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Default atatixl.cfg file now leaves the character generator at $E000.

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This reduces the potential to flicker, but creates two separate
memory areas in the high memory.
For applications which require a large continuous memory space in
high memory, atarixl-largehimem.cfg is provided. With high IRQ
activity or DL interrupt there might be flicker.
This commit is contained in:
Christian Groessler 2013-09-18 00:38:29 +02:00
parent 42835d91b8
commit d0c41ecee9
2 changed files with 97 additions and 5 deletions
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89
cfg/atarixl-largehimem.cfg Normal file
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@ -0,0 +1,89 @@
FEATURES {
STARTADDRESS: default = $2400;
}
SYMBOLS {
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__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;
# 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, 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
MAINHDR: file = %O, start = $0000, size = $0004;
RAM: file = %O, define = yes, start = %S +
__SAVEAREA_SIZE__ +
__LOWDATA_SIZE__, size = $D000 -
__STACKSIZE__ -
%S -
__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;
}
SEGMENTS {
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;
SHADOW_RAM2: 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;
}
FEATURES {
CONDES: type = constructor,
label = __CONSTRUCTOR_TABLE__,
count = __CONSTRUCTOR_COUNT__,
segment = INIT;
CONDES: type = destructor,
label = __DESTRUCTOR_TABLE__,
count = __DESTRUCTOR_COUNT__,
segment = RODATA;
CONDES: type = interruptor,
label = __INTERRUPTOR_TABLE__,
count = __INTERRUPTOR_COUNT__,
segment = RODATA,
import = __CALLIRQ__;
}

13
cfg/atarixl.cfg
View File

@ -38,11 +38,14 @@ MEMORY {
# defines entry point into program # defines entry point into program
TRAILER: file = %O, start = $0000, size = $0006; TRAILER: file = %O, start = $0000, size = $0006;
# address of relocated character generator # memory beneath the ROM preceeding the character generator
CHARGEN: file = "", define = yes, start = $D800, size = $0400; HIDDEN_RAM2: file = "", define = yes, start = $D800, size = $0800;
# address of relocated character generator (same addess as ROM version)
CHARGEN: file = "", define = yes, start = $E000, size = $0400;
# memory beneath the ROM # memory beneath the ROM
HIDDEN_RAM: file = "", define = yes, start = $DC00, size = $FFF0 - $DC00; HIDDEN_RAM: file = "", define = yes, start = $E400, size = $FFF0 - $E400;
} }
SEGMENTS { SEGMENTS {
@ -56,8 +59,8 @@ SEGMENTS {
SAVEAREA: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREP and RAM SAVEAREA: load = SRPREPCHNK, type = bss, define = yes; # shared btw. SRPREP and RAM
LOWDATA: load = SRPREPCHNK, type = bss, define = yes; # " " " " " " " " LOWDATA: load = SRPREPCHNK, type = bss, define = yes; # " " " " " " " "
SRPREP: load = SRPREPCHNK, type = rw, define = yes; SRPREP: load = SRPREPCHNK, type = rw, define = yes;
SHADOW_RAM: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes; SHADOW_RAM: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes;
SHADOW_RAM2: load = SRPREPCHNK, run = HIDDEN_RAM, type = rw, define = yes, optional = yes; SHADOW_RAM2: load = SRPREPCHNK, run = HIDDEN_RAM2, type = rw, define = yes, optional = yes;
SRPREPTRL: load = SRPREPTRL, type = ro; SRPREPTRL: load = SRPREPTRL, type = ro;
MAINHDR: load = MAINHDR, type = ro; MAINHDR: load = MAINHDR, type = ro;