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lovebyte23: breakthrough on the agony
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18c512d502
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2ed3a07465
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@ -10,7 +10,7 @@ all: shape_table.dsk
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shape_table.dsk: HELLO APPLE.BAS GEARS.BAS \
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APPLE2 GEARS LINE32 PATTERN PATTERN_LOGO SQUARE_WAVE \
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AGONY17 HERRING16 STRIPE17 COOL_WAVE TEETH32 TICK_TOCK \
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GEARS_TINY
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GEARS_TINY AGONY2
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cp $(EMPTYDISK) shape_table.dsk
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$(DOS33) -y shape_table.dsk SAVE A HELLO
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$(DOS33) -y shape_table.dsk SAVE A GEARS.BAS
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@ -20,6 +20,7 @@ shape_table.dsk: HELLO APPLE.BAS GEARS.BAS \
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$(DOS33) -y shape_table.dsk BSAVE -a 0xc00 APPLE2
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$(DOS33) -y shape_table.dsk BSAVE -a 0xc00 LINE32
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$(DOS33) -y shape_table.dsk BSAVE -a 0xe7 AGONY17
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$(DOS33) -y shape_table.dsk BSAVE -a 0xe7 AGONY2
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$(DOS33) -y shape_table.dsk BSAVE -a 0xe7 STRIPE17
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$(DOS33) -y shape_table.dsk BSAVE -a 0xc00 HERRING16
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$(DOS33) -y shape_table.dsk BSAVE -a 0xc00 PATTERN
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@ -125,6 +126,15 @@ agony17.o: agony17.s
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###
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AGONY2: agony2.o
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ld65 -o AGONY2 agony2.o -C $(LINKERSCRIPTS)/apple2_e7_zp.inc
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agony2.o: agony2.s
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ca65 -o agony2.o agony2.s -l agony2.lst
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###
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STRIPE17: stripe17.o
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ld65 -o STRIPE17 stripe17.o -C $(LINKERSCRIPTS)/apple2_e7_zp.inc
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@ -163,4 +173,4 @@ pattern_logo.o: pattern_logo.s
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clean:
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rm -f *~ *.o *.lst HELLO GEAR.BAS GEARS PATTERN APPLE.BAS \
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PATTERN_LOGO COOL_WAVE SQUARE_WAVE TEETH32 TICK_TOCK \
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HERRING16 STRIPE17 AGONY17 LINE32 APPLE2 GEARS_TINY
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HERRING16 STRIPE17 AGONY17 LINE32 APPLE2 GEARS_TINY AGONY2
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55
graphics/hgr/shape_table/agony2.s
Normal file
55
graphics/hgr/shape_table/agony2.s
Normal file
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@ -0,0 +1,55 @@
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; 17B weird line pattern
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; Really wanted this to be 16B :(
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; zero page locations
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GBASL = $26
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GBASH = $27
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HGR_SCALE = $E7
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HGR_COLLISIONS = $EA
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; ROM locations
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HGR2 = $F3D8
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HPOSN = $F411
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XDRAW0 = $F65D
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XDRAW1 = $F661
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HPLOT0 = $F457
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RESTORE2 = $FF42
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agony17:
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; we load at zero page $E7 which is HGR_SCALE
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; this means the scale is $20 (JSR)
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jsr HGR2 ; Hi-res, full screen ; 3
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; Y=0, A=0 after this call
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; A and Y are 0 here.
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; X is left behind by the boot process?
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; set GBASL/GBASH
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; we really have to call this, otherwise it won't run
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; on some real hardware depending on setup of zero page at boot
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jsr HPLOT0
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; jsr HPOSN ; set screen position to X= (y,x) Y=(a)
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; saves X,Y,A to zero page
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; after Y= orig X/7
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; A and X are ??
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tiny_loop:
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lda #$E2
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tax
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tay
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; ldx #$E2
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; ldy #$E2
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; lda #2 ; ROT=2
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jsr XDRAW0 ; XDRAW 1 AT X,Y
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; Both A and X are 0 at exit
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; Z flag set on exit
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; Y varies
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beq tiny_loop ; bra
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@ -1,5 +1,10 @@
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; Ooze32
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; interesting looking effect found accidentally
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; when trying to do something else
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; by Vince `deater` Weaver <vince@deater.net>
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; zero page
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GBASL = $26
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GBASH = $27
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12
linker_scripts/apple2_45_zp.inc
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12
linker_scripts/apple2_45_zp.inc
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@ -0,0 +1,12 @@
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MEMORY {
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ZP: start = $45, size = $90, type = rw;
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RAM: start = $45, size = $8E00, file = %O;
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}
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SEGMENTS {
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CODE: load = RAM, type = ro;
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#RODATA: load = RAM, type = ro;
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#DATA: load = RAM, type = rw;
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#BSS: load = RAM, type = bss, define = yes;
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ZEROPAGE: load = ZP, type = ro;
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}
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