mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-10-31 10:13:35 +00:00
bubble: work on tiny version
This commit is contained in:
parent
a72c6e4aa9
commit
6ce85e34ca
@ -8,7 +8,8 @@ EMPTY_DISK = ../../../empty_disk
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all: bubble.dsk make_table
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bubble.dsk: HELLO BUBBLE.BAS BUBBLE BUBBLE_C64 \
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BUBBLE_ORIG BUBBLE_ROLLED DIAMOND FAST_DOTS
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BUBBLE_ORIG BUBBLE_ROLLED DIAMOND FAST_DOTS \
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BUBBLE_TINY
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cp $(EMPTY_DISK)/empty.dsk bubble.dsk
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$(DOS33) -y bubble.dsk SAVE A HELLO
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$(DOS33) -y bubble.dsk SAVE A BUBBLE.BAS
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@ -18,6 +19,7 @@ bubble.dsk: HELLO BUBBLE.BAS BUBBLE BUBBLE_C64 \
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$(DOS33) -y bubble.dsk BSAVE -a 0x0C00 DIAMOND
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$(DOS33) -y bubble.dsk BSAVE -a 0x0C00 FAST_DOTS
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$(DOS33) -y bubble.dsk BSAVE -a 0x0C00 BUBBLE_C64
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$(DOS33) -y bubble.dsk BSAVE -a 0x0C00 BUBBLE_TINY
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###
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@ -34,6 +36,14 @@ bubble.o: bubble.s hgr_clear_part.s sin_unrolled.s
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###
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BUBBLE_TINY: bubble_tiny.o
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ld65 -o BUBBLE_TINY bubble_tiny.o -C $(LINKER_SCRIPTS)/apple2_c00.inc
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bubble_tiny.o: bubble_tiny.s hgr_clear_part.s sin_unrolled.s
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ca65 -o bubble_tiny.o bubble_tiny.s -l bubble_tiny.lst
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###
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BUBBLE_C64: bubble_c64.o
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ld65 -o BUBBLE_C64 bubble_c64.o -C $(LINKER_SCRIPTS)/apple2_c00.inc
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439
graphics/hgr/bubble_universe/bubble_tiny.s
Normal file
439
graphics/hgr/bubble_universe/bubble_tiny.s
Normal file
@ -0,0 +1,439 @@
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; bubble universe -- Apple II Hires
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; size optimized version
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; by Vince `deater` Weaver
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; this version based on fast c64 code by serato_fig
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; as posted to the sizecoding discord
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; based on his TIC-80 variant
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; originally was working off the BASIC code posted on the pouet forum
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; original effect by yuruyrau on twitter
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; 2304 bytes -- first working version
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; 2560 bytes -- full version with keypress to adjust
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; 2326 bytes -- alignment turned off
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; 2311 bytes -- optimize mod table generation
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; soft-switches
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KEYPRESS = $C000
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KEYRESET = $C010
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PAGE1 = $C054
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PAGE2 = $C055
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; ROM routines
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BKGND0 = $F3F4 ; clear current page to A
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HGR2 = $F3D8 ; set hires page2 and clear $4000-$5fff
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HGR = $F3E2 ; set hires page1 and clear $2000-$3fff
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HPLOT0 = $F457 ; plot at (Y,X), (A)
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;HCOLOR1 = $F6F0 ; set HGR_COLOR to value in X
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;COLORTBL = $F6F6
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;WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
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; zero page
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GBASL = $26
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GBASH = $27
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HPLOTYL = $92
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I = $D0
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J = $D1
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T = $D7
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U = $D8
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V = $D9
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HGR_PAGE = $E6
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; const
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;NUM = 32
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;NUM = 24
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bubble:
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;========================
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; setup lookup tables
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jsr hgr_make_tables
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;=======================
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; init graphics
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jsr HGR
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jsr HGR2
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;=======================
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; init variables
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; HGR leaves A at 0
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; lda #0
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sta U
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sta V
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sta T
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;=========================
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;=========================
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; main loop
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;=========================
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;=========================
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next_frame:
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;===========================
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; "fast" clear screen
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.include "hgr_clear_part.s"
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; reset I*T
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lda T
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sta it1_smc+1
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sta it2_smc+1
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; reset I*S
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lda #0
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sta is1_smc+1
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sta is2_smc+1
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num1_smc:
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lda #24 ; 40
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sta I
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i_loop:
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num2_smc:
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lda #24 ; 200
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sta J
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j_loop:
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ldx U
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ldy V
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; where S=41 (approximately 1/6.28)
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clc ; 2
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; calc: b=i+t+u;
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; u=cosines[a]+cosines[b];
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is2_smc:
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lda cosines,Y ; 4+
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it2_smc:
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adc cosines,X ; 4+
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sta V
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; calc: a=i*s+v;
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; u=sines[a]+sines[b];
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is1_smc:
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lda sines,Y ; 4+
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it1_smc:
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adc sines,X ; 4+
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sta U ; 3
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;===========================================================
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; HPLOT 32*U+140,32*V+96
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; lda U
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; clc ; 2
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adc #44 ; 2
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tax ; 2
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; calculate Ypos
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lda V
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; clc
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; adc #96
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; "fast" hplot, Xpos in X, Ypos in A
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; Apple II hi-res is more-or-less 280x192
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; two consecutive pixels on are white
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; single pixels are colored based on palette
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; we treat things as a monochrome display, on a color
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; display odd/even pixels will have different colors
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; The Y memory offset is a horrible interleaved mess, so we use
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; a lookup table we generated at start. We also add in
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; the proper value for page-flipping
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; Apple II hi-res is 7 pixels/byte, so we also pre-generate
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; div and mod by 7 tables at start and use those
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; instead of dividing by 7
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; We cheat and don't worry about the X positions larger
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; than 256 because our algorithm only goes up to 208
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tay ; 2
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lda hposn_low,Y ; 4
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sta GBASL ; 3
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clc ; 2
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lda hposn_high,Y ; 4
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adc HGR_PAGE ; 3
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sta GBASH ; 3
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; 21
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ldy div7_table,X ; 4
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lda mod7_table,X ; 4
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tax ; 2
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; 31
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; get current 7-bit pixel range, OR in to set new pixel
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lda (GBASL),Y ; 5
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ora log_lookup,X ; 4
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sta (GBASL),Y ; 6
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; 46
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dec J
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bne j_loop
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done_j:
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lda is1_smc+1
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clc
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adc #41 ; 1/6.28 = 0.16 = 0 0 1 0 1 0 0 0 = 0x28
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sta is1_smc+1
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sta is2_smc+1
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dec I
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bne i_loop
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done_i:
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; sty V
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inc T
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end:
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lda KEYPRESS
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bpl flip_pages
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bit KEYRESET
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; 0110 -> 0100
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and #$5f ; to handle lowercase too...
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cmp #'A'
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bne check_z
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inc num1_smc+1
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jmp done_keys
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check_z:
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cmp #'Z'
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bne check_j
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dec num1_smc+1
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jmp done_keys
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check_j:
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cmp #'J'
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bne check_m
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inc num2_smc+1
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jmp done_keys
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check_m:
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cmp #'M'
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bne done_keys
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dec num2_smc+1
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done_keys:
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flip_pages:
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; flip pages
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; if $20 (draw PAGE1) draw PAGE2, SHOW page1
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; if $40 (draw PAGE2) draw PAGE1, SHOW page2
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lda HGR_PAGE
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eor #$60
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sta HGR_PAGE
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cmp #$40
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bne flip2
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flip1:
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bit PAGE1
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jmp next_frame
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flip2:
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bit PAGE2
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jmp next_frame
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div7_table = $6800
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mod7_table = $6900
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hposn_high = $6a00
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hposn_low = $6b00
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hgr_make_tables:
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;=====================
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; make /7 %7 tables
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;=====================
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hgr_make_7_tables:
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lda #0
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tax
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tay
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div7_loop:
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sta div7_table,Y
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mod_smc:
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stx mod7_table
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inx
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cpx #7
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bne div7_not7
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clc
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adc #1
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ldx #0
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div7_not7:
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inc mod_smc+1 ; assume on page boundary
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iny
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bne div7_loop
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; ldy #0
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; lda #0
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;mod7_loop:
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; sta mod7_table,Y
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; clc
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; adc #1
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; cmp #7
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; bne mod7_not7
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; lda #0
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;mod7_not7:
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; iny
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; bne mod7_loop
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; Hposn table
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; hposn_low, hposn_high will each be filled with $C0 bytes
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; based on routine by John Brooks
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; posted on comp.sys.apple2 on 2018-07-11
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; https://groups.google.com/d/msg/comp.sys.apple2/v2HOfHOmeNQ/zD76fJg_BAAJ
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; clobbers A,X
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; preserves Y
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; vmw note: version I was using based on applesoft HPOSN was ~64 bytes
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; this one is 37 bytes
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build_hposn_tables:
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ldx #0
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btmi:
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txa
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and #$F8
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bpl btpl1
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ora #5
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btpl1:
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asl
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bpl btpl2
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ora #5
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btpl2:
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asl
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asl
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sta hposn_low, X
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txa
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and #7
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rol
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asl hposn_low, X
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rol
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; ora #$20
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sta hposn_high, X
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inx
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cpx #$C0
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bne btmi
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rts
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; which of 7 pixels to draw
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; note high bit is set to pick blue/orange palette
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; clear to get purple/green instead
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log_lookup:
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.byte $81,$82,$84,$88,$90,$A0,$C0,$80
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; the current "fast" code expects to be aligned on boundary
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; also have to double things up as the code can go up to 255 off
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; end for speed reasons
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; floor(s*sin((x-96)*PI*2/256.0)+48.5);
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.align $100
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sines:
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.byte $13,$12,$12,$11,$10,$10,$0F,$0E,$0E,$0D,$0D,$0C,$0C,$0B,$0B,$0B
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.byte $0A,$0A,$09,$09,$09,$08,$08,$08,$08,$08,$07,$07,$07,$07,$07,$07
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.byte $07,$07,$07,$07,$07,$07,$07,$08,$08,$08,$08,$08,$09,$09,$09,$0A
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.byte $0A,$0B,$0B,$0B,$0C,$0C,$0D,$0D,$0E,$0E,$0F,$10,$10,$11,$12,$12
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.byte $13,$14,$14,$15,$16,$17,$18,$18,$19,$1A,$1B,$1C,$1D,$1E,$1E,$1F
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.byte $20,$21,$22,$23,$24,$25,$26,$27,$28,$29,$2A,$2B,$2C,$2D,$2E,$2F
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.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
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.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
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.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
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.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
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.byte $59,$59,$59,$59,$59,$59,$59,$58,$58,$58,$58,$58,$57,$57,$57,$56
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.byte $56,$55,$55,$55,$54,$54,$53,$53,$52,$52,$51,$50,$50,$4F,$4E,$4E
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.byte $4D,$4C,$4C,$4B,$4A,$49,$48,$48,$47,$46,$45,$44,$43,$42,$42,$41
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.byte $40,$3F,$3E,$3D,$3C,$3B,$3A,$39,$38,$37,$36,$35,$34,$33,$32,$31
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.byte $30,$2F,$2E,$2D,$2C,$2B,$2A,$29,$28,$27,$26,$25,$24,$23,$22,$21
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.byte $20,$1F,$1E,$1E,$1D,$1C,$1B,$1A,$19,$18,$18,$17,$16,$15,$14,$14
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sines2:
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.byte $13,$12,$12,$11,$10,$10,$0F,$0E,$0E,$0D,$0D,$0C,$0C,$0B,$0B,$0B
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.byte $0A,$0A,$09,$09,$09,$08,$08,$08,$08,$08,$07,$07,$07,$07,$07,$07
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.byte $07,$07,$07,$07,$07,$07,$07,$08,$08,$08,$08,$08,$09,$09,$09,$0A
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.byte $0A,$0B,$0B,$0B,$0C,$0C,$0D,$0D,$0E,$0E,$0F,$10,$10,$11,$12,$12
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.byte $13,$14,$14,$15,$16,$17,$18,$18,$19,$1A,$1B,$1C,$1D,$1E,$1E,$1F
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.byte $20,$21,$22,$23,$24,$25,$26,$27,$28,$29,$2A,$2B,$2C,$2D,$2E,$2F
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.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
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.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
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.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
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.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
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.byte $59,$59,$59,$59,$59,$59,$59,$58,$58,$58,$58,$58,$57,$57,$57,$56
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.byte $56,$55,$55,$55,$54,$54,$53,$53,$52,$52,$51,$50,$50,$4F,$4E,$4E
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.byte $4D,$4C,$4C,$4B,$4A,$49,$48,$48,$47,$46,$45,$44,$43,$42,$42,$41
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.byte $40,$3F,$3E,$3D,$3C,$3B,$3A,$39,$38,$37,$36,$35,$34,$33,$32,$31
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.byte $30,$2F,$2E,$2D,$2C,$2B,$2A,$29,$28,$27,$26,$25,$24,$23,$22,$21
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.byte $20,$1F,$1E,$1E,$1D,$1C,$1B,$1A,$19,$18,$18,$17,$16,$15,$14,$14
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; floor(s*cos((x-96)*PI*2/256.0)+48.5);
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cosines:
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.byte $13,$14,$14,$15,$16,$17,$18,$18,$19,$1A,$1B,$1C,$1D,$1E,$1E,$1F
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.byte $20,$21,$22,$23,$24,$25,$26,$27,$28,$29,$2A,$2B,$2C,$2D,$2E,$2F
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.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
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.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
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.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
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.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
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.byte $59,$59,$59,$59,$59,$59,$59,$58,$58,$58,$58,$58,$57,$57,$57,$56
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.byte $56,$55,$55,$55,$54,$54,$53,$53,$52,$52,$51,$50,$50,$4F,$4E,$4E
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.byte $4D,$4C,$4C,$4B,$4A,$49,$48,$48,$47,$46,$45,$44,$43,$42,$42,$41
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.byte $40,$3F,$3E,$3D,$3C,$3B,$3A,$39,$38,$37,$36,$35,$34,$33,$32,$31
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.byte $30,$2F,$2E,$2D,$2C,$2B,$2A,$29,$28,$27,$26,$25,$24,$23,$22,$21
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.byte $20,$1F,$1E,$1E,$1D,$1C,$1B,$1A,$19,$18,$18,$17,$16,$15,$14,$14
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.byte $13,$12,$12,$11,$10,$10,$0F,$0E,$0E,$0D,$0D,$0C,$0C,$0B,$0B,$0B
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.byte $0A,$0A,$09,$09,$09,$08,$08,$08,$08,$08,$07,$07,$07,$07,$07,$07
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.byte $07,$07,$07,$07,$07,$07,$07,$08,$08,$08,$08,$08,$09,$09,$09,$0A
|
||||
.byte $0A,$0B,$0B,$0B,$0C,$0C,$0D,$0D,$0E,$0E,$0F,$10,$10,$11,$12,$12
|
||||
cosines2:
|
||||
.byte $13,$14,$14,$15,$16,$17,$18,$18,$19,$1A,$1B,$1C,$1D,$1E,$1E,$1F
|
||||
.byte $20,$21,$22,$23,$24,$25,$26,$27,$28,$29,$2A,$2B,$2C,$2D,$2E,$2F
|
||||
.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
|
||||
.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
|
||||
.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
|
||||
.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
|
||||
.byte $59,$59,$59,$59,$59,$59,$59,$58,$58,$58,$58,$58,$57,$57,$57,$56
|
||||
.byte $56,$55,$55,$55,$54,$54,$53,$53,$52,$52,$51,$50,$50,$4F,$4E,$4E
|
||||
.byte $4D,$4C,$4C,$4B,$4A,$49,$48,$48,$47,$46,$45,$44,$43,$42,$42,$41
|
||||
.byte $40,$3F,$3E,$3D,$3C,$3B,$3A,$39,$38,$37,$36,$35,$34,$33,$32,$31
|
||||
.byte $30,$2F,$2E,$2D,$2C,$2B,$2A,$29,$28,$27,$26,$25,$24,$23,$22,$21
|
||||
.byte $20,$1F,$1E,$1E,$1D,$1C,$1B,$1A,$19,$18,$18,$17,$16,$15,$14,$14
|
||||
.byte $13,$12,$12,$11,$10,$10,$0F,$0E,$0E,$0D,$0D,$0C,$0C,$0B,$0B,$0B
|
||||
.byte $0A,$0A,$09,$09,$09,$08,$08,$08,$08,$08,$07,$07,$07,$07,$07,$07
|
||||
.byte $07,$07,$07,$07,$07,$07,$07,$08,$08,$08,$08,$08,$09,$09,$09,$0A
|
||||
.byte $0A,$0B,$0B,$0B,$0C,$0C,$0D,$0D,$0E,$0E,$0F,$10,$10,$11,$12,$12
|
@ -12,11 +12,13 @@ hgr_make_tables:
|
||||
|
||||
hgr_make_7_tables:
|
||||
|
||||
ldy #0
|
||||
lda #0
|
||||
ldx #0
|
||||
lda #0 ; load lots of zeros
|
||||
tax
|
||||
tay
|
||||
div7_loop:
|
||||
sta div7_table,Y
|
||||
mod7_smc:
|
||||
stx mod7_table
|
||||
|
||||
inx
|
||||
cpx #7
|
||||
@ -26,22 +28,23 @@ div7_loop:
|
||||
adc #1
|
||||
ldx #0
|
||||
div7_not7:
|
||||
inc mod7_smc+1 ; assume starts on page boundary
|
||||
iny
|
||||
bne div7_loop
|
||||
|
||||
|
||||
ldy #0
|
||||
lda #0
|
||||
mod7_loop:
|
||||
sta mod7_table,Y
|
||||
clc
|
||||
adc #1
|
||||
cmp #7
|
||||
bne mod7_not7
|
||||
lda #0
|
||||
mod7_not7:
|
||||
iny
|
||||
bne mod7_loop
|
||||
; ldy #0
|
||||
; lda #0
|
||||
;mod7_loop:
|
||||
; sta mod7_table,Y
|
||||
; clc
|
||||
; adc #1
|
||||
; cmp #7
|
||||
; bne mod7_not7
|
||||
; lda #0
|
||||
;mod7_not7:
|
||||
; iny
|
||||
; bne mod7_loop
|
||||
|
||||
|
||||
; Hposn table
|
||||
|
Loading…
Reference in New Issue
Block a user