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atarixl configs: make size of CHARGEN configurable

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If text mode is not used, its space can be reclaimed by setting __CHARGENSIZE__
to 0.
Following a suggestion from issue #1314.
This commit is contained in:
Christian Groessler
2020-10-29 16:19:38 +01:00
committed by Oliver Schmidt
parent a686988d0e
commit 944ebbc23c
4 changed files with 62 additions and 58 deletions
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21
cfg/atarixl-xex.cfg
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@@ -4,35 +4,36 @@ FEATURES {
STARTADDRESS: default = $2400;
}
SYMBOLS {
__SYSTEM_CHECK__: type = import; # force inclusion of "system check" load chunk
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__SYSTEM_CHECK__: type = import; # force inclusion of "system check" load chunk
__STACKSIZE__: type = weak, value = $0800; # 2k stack
__STARTADDRESS__: type = export, value = %S;
__CHARGENSIZE__: type = weak, value = $0400;
__SYSCHKHDR__: type = export, value = 0; # Disable system check header
__SYSCHKTRL__: type = export, value = 0; # Disable system check trailer
}
MEMORY {
ZP: file = "", define = yes, start = $0082, size = $007E;
ZP: file = "", define = yes, start = $0082, size = $007E;
# "system check" load chunk
SYSCHKCHNK: file = %O, start = $2E00, size = $0300;
SYSCHKCHNK: file = %O, start = $2E00, size = $0300;
# "shadow RAM preparation" load chunk
SRPREPCHNK: file = %O, define = yes, 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
# "main program" load chunk
MAIN: file = %O, define = yes, start = %S + __LOWBSS_SIZE__, size = $D000 - __STACKSIZE__ - %S - __LOWBSS_SIZE__;
MAIN: file = %O, define = yes, start = %S + __LOWBSS_SIZE__, size = $D000 - __STACKSIZE__ - %S - __LOWBSS_SIZE__;
# memory beneath the ROM preceeding the character generator
HIDDEN_RAM2: file = "", define = yes, start = $D800, size = $0800;
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;
CHARGEN: file = "", define = yes, start = $E000, size = __CHARGENSIZE__;
# memory beneath the ROM
HIDDEN_RAM: file = "", define = yes, start = $E400, size = $FFFA - $E400;
HIDDEN_RAM: file = "", define = yes, start = $E000 + __CHARGENSIZE__, size = $FFFA - $E000 - __CHARGENSIZE__;
# UNUSED - hide
UNUSED: file = "", start = $0, size = $10;
UNUSED: file = "", start = $0, size = $10;
}
FILES {
%O: format = atari;