compression_test: missed some files
This commit is contained in:
parent
bff16e6de7
commit
7771f2d660
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@ -23,7 +23,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
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FLAME_HGR.BAS RECT.BAS SNOWY.BAS EDGAR.BAS OOPS4.BAS OOPS3.BAS \
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FLAME_HGR.BAS RECT.BAS SNOWY.BAS EDGAR.BAS OOPS4.BAS OOPS3.BAS \
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HORROR.BAS DIAMOND.BAS LEMM.BAS OOPS.BAS SPLIT.BAS PARTICLE.BAS \
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HORROR.BAS DIAMOND.BAS LEMM.BAS OOPS.BAS SPLIT.BAS PARTICLE.BAS \
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PARTICLE_HGR.BAS DIAMOND_SCROLL.BAS RANDOM_SCROLL.BAS STAR_BOUNCE.BAS\
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PARTICLE_HGR.BAS DIAMOND_SCROLL.BAS RANDOM_SCROLL.BAS STAR_BOUNCE.BAS\
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OOZE.BAS
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OOZE.BAS HORIZ_STAR.BAS
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# cp $(EMPTY_DISK)/empty.dsk appleiibot.dsk
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# cp $(EMPTY_DISK)/empty.dsk appleiibot.dsk
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cp empty.dsk appleiibot.dsk
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cp empty.dsk appleiibot.dsk
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$(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
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$(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
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@ -124,6 +124,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
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$(DOS33) -y appleiibot.dsk SAVE A RANDOM_SCROLL.BAS
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$(DOS33) -y appleiibot.dsk SAVE A RANDOM_SCROLL.BAS
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$(DOS33) -y appleiibot.dsk SAVE A STAR_BOUNCE.BAS
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$(DOS33) -y appleiibot.dsk SAVE A STAR_BOUNCE.BAS
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$(DOS33) -y appleiibot.dsk SAVE A OOZE.BAS
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$(DOS33) -y appleiibot.dsk SAVE A OOZE.BAS
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$(DOS33) -y appleiibot.dsk SAVE A HORIZ_STAR.BAS
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####
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####
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@ -695,6 +696,11 @@ STAR_BOUNCE.BAS: star_bounce.bas
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OOZE.BAS: ooze.bas
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OOZE.BAS: ooze.bas
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$(TOKENIZE) < ooze.bas > OOZE.BAS
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$(TOKENIZE) < ooze.bas > OOZE.BAS
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####
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HORIZ_STAR.BAS: horiz_star.bas
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$(TOKENIZE) < horiz_star.bas > HORIZ_STAR.BAS
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####
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####
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@ -0,0 +1,2 @@
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1FORI=0TO135:POKE880+I,4*PEEK(2125+I)-204+(PEEK(2261+I/3)-35)/4^(I-INT(I/3)*3):NEXT
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2&"/@q<GcV2Tq]3]E;`q[<Y9dj3I2ES77U8rf2m2M3ES?&ZA=]3W=U1i]`VZ*`m'<98\=Dj3T=\m`o'X4EEW'ZrW=MU7parg)Z_JW3\j3`Z3QrM4L3e9gX]G;]rgU:/8<8;;;Gq;FO3S+@*%0&\;#3AE$Z'$;*JV'\$:V%W$#1XT]W07$)#CP.&#&
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@ -48,7 +48,7 @@ level5.lzsa: level5.hgr
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###
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###
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EXOMIZER_TEST: exomizer_test.o
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EXOMIZER_TEST: exomizer_test.o
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ld65 -o EXOMIZER_TEST exomizer_test.o -C $(LINKERSCRIPTS)/apple2_6000.inc
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ld65 -o EXOMIZER_TEST exomizer_test.o -DFORWARD_DECRUNCHING=1 -C $(LINKERSCRIPTS)/apple2_6000.inc
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exomizer_test.o: exomizer_test.s exodecrunch.s level5.exo
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exomizer_test.o: exomizer_test.s exodecrunch.s level5.exo
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ca65 -o exomizer_test.o exomizer_test.s -l exomizer_test.lst
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ca65 -o exomizer_test.o exomizer_test.s -l exomizer_test.lst
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@ -57,8 +57,10 @@ exomizer_test.o: exomizer_test.s exodecrunch.s level5.exo
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level5.exo: level5.hgr
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level5.exo: level5.hgr
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# $(EXOMIZER) mem level5.hgr -o level5.exo
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# $(EXOMIZER) mem level5.hgr -o level5.exo
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$(EXOMIZER) mem -l "$$6000" "level5.hgr,$$2000" -o level5.exo
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# $(EXOMIZER) mem -l "$$6000" "level5.hgr,$$2000" -o level5.exo
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# $(EXOMIZER) mem -q -P23 -lnone level5.hgr@0x2000 -o level5.exo
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# $(EXOMIZER) mem -q -P23 -lnone level5.hgr@0x4000 -o level5.exo
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$(EXOMIZER) raw -q -P23 level5.hgr -o level5.exo
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###
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###
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@ -1,5 +1,16 @@
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; Modified from the Total Replay version back to compiling with ca65
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; This source code is altered and is not the original version found on
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; the Exomizer homepage.
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; It contains modifications made by qkumba to work with ACME assembler.
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;!cpu 6502
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;!to "DECRUNCH",plain
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;*=$200
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;*=$6000
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;
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;
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; Copyright (c) 2002 - 2020 Magnus Lind.
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; Copyright (c) 2002 - 2018 Magnus Lind.
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;
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;
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; This software is provided 'as-is', without any express or implied warranty.
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; This software is provided 'as-is', without any express or implied warranty.
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; In no event will the authors be held liable for any damages arising from
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; In no event will the authors be held liable for any damages arising from
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@ -23,64 +34,6 @@
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; used to endorse or promote products derived from this software without
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; used to endorse or promote products derived from this software without
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; specific prior written permission.
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; specific prior written permission.
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;
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;
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; -------------------------------------------------------------------
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; Known quirks:
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; Can't handle a sequence reference that ends at $ffff. It is left in
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; since it is a corner case and fixing it impacts negatively on
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; performance or backwards compatibility.
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; A simple way to work around this is to not decrunch to address $ffff.
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; -------------------------------------------------------------------
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; Controls if the shared get_bits routines should be inlined or not.
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;INLINE_GET_BITS=1
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.IFNDEF INLINE_GET_BITS
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INLINE_GET_BITS = 0
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.ENDIF
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; -------------------------------------------------------------------
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; if literal sequences is not used (the data was crunched with the -c
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; flag) then the following line can be uncommented for shorter and.
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; slightly faster code.
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;LITERAL_SEQUENCES_NOT_USED = 1
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.IFNDEF LITERAL_SEQUENCES_NOT_USED
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LITERAL_SEQUENCES_NOT_USED = 0
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.ENDIF
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; -------------------------------------------------------------------
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; if the sequence length is limited to 256 (the data was crunched with
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; the -M256 flag) then the following line can be uncommented for
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; shorter and slightly faster code.
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;MAX_SEQUENCE_LENGTH_256 = 1
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.IFNDEF MAX_SEQUENCE_LENGTH_256
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MAX_SEQUENCE_LENGTH_256 = 0
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.ENDIF
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; -------------------------------------------------------------------
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; if the sequence length 3 has its own offset table (the data was
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; crunched with the -P+16 flag) then the following
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; line must be uncommented.
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;EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE = 1
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.IFNDEF EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE
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EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE = 0
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.ENDIF
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; -------------------------------------------------------------------
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; if sequence offsets are not reused (the data was crunched with the
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; -P-32 flag) then the following line must be uncommented. Uncommenting the
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; line will also result in shorter and slightly faster code.
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;DONT_REUSE_OFFSET = 1
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.IFNDEF DONT_REUSE_OFFSET
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DONT_REUSE_OFFSET = 0
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.ENDIF
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; -------------------------------------------------------------------
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; if decrunching forwards then the following line must be uncommented.
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;DECRUNCH_FORWARDS = 1
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.IFNDEF DECRUNCH_FORWARDS
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DECRUNCH_FORWARDS = 0
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.ENDIF
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; -------------------------------------------------------------------
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; if split encoding is used (the data is crunched with the -E flag)
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; then the following line must be uncommented.
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;ENABLE_SPLIT_ENCODING = 1
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.IFNDEF ENABLE_SPLIT_ENCODING
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ENABLE_SPLIT_ENCODING = 0
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.ENDIF
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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; The decruncher jsr:s to the get_crunched_byte address when it wants to
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; The decruncher jsr:s to the get_crunched_byte address when it wants to
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; read a crunched byte into A. This subroutine has to preserve X and Y
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; read a crunched byte into A. This subroutine has to preserve X and Y
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@ -88,65 +41,68 @@ ENABLE_SPLIT_ENCODING = 0
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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;.import get_crunched_byte
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;.import get_crunched_byte
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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; This function is the heart of the decruncher. (for non split crunched files)
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; this function is the heart of the decruncher.
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; It initializes the decruncher zeropage locations and precalculates the
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; It initializes the decruncher zeropage locations and precalculates the
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; decrunch tables and decrunches the data
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; decrunch tables and decrunches the data
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; This function will not change the interrupt status bit and it will not
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; This function will not change the interrupt status bit and it will not
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; modify the memory configuration.
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; modify the memory configuration.
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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.export decrunch
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;.export decrunch
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.IF ENABLE_SPLIT_ENCODING <> 0
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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; To decrunch files crunched with the split feature (-E) you can't use the
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; Controls if the shared get_bits routines should be inlined or not.
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; decrunch function. Instead you call the split_decrunch function. But you
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;INLINE_GET_BITS=1
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; can only do this if the decrunch table contains the encoding used by the
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; file you are decrunching. To generate the correct content for the decrunch
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; table call set the get_crunched_byte function to point to the encoding data
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; and then call the split_gentable function.
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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.export split_gentable
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; if literal sequences is not used (the data was crunched with the -c
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.export split_decrunch
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; flag) then the following line can be uncommented for shorter and.
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.ENDIF
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; slightly faster code.
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;LITERAL_SEQUENCES_NOT_USED = 1
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; -------------------------------------------------------------------
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; if the sequence length is limited to 256 (the data was crunched with
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; the -M256 flag) then the following line can be uncommented for
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; shorter and slightly faster code.
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;MAX_SEQUENCE_LENGTH_256 = 1
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; -------------------------------------------------------------------
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; if the sequence length 3 has its own offset table then the following
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; line can be uncommented for in some situations slightly better
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; compression at the cost of a larger decrunch table.
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EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE = 1
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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; zero page addresses used
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; zero page addresses used
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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zp_len_lo = $9e
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zp_len_lo = $a7
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zp_len_hi = $9f
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zp_len_hi = $a8
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zp_src_lo = $ae
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zp_src_lo = $ae
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zp_src_hi = zp_src_lo + 1
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zp_src_hi = zp_src_lo + 1
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zp_bits_hi = $a7
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zp_bits_hi = $fc
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.IF DONT_REUSE_OFFSET = 0
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zp_ro_state = $a8
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.ENDIF
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zp_bitbuf = $fd
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zp_bitbuf = $fd
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zp_dest_lo = zp_bitbuf + 1 ; dest addr lo
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zp_dest_lo = zp_bitbuf + 1 ; dest addr lo
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zp_dest_hi = zp_bitbuf + 2 ; dest addr hi
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zp_dest_hi = zp_bitbuf + 2 ; dest addr hi
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.IF EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE <> 0
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.ifdef EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE
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encoded_entries = 68
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encoded_entries = 68
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.ELSE
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.else
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encoded_entries = 52
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encoded_entries = 52
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.ENDIF
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.endif
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tabl_bi = decrunch_table
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tabl_bi = decrunch_table
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tabl_lo = decrunch_table + encoded_entries
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tabl_lo = decrunch_table + encoded_entries
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tabl_hi = decrunch_table + encoded_entries * 2
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tabl_hi = decrunch_table + encoded_entries * 2
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;; refill bits is always inlined
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;; refill bits is always inlined
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.MACRO mac_refill_bits
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.macro mac_refill_bits
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pha
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pha
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jsr get_crunched_byte
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jsr get_crunched_byte
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rol
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rol
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sta zp_bitbuf
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sta zp_bitbuf
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pla
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pla
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.ENDMACRO
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.endmacro
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.MACRO mac_get_bits
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.ifdef INLINE_GET_BITS
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.IF INLINE_GET_BITS <> 0
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.macro mac_get_bits
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.SCOPE
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adc #$80 ; needs c=0, affects v
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adc #$80 ; needs c=0, affects v
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asl
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asl
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bpl gb_skip
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bpl gb_skip
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sta zp_bits_hi
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sta zp_bits_hi
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jsr get_crunched_byte
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jsr get_crunched_byte
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skip:
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skip:
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.ENDSCOPE
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.endmacro
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.ELSE
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.else
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.macro mac_get_bits
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jsr get_bits
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jsr get_bits
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.ENDIF
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.endmacro
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.ENDMACRO
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.endif
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.MACRO mac_init_zp
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.SCOPE
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; -------------------------------------------------------------------
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; init zeropage and x reg. (8 bytes)
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;
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init_zp:
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jsr get_crunched_byte
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sta zp_bitbuf - 1,x
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dex
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bne init_zp
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.ENDSCOPE
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.ENDMACRO
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.IF INLINE_GET_BITS = 0
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get_bits:
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adc #$80 ; needs c=0, affects v
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asl
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bpl gb_skip
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gb_next:
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asl zp_bitbuf
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bne gb_ok
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mac_refill_bits
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gb_ok:
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rol
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bmi gb_next
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gb_skip:
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bvs gb_get_hi
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rts
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gb_get_hi:
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sec
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sta zp_bits_hi
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jmp get_crunched_byte
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.ENDIF
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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; no code below this comment has to be modified in order to generate
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; no code below this comment has to be modified in order to generate
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; a working decruncher of this source file.
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; a working decruncher of this source file.
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@ -214,25 +138,22 @@ gb_get_hi:
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; jsr this label to decrunch, it will in turn init the tables and
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; jsr this label to decrunch, it will in turn init the tables and
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; call the decruncher
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; call the decruncher
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; no constraints on register content, however the
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; no constraints on register content, however the
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; decimal flag has to be cleared (it almost always is, otherwise do a cld)
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; decimal flag has to be #0 (it almost always is, otherwise do a cld)
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decrunch:
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decrunch:
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.IF ENABLE_SPLIT_ENCODING <> 0
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ldx #3
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jsr internal_gentable
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jmp normal_decrunch
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split_gentable:
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ldx #1
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internal_gentable:
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jsr split_init_zp
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.ELSE
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ldx #3
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mac_init_zp
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.ENDIF
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; -------------------------------------------------------------------
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; -------------------------------------------------------------------
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; calculate tables (64 bytes) + get_bits macro
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; init zeropage, x and y regs. (12 bytes)
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; x must be #0 when entering
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;
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;
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ldy #0
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ldy #0
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ldx #3
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init_zp:
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jsr get_crunched_byte
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sta zp_bitbuf - 1,x
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dex
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bne init_zp
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; -------------------------------------------------------------------
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; calculate tables (62 bytes) + get_bits macro
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; x and y must be #0 when entering
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;
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clc
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clc
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table_gen:
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table_gen:
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tax
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tax
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@ -271,7 +192,7 @@ rolled:
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bmi no_fixup_lohi
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bmi no_fixup_lohi
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lda zp_len_hi
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lda zp_len_hi
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stx zp_len_hi
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stx zp_len_hi
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.BYTE $24
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.byte $24
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no_fixup_lohi:
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no_fixup_lohi:
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||||||
txa
|
txa
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
|
@ -279,57 +200,26 @@ no_fixup_lohi:
|
||||||
cpy #encoded_entries
|
cpy #encoded_entries
|
||||||
bne table_gen
|
bne table_gen
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
.IF ENABLE_SPLIT_ENCODING <> 0
|
|
||||||
rts
|
|
||||||
split_decrunch:
|
|
||||||
ldx #3
|
|
||||||
jsr split_init_zp
|
|
||||||
; X reg must be 0 here
|
|
||||||
sec
|
|
||||||
normal_decrunch:
|
|
||||||
.ENDIF
|
|
||||||
; -------------------------------------------------------------------
|
|
||||||
; prepare for main decruncher
|
; prepare for main decruncher
|
||||||
.IF DONT_REUSE_OFFSET = 0
|
|
||||||
ror zp_ro_state
|
|
||||||
sec
|
|
||||||
.ENDIF
|
|
||||||
ldy zp_dest_lo
|
ldy zp_dest_lo
|
||||||
stx zp_dest_lo
|
stx zp_dest_lo
|
||||||
stx zp_bits_hi
|
stx zp_bits_hi
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; copy one literal byte to destination (11 bytes)
|
; copy one literal byte to destination (11(10) bytes)
|
||||||
;
|
;
|
||||||
literal_start1:
|
literal_start1:
|
||||||
.IF DECRUNCH_FORWARDS = 0
|
|
||||||
tya
|
tya
|
||||||
bne no_hi_decr
|
bne no_hi_decr
|
||||||
dec zp_dest_hi
|
dec zp_dest_hi
|
||||||
.IF DONT_REUSE_OFFSET = 0
|
|
||||||
dec zp_src_hi
|
|
||||||
.ENDIF
|
|
||||||
no_hi_decr:
|
no_hi_decr:
|
||||||
dey
|
dey
|
||||||
.ENDIF
|
|
||||||
jsr get_crunched_byte
|
jsr get_crunched_byte
|
||||||
sta (zp_dest_lo),y
|
sta (zp_dest_lo),y
|
||||||
.IF DECRUNCH_FORWARDS <> 0
|
|
||||||
iny
|
|
||||||
bne skip_hi_incr
|
|
||||||
inc zp_dest_hi
|
|
||||||
.IF DONT_REUSE_OFFSET = 0
|
|
||||||
inc zp_src_hi
|
|
||||||
.ENDIF
|
|
||||||
skip_hi_incr:
|
|
||||||
.ENDIF
|
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; fetch sequence length index (15 bytes)
|
; fetch sequence length index (15 bytes)
|
||||||
; x must be #0 when entering and contains the length index + 1
|
; x must be #0 when entering and contains the length index + 1
|
||||||
; when exiting or 0 for literal byte
|
; when exiting or 0 for literal byte
|
||||||
next_round:
|
next_round:
|
||||||
.IF DONT_REUSE_OFFSET = 0
|
|
||||||
ror zp_ro_state
|
|
||||||
.ENDIF
|
|
||||||
dex
|
dex
|
||||||
lda zp_bitbuf
|
lda zp_bitbuf
|
||||||
no_literal1:
|
no_literal1:
|
||||||
|
@ -349,13 +239,13 @@ nofetch8:
|
||||||
; check for decrunch done and literal sequences (4 bytes)
|
; check for decrunch done and literal sequences (4 bytes)
|
||||||
;
|
;
|
||||||
cpx #$11
|
cpx #$11
|
||||||
.IF INLINE_GET_BITS <> 0
|
.ifdef INLINE_GET_BITS
|
||||||
bcc skip_jmp
|
bcc skip_jmp
|
||||||
jmp exit_or_lit_seq
|
jmp exit_or_lit_seq
|
||||||
skip_jmp:
|
skip_jmp:
|
||||||
.ELSE
|
.else
|
||||||
bcs exit_or_lit_seq
|
bcs exit_or_lit_seq
|
||||||
.ENDIF
|
.endif
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; calulate length of sequence (zp_len) (18(11) bytes) + get_bits macro
|
; calulate length of sequence (zp_len) (18(11) bytes) + get_bits macro
|
||||||
;
|
;
|
||||||
|
@ -363,7 +253,7 @@ skip_jmp:
|
||||||
mac_get_bits
|
mac_get_bits
|
||||||
adc tabl_lo - 1,x ; we have now calculated zp_len_lo
|
adc tabl_lo - 1,x ; we have now calculated zp_len_lo
|
||||||
sta zp_len_lo
|
sta zp_len_lo
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 = 0
|
.ifndef MAX_SEQUENCE_LENGTH_256
|
||||||
lda zp_bits_hi
|
lda zp_bits_hi
|
||||||
adc tabl_hi - 1,x ; c = 0 after this.
|
adc tabl_hi - 1,x ; c = 0 after this.
|
||||||
sta zp_len_hi
|
sta zp_len_hi
|
||||||
|
@ -372,32 +262,15 @@ skip_jmp:
|
||||||
; z-flag reflects zp_len_hi here
|
; z-flag reflects zp_len_hi here
|
||||||
;
|
;
|
||||||
ldx zp_len_lo
|
ldx zp_len_lo
|
||||||
.ELSE
|
.else
|
||||||
tax
|
tax
|
||||||
.ENDIF
|
.endif
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 = 0
|
|
||||||
lda #0
|
|
||||||
.ENDIF
|
|
||||||
.IF DONT_REUSE_OFFSET = 0
|
|
||||||
; -------------------------------------------------------------------
|
|
||||||
; here we decide to reuse latest offset or not (13(15) bytes)
|
|
||||||
;
|
|
||||||
bit <zp_ro_state
|
|
||||||
bmi test_reuse
|
|
||||||
no_reuse:
|
|
||||||
.ENDIF
|
|
||||||
; -------------------------------------------------------------------
|
|
||||||
; here we decide what offset table to use (17(15) bytes)
|
|
||||||
;
|
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 = 0
|
|
||||||
sta <zp_bits_hi
|
|
||||||
.ENDIF
|
|
||||||
lda #$e1
|
lda #$e1
|
||||||
.IF EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE <> 0
|
.ifdef EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE
|
||||||
cpx #$04
|
cpx #$04
|
||||||
.ELSE
|
.else
|
||||||
cpx #$03
|
cpx #$03
|
||||||
.ENDIF
|
.endif
|
||||||
bcs gbnc2_next
|
bcs gbnc2_next
|
||||||
lda tabl_bit - 1,x
|
lda tabl_bit - 1,x
|
||||||
gbnc2_next:
|
gbnc2_next:
|
||||||
|
@ -413,163 +286,172 @@ gbnc2_ok:
|
||||||
bcs gbnc2_next
|
bcs gbnc2_next
|
||||||
tax
|
tax
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; calulate absolute offset (zp_src) (17 bytes) + get_bits macro
|
; calulate absolute offset (zp_src) (21(23) bytes) + get_bits macro
|
||||||
;
|
;
|
||||||
|
.ifndef MAX_SEQUENCE_LENGTH_256
|
||||||
|
lda #0
|
||||||
|
sta zp_bits_hi
|
||||||
|
.endif
|
||||||
lda tabl_bi,x
|
lda tabl_bi,x
|
||||||
mac_get_bits
|
mac_get_bits
|
||||||
.IF DECRUNCH_FORWARDS = 0
|
|
||||||
adc tabl_lo,x
|
adc tabl_lo,x
|
||||||
sta zp_src_lo
|
sta zp_src_lo
|
||||||
lda zp_bits_hi
|
lda zp_bits_hi
|
||||||
adc tabl_hi,x
|
adc tabl_hi,x
|
||||||
adc zp_dest_hi
|
adc zp_dest_hi
|
||||||
sta zp_src_hi
|
sta zp_src_hi
|
||||||
.ELSE
|
|
||||||
clc
|
|
||||||
adc tabl_lo,x
|
|
||||||
eor #$ff
|
|
||||||
sta zp_src_lo
|
|
||||||
lda zp_bits_hi
|
|
||||||
adc tabl_hi,x
|
|
||||||
eor #$ff
|
|
||||||
adc zp_dest_hi
|
|
||||||
sta zp_src_hi
|
|
||||||
clc
|
|
||||||
.ENDIF
|
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; prepare for copy loop (2 bytes)
|
; prepare for copy loop (2 bytes)
|
||||||
;
|
;
|
||||||
|
pre_copy:
|
||||||
ldx zp_len_lo
|
ldx zp_len_lo
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; main copy loop (30 bytes)
|
; main copy loop (30 bytes)
|
||||||
;
|
;
|
||||||
copy_next:
|
copy_next:
|
||||||
.IF DECRUNCH_FORWARDS = 0
|
|
||||||
tya
|
tya
|
||||||
bne copy_skip_hi
|
bne copy_skip_hi
|
||||||
dec zp_dest_hi
|
dec zp_dest_hi
|
||||||
dec zp_src_hi
|
dec zp_src_hi
|
||||||
copy_skip_hi:
|
copy_skip_hi:
|
||||||
dey
|
dey
|
||||||
.ENDIF
|
.ifndef LITERAL_SEQUENCES_NOT_USED
|
||||||
.IF LITERAL_SEQUENCES_NOT_USED = 0
|
|
||||||
bcs get_literal_byte
|
bcs get_literal_byte
|
||||||
.ENDIF
|
.endif
|
||||||
lda (zp_src_lo),y
|
lda (zp_src_lo),y
|
||||||
literal_byte_gotten:
|
literal_byte_gotten:
|
||||||
sta (zp_dest_lo),y
|
sta (zp_dest_lo),y
|
||||||
.IF DECRUNCH_FORWARDS <> 0
|
|
||||||
iny
|
|
||||||
bne copy_skip_hi
|
|
||||||
inc zp_dest_hi
|
|
||||||
inc zp_src_hi
|
|
||||||
copy_skip_hi:
|
|
||||||
.ENDIF
|
|
||||||
dex
|
dex
|
||||||
bne copy_next
|
bne copy_next
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 = 0
|
.ifndef MAX_SEQUENCE_LENGTH_256
|
||||||
lda zp_len_hi
|
lda zp_len_hi
|
||||||
.IF INLINE_GET_BITS <> 0
|
.ifdef INLINE_GET_BITS
|
||||||
bne copy_next_hi
|
bne copy_next_hi
|
||||||
.ENDIF
|
.endif
|
||||||
.ENDIF
|
.endif
|
||||||
|
begin_stx:
|
||||||
stx zp_bits_hi
|
stx zp_bits_hi
|
||||||
.IF INLINE_GET_BITS = 0
|
.ifndef INLINE_GET_BITS
|
||||||
beq next_round
|
beq next_round
|
||||||
.ELSE
|
.else
|
||||||
jmp next_round
|
jmp next_round
|
||||||
.ENDIF
|
.endif
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 = 0
|
.ifndef MAX_SEQUENCE_LENGTH_256
|
||||||
copy_next_hi:
|
copy_next_hi:
|
||||||
dec zp_len_hi
|
dec zp_len_hi
|
||||||
jmp copy_next
|
jmp copy_next
|
||||||
.ENDIF
|
.endif
|
||||||
.IF DONT_REUSE_OFFSET = 0
|
.ifndef LITERAL_SEQUENCES_NOT_USED
|
||||||
; -------------------------------------------------------------------
|
get_literal_byte:
|
||||||
; test for offset reuse (11 bytes)
|
|
||||||
;
|
|
||||||
test_reuse:
|
|
||||||
bvs no_reuse
|
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 <> 0
|
|
||||||
lda #$00 ; fetch one bit
|
|
||||||
.ENDIF
|
|
||||||
asl zp_bitbuf
|
|
||||||
bne gbnc1_ok
|
|
||||||
pha
|
|
||||||
jsr get_crunched_byte
|
jsr get_crunched_byte
|
||||||
rol
|
bcs literal_byte_gotten
|
||||||
sta zp_bitbuf
|
.endif
|
||||||
pla
|
|
||||||
gbnc1_ok:
|
|
||||||
rol
|
|
||||||
beq no_reuse ; bit == 0 => C=0, no reuse
|
|
||||||
bne copy_next ; bit != 0 => C=0, reuse previous offset
|
|
||||||
.ENDIF
|
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; exit or literal sequence handling (16(12) bytes)
|
; exit or literal sequence handling (16(12) bytes)
|
||||||
;
|
;
|
||||||
exit_or_lit_seq:
|
exit_or_lit_seq:
|
||||||
.IF LITERAL_SEQUENCES_NOT_USED = 0
|
.ifndef LITERAL_SEQUENCES_NOT_USED
|
||||||
beq decr_exit
|
beq decr_exit
|
||||||
jsr get_crunched_byte
|
jsr get_crunched_byte
|
||||||
.IF MAX_SEQUENCE_LENGTH_256 = 0
|
.ifndef MAX_SEQUENCE_LENGTH_256
|
||||||
sta zp_len_hi
|
sta zp_len_hi
|
||||||
.ENDIF
|
.endif
|
||||||
jsr get_crunched_byte
|
jsr get_crunched_byte
|
||||||
tax
|
tax
|
||||||
bcs copy_next
|
bcs copy_next
|
||||||
decr_exit:
|
decr_exit:
|
||||||
.ENDIF
|
.endif
|
||||||
rts
|
rts
|
||||||
.IF LITERAL_SEQUENCES_NOT_USED = 0
|
.ifdef EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE
|
||||||
get_literal_byte:
|
|
||||||
jsr get_crunched_byte
|
|
||||||
bcs literal_byte_gotten
|
|
||||||
.ENDIF
|
|
||||||
.IF EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE <> 0
|
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; the static stable used for bits+offset for lengths 1, 2 and 3 (3 bytes)
|
; the static stable used for bits+offset for lengths 1, 2 and 3 (3 bytes)
|
||||||
; bits 2, 4, 4 and offsets 64, 48, 32 corresponding to
|
; bits 2, 4, 4 and offsets 64, 48, 32 corresponding to
|
||||||
; %10010000, %11100011, %11100010
|
; %10010000, %11100011, %11100010
|
||||||
tabl_bit:
|
tabl_bit:
|
||||||
.BYTE $90, $e3, $e2
|
.byte $90, $e3, $e2
|
||||||
.ELSE
|
.else
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; the static stable used for bits+offset for lengths 1 and 2 (2 bytes)
|
; the static stable used for bits+offset for lengths 1 and 2 (2 bytes)
|
||||||
; bits 2, 4 and offsets 48, 32 corresponding to %10001100, %11100010
|
; bits 2, 4 and offsets 48, 32 corresponding to %10001100, %11100010
|
||||||
tabl_bit:
|
tabl_bit:
|
||||||
.BYTE $8c, $e2
|
.byte $8c, $e2
|
||||||
.ENDIF
|
.endif
|
||||||
|
|
||||||
.IF ENABLE_SPLIT_ENCODING <> 0
|
|
||||||
split_init_zp:
|
|
||||||
mac_init_zp
|
|
||||||
rts
|
|
||||||
.ENDIF
|
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; end of decruncher
|
; end of decruncher
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
|
|
||||||
|
.ifndef INLINE_GET_BITS
|
||||||
|
get_bits:
|
||||||
|
adc #$80 ; needs c=0, affects v
|
||||||
|
asl
|
||||||
|
bpl gb_skip
|
||||||
|
gb_next:
|
||||||
|
asl zp_bitbuf
|
||||||
|
bne gb_ok
|
||||||
|
mac_refill_bits
|
||||||
|
gb_ok:
|
||||||
|
rol
|
||||||
|
bmi gb_next
|
||||||
|
gb_skip:
|
||||||
|
bvs gb_get_hi
|
||||||
|
rts
|
||||||
|
gb_get_hi:
|
||||||
|
sec
|
||||||
|
sta zp_bits_hi
|
||||||
|
; fall through
|
||||||
|
.endif
|
||||||
|
get_crunched_byte:
|
||||||
|
lda _byte_lo
|
||||||
|
bne _byte_skip_hi
|
||||||
|
dec _byte_hi
|
||||||
|
_byte_skip_hi:
|
||||||
|
dec _byte_lo
|
||||||
|
_byte_lo = * + 1
|
||||||
|
_byte_hi = * + 2
|
||||||
|
lda $d1d1 ; needs to be set correctly before
|
||||||
|
; decrunch_file is called.
|
||||||
|
rts
|
||||||
|
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; this 156 (204) byte table area may be relocated. It may also be
|
; this 156 (204) byte table area may be relocated. It may also be
|
||||||
; clobbered by other data between decrunches.
|
; clobbered by other data between decrunches.
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
decrunch_table:
|
decrunch_table:
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
;!warn "entry=",*
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
pla
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
tay
|
||||||
.IF EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE <> 0
|
pla
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
tax
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
clc
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
pla
|
||||||
.ENDIF
|
adc #$F8
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
sta _byte_lo
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
pla
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
sta zp_bitbuf
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
pla
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
adc zp_bitbuf
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
sta _byte_hi
|
||||||
.byte 0,0,0,0,0,0,0,0,0,0,0,0
|
txa
|
||||||
|
pha
|
||||||
|
tya
|
||||||
|
pha
|
||||||
|
jmp decrunch
|
||||||
|
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;;.IFDEF EXTRA_TABLE_ENTRY_FOR_LENGTH_THREE
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;;.ENDIF
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
|
;; .byte 0,0,0,0,0,0,0,0,0,0,0,0
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
; end of decruncher
|
; end of decruncher
|
||||||
; -------------------------------------------------------------------
|
; -------------------------------------------------------------------
|
||||||
|
|
|
@ -4,8 +4,8 @@ KEYPRESS = $C000
|
||||||
KEYRESET = $C010
|
KEYRESET = $C010
|
||||||
|
|
||||||
;; SOFT SWITCHES
|
;; SOFT SWITCHES
|
||||||
CLR80COL = $C000 ; PAGE0/PAGE1 normal
|
CLR80COL = $C000 ; PAGE1/PAGE2 normal
|
||||||
SET80COL = $C001 ; PAGE0/PAGE1 switches PAGE0 in Aux instead
|
SET80COL = $C001 ; PAGE1/PAGE2 switches PAGE1 in Aux instead
|
||||||
EIGHTYCOLOFF = $C00C
|
EIGHTYCOLOFF = $C00C
|
||||||
EIGHTYCOLON = $C00D
|
EIGHTYCOLON = $C00D
|
||||||
VBLANK = $C019 ; IIe *not* RDVBL (VBL low), IIgs opposite
|
VBLANK = $C019 ; IIe *not* RDVBL (VBL low), IIgs opposite
|
||||||
|
@ -20,8 +20,8 @@ SET_GR = $C050
|
||||||
SET_TEXT = $C051
|
SET_TEXT = $C051
|
||||||
FULLGR = $C052
|
FULLGR = $C052
|
||||||
TEXTGR = $C053
|
TEXTGR = $C053
|
||||||
PAGE0 = $C054
|
PAGE1 = $C054
|
||||||
PAGE1 = $C055
|
PAGE2 = $C055
|
||||||
LORES = $C056 ; Enable LORES graphics
|
LORES = $C056 ; Enable LORES graphics
|
||||||
HIRES = $C057 ; Enable HIRES graphics
|
HIRES = $C057 ; Enable HIRES graphics
|
||||||
CLRAN1 = $C05A ; clear annunciator 1 (if IOUDIS off)
|
CLRAN1 = $C05A ; clear annunciator 1 (if IOUDIS off)
|
||||||
|
|
Loading…
Reference in New Issue