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more atarixl linker cfg file cleanups; adapt atarixl-overlay.cfg

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This commit is contained in:
Christian Groessler 2013-09-13 21:47:39 +02:00
parent 5caf6c8854
commit 85170998ad
5 changed files with 104 additions and 48 deletions
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122
cfg/atarixl-overlay.cfg
View File

@ -1,48 +1,100 @@
FEATURES {
STARTADDRESS: default = $2E00;
STARTADDRESS: default = $2400;
}
SYMBOLS {
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__OVERLAYSIZE__: type = weak, value = $1000; # 4k overlay
__RESERVED_MEMORY__: type = weak, value = $0000;
__STARTADDRESS__: type = export, value = %S;
syschk: type = import; # force inclusion of SYSCHK
sramprep: type = import; # force inclusion of SRPREP
}
MEMORY {
ZP: file = "", define = yes, start = $0082, size = $007E;
HEADER: file = %O, start = $0000, size = $0006;
RAM: file = %O, start = %S + __OVERLAYSIZE__, size = $BC20 - __STACKSIZE__ - __OVERLAYSIZE__ - %S;
TRAILER: file = %O, start = $0000, size = $0006;
OVL1: file = "%O.1", start = %S, size = __OVERLAYSIZE__;
OVL2: file = "%O.2", start = %S, size = __OVERLAYSIZE__;
OVL3: file = "%O.3", start = %S, size = __OVERLAYSIZE__;
OVL4: file = "%O.4", start = %S, size = __OVERLAYSIZE__;
OVL5: file = "%O.5", start = %S, size = __OVERLAYSIZE__;
OVL6: file = "%O.6", start = %S, size = __OVERLAYSIZE__;
OVL7: file = "%O.7", start = %S, size = __OVERLAYSIZE__;
OVL8: file = "%O.8", start = %S, size = __OVERLAYSIZE__;
OVL9: file = "%O.9", start = %S, size = __OVERLAYSIZE__;
ZP: file = "", define = yes, start = $0082, size = $007E;
# just $FFFF
HEADER: file = %O, start = $0000, size = $0002;
# "system check" load chunk
SYSCHKHDR: file = %O, start = $0000, size = $0004;
SYSCHKCHNK: 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;
SRPREPCHNK: file = %O, start = %S + __OVERLAYSIZE__, size = $7C20 - %S - __OVERLAYSIZE__ - $07FF; # $07FF: space for temp. chargen buffer, 1K aligned
SRPREPTRL: file = %O, start = $0000, size = $0006;
# "main program" load chunk
MAINHDR: file = %O, start = $0000, size = $0004;
RAM: file = %O, define = yes, start = %S +
__OVERLAYSIZE__ +
__SAVEAREA_SIZE__ +
__LOWDATA_SIZE__, size = $D000 -
__STACKSIZE__ -
%S -
__OVERLAYSIZE__ -
__SAVEAREA_SIZE__ -
__LOWDATA_SIZE__;
# defines entry point into program
TRAILER: file = %O, start = $0000, size = $0006;
# address of relocated character generator
CHARGEN: file = "", define = yes, start = $D800, size = $0400;
# memory beneath the ROM
HIDDEN_RAM: file = "", define = yes, start = $DC00, size = $FFF0 - $DC00;
# overlays
OVL1: file = "%O.1", start = %S, size = __OVERLAYSIZE__;
OVL2: file = "%O.2", start = %S, size = __OVERLAYSIZE__;
OVL3: file = "%O.3", start = %S, size = __OVERLAYSIZE__;
OVL4: file = "%O.4", start = %S, size = __OVERLAYSIZE__;
OVL5: file = "%O.5", start = %S, size = __OVERLAYSIZE__;
OVL6: file = "%O.6", start = %S, size = __OVERLAYSIZE__;
OVL7: file = "%O.7", start = %S, size = __OVERLAYSIZE__;
OVL8: file = "%O.8", start = %S, size = __OVERLAYSIZE__;
OVL9: file = "%O.9", start = %S, size = __OVERLAYSIZE__;
}
SEGMENTS {
EXEHDR: load = HEADER, type = ro;
STARTUP: load = RAM, type = ro, define = yes;
LOWCODE: load = RAM, type = ro, define = yes, optional = yes;
INIT: load = RAM, type = ro, optional = yes;
CODE: load = RAM, type = ro, define = yes;
RODATA: load = RAM, type = ro;
DATA: load = RAM, type = rw;
ZPSAVE: load = RAM, type = bss, define = yes;
BSS: load = RAM, type = bss, define = yes;
ZEROPAGE: load = ZP, type = zp;
EXTZP: load = ZP, type = zp, optional = yes;
AUTOSTRT: load = TRAILER, type = ro;
OVERLAY1: load = OVL1, type = ro, define = yes, optional = yes;
OVERLAY2: load = OVL2, type = ro, define = yes, optional = yes;
OVERLAY3: load = OVL3, type = ro, define = yes, optional = yes;
OVERLAY4: load = OVL4, type = ro, define = yes, optional = yes;
OVERLAY5: load = OVL5, type = ro, define = yes, optional = yes;
OVERLAY6: load = OVL6, type = ro, define = yes, optional = yes;
OVERLAY7: load = OVL7, type = ro, define = yes, optional = yes;
OVERLAY8: load = OVL8, type = ro, define = yes, optional = yes;
OVERLAY9: load = OVL9, type = ro, define = yes, optional = yes;
EXEHDR: load = HEADER, type = ro;
SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
SYSCHK: load = SYSCHKCHNK, type = rw, define = yes, optional = yes;
SYSCHKTRL: load = SYSCHKTRL, type = ro, optional = yes;
SRPREPHDR: load = SRPREPHDR, type = ro;
SAVEAREA: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREP and RAM
LOWDATA: load = SRPREPCHNK, type = bss, define = yes; # " " " " " " " "
SRPREP: load = SRPREPCHNK, type = rw, define = yes;
SHADOW_RAM: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes;
SRPREPTRL: load = SRPREPTRL, type = ro;
MAINHDR: load = MAINHDR, type = ro;
STARTUP: load = RAM, type = ro, define = yes;
LOWCODE: load = RAM, type = ro, define = yes, optional = yes;
INIT: load = RAM, type = ro, optional = yes;
CODE: load = RAM, type = ro, define = yes;
RODATA: load = RAM, type = ro;
DATA: load = RAM, type = rw;
BSS: load = RAM, type = bss, define = yes;
ZEROPAGE: load = ZP, type = zp;
EXTZP: load = ZP, type = zp, optional = yes;
AUTOSTRT: load = TRAILER, type = ro;
OVERLAY1: load = OVL1, type = ro, define = yes, optional = yes;
OVERLAY2: load = OVL2, type = ro, define = yes, optional = yes;
OVERLAY3: load = OVL3, type = ro, define = yes, optional = yes;
OVERLAY4: load = OVL4, type = ro, define = yes, optional = yes;
OVERLAY5: load = OVL5, type = ro, define = yes, optional = yes;
OVERLAY6: load = OVL6, type = ro, define = yes, optional = yes;
OVERLAY7: load = OVL7, type = ro, define = yes, optional = yes;
OVERLAY8: load = OVL8, type = ro, define = yes, optional = yes;
OVERLAY9: load = OVL9, type = ro, define = yes, optional = yes;
}
FEATURES {
CONDES: type = constructor,

17
cfg/atarixl.cfg
View File

@ -5,6 +5,7 @@ FEATURES {
SYMBOLS {
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__RESERVED_MEMORY__: type = weak, value = $0000;
__STARTADDRESS__: type = export, value = %S;
syschk: type = import; # force inclusion of SYSCHK
sramprep: type = import; # force inclusion of SRPREP
}
@ -17,12 +18,12 @@ MEMORY {
# "system check" load chunk
SYSCHKHDR: file = %O, start = $0000, size = $0004;
SYSCHK: file = %O, start = $2E00, size = $0300;
SYSCHKCHNK: 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;
SRPREP: file = %O, start = %S, size = $7C20 - %S - $07FF; # $07FF: space for temp. chargen buffer, 1K aligned
SRPREPCHNK: file = %O, define = yes, start = %S, size = $7C20 - %S - $07FF; # $07FF: space for temp. chargen buffer, 1K aligned
SRPREPTRL: file = %O, start = $0000, size = $0006;
# "main program" load chunk
@ -42,21 +43,21 @@ MEMORY {
CHARGEN: file = "", define = yes, start = $D800, size = $0400;
# memory beneath the ROM
RAM_BELOW_ROM: file = "", define = yes, start = $DC00, size = $FFF0 - $DC00;
HIDDEN_RAM: file = "", define = yes, start = $DC00, size = $FFF0 - $DC00;
}
SEGMENTS {
EXEHDR: load = HEADER, type = ro;
SYSCHKHDR: load = SYSCHKHDR, type = ro, optional = yes;
SYSCHK: load = SYSCHK, type = rw, define = yes, optional = yes;
SYSCHK: load = SYSCHKCHNK, 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
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;
SAVEAREA: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREP and RAM
LOWDATA: load = SRPREPCHNK, type = bss, define = yes; # " " " " " " " "
SRPREP: load = SRPREPCHNK, type = rw, define = yes;
SHADOW_RAM: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes;
SRPREPTRL: load = SRPREPTRL, type = ro;
MAINHDR: load = MAINHDR, type = ro;

2
libsrc/atari/shadow_ram_prepare.s
View File

@ -18,7 +18,7 @@ DEBUG = 1
.import __SHADOW_RAM_LOAD__, __SHADOW_RAM_SIZE__
.import __SHADOW_RAM_RUN__
.import __CHARGEN_START__, __CHARGEN_SIZE__
.import __SAVEAREA_LOAD__
.import __STARTADDRESS__ ; needed by xlmemchk.inc
.include "zeropage.inc"
.include "atari.inc"

3
libsrc/atari/system_check.s
View File

@ -17,7 +17,7 @@ DEBUG = 1
.export syschk
.import __SYSCHK_LOAD__
.import __SAVEAREA_LOAD__ ; needed by xlmemchk.inc
.import __STARTADDRESS__ ; needed by xlmemchk.inc
.include "zeropage.inc"
.include "atari.inc"
@ -75,6 +75,7 @@ cont: ldx #0 ; channel 0
no_xl: print_string "This program needs an XL machine."
jmp fail
; entry point
syschk:
lda $fcd8 ; from ostype.s
cmp #$a2

8
libsrc/atari/xlmemchk.inc
View File

@ -9,7 +9,7 @@
; by the screen memory afterwards.
;
; inputs:
; __SAVEAREA_LOAD__ - load address of the program
; __STARTADDRESS__ - load address of the program
; outputs:
; lodadr - (high byte only) value to
; write into RAMTOP
@ -75,8 +75,10 @@ al4k: lda lodadr+1
bne scrmemtst
; not reached
lodadr: .word __SAVEAREA_LOAD__ & $FF00 ; our program's load address, rounded down to page boundary
.ifdef DEBUG
.byte "XLMEMCHK:>"
.endif
lodadr: .word __STARTADDRESS__ & $FF00 ; our program's load address, rounded down to page boundary
tstadr: .res 2
lowadr: .res 2
tmp: .res 1