDATA_SIZE__;
# defines entry point into program
TRAILER: file = %O, start = $0000, size = $0006;
@ -49,10 +50,11 @@ SEGMENTS {
SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
SYSCHK: load = SYSCHK, type = rw, define = yes, optional = yes;
SYSCHKTRL: load = SYSCHKTRL, type = ro, optional = yes;
SRPREPHDR: load = SRPREPHDR, type = ro;
SAVEAREA: load = SRPREP, type = bss, define = yes; # shared btw. SRPREP and RAM
LOWBUFS: load = SRPREP, type = bss, define = yes;
LOWDATA: load = SRPREP, type = bss, define = yes; # " " " " " " " "
SRPREP: load = SRPREP, type = rw, define = yes;
SHADOW_RAM: load = SRPREP, run = RAM_BELOW_ROM, type = rw, define = yes, optional = yes;
SRPREPTRL: load = SRPREPTRL, type = ro;

2
libsrc/atari/shadow_ram_handlers.s
View File

@ -117,7 +117,7 @@ sram_init:
zpptr1: .res 2
.segment "LOWBUFS"
.segment "LOWDATA"
; bounce buffers for CIO and SIO calls
bounce_buffer: .res BUFSZ_SIO

9
libsrc/atari/system_check.s
View File

@ -17,7 +17,7 @@ DEBUG = 1
.export syschk
.import __SYSCHK_LOAD__
.import __SAVEAREA_LOAD__
.import __SAVEAREA_LOAD__ ; needed by xlmemchk.inc
.include "zeropage.inc"
.include "atari.inc"
@ -64,7 +64,7 @@ cont: ldx #0 ; channel 0
.segment "SYSCHKHDR"
.word __SYSCHK_LOAD__
.word trailer - 1
.word end - 1
; ------------------------------------------------------------------------
; Actual code
@ -142,10 +142,13 @@ loop: dey
.endproc
end:
; ------------------------------------------------------------------------
; Chunk "trailer" - sets INITAD
trailer:
.segment "SYSCHKTRL"
.word INITAD
.word INITAD+1
.word syschk