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https://github.com/deater/dos33fsprogs.git
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xmas2018: sorta get scrolling working
really slow :(
This commit is contained in:
Vince Weaver
parent
a850f76121
commit
b6b492934b
@ -9,7 +9,7 @@ all: xmas2018.dsk
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xmas2018.dsk: HELLO XMAS2018 wreath.img.lz4t ball.img.lz4 merry.img.lz4t MUSIC.lz4t
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$(DOS33) -y xmas2018.dsk SAVE A HELLO
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$(DOS33) -y xmas2018.dsk BSAVE -a 0x1000 XMAS2018
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$(DOS33) -y xmas2018.dsk BSAVE -a 0x0c00 XMAS2018
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$(DOS33) -y xmas2018.dsk BSAVE -a 0xa000 wreath.img.lz4t WREATH.LZ4
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$(DOS33) -y xmas2018.dsk BSAVE -a 0xa000 ball.img.lz4 BALL.LZ4
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$(DOS33) -y xmas2018.dsk BSAVE -a 0x4000 merry.img.lz4t MERRY.LZ4
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@ -20,7 +20,7 @@ xmas2018.dsk: HELLO XMAS2018 wreath.img.lz4t ball.img.lz4 merry.img.lz4t MUSIC.l
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####
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XMAS2018: xmas2018.o
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ld65 -o XMAS2018 xmas2018.o -C ../linker_scripts/apple2_1000.inc
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ld65 -o XMAS2018 xmas2018.o -C ../linker_scripts/apple2_c00.inc
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xmas2018.o: xmas2018.s \
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zp.inc hardware.inc \
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@ -107,6 +107,9 @@ meloopF:dex ; 2
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; jsr play_music ; 6+1032
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jsr scroll_hgr_loop
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; Try X=9 Y=89 cycles=4540
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ldy #89 ; 2
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@ -118,100 +121,120 @@ meloop2:dex ; 2
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; no keypress = 10+(24) = 34
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bit KEYRESET ; clear keypress ; 4
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me_keyloop:
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lda KEYPRESS ; 4
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bpl me_no_keypress ; 3
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bpl me_keyloop ; 3
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; -1
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jmp me_handle_keypress ; 3
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; jmp me_handle_keypress ; 3
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me_no_keypress:
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jmp merry_display_loop ; 3
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; jmp merry_display_loop ; 3
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me_handle_keypress:
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bit KEYRESET ; clear keypress ; 4
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rts ; 6
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.if 0
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/* 0 1 2 3 4 5 6 7
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00 = $2000 $2400 $2800 $2c00 $3000 $3400 $3800 $3c00
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08 = $2080 $2480 $2880 $2c80 $3080 $3480 $3880 $3c80
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16 = $2100 $2500 $2900 $2d00 $3100 $3500 $3900 $3d00
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24 = $2180 $2580 $2980 $2d80 $3180 $3580 $3980 $3d80
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32 = $2200 $2600 $2a00 $2e00 $3200 $3600 $3a00 $3e00
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40 = $2280 $2680 $2a80 $2e80 $3280 $3680 $3a80 $3e80
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48 = $2300 $2700 $2b00 $2f00 $3300 $3700 $3b00 $3f00
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56 = $2380 $2780 $2b80 $2f80 $3380 $3780 $3b80 $3f80
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-----
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64 = $2028 $2428 $2828 $2c28 $3028 $3428 $3828 $3c28
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72 = $20a8 $24a8 $28a8 $2ca8 $30a8 $34a8 $38a8 $3ca8
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80 = $2128 $2528 $2928 $2d28 $3128 $3528 $3928 $3d28
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88 = $21a8 $25a8 $29a8 $2da8 $31a8 $35a8 $39a8 $3da8
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96 = $2228 $2628 $2a28 $2e28 $3228 $3628 $3a28 $3e28
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104 = $22a8 $26a8 $2aa8 $2ea8 $32a8 $36a8 $3aa8 $3ea8
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112 = $2328 $2728 $2b28 $2f28 $3328 $3728 $3b28 $3f28
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120 = $23a8 $27a8 $2ba8 $2fa8 $33a8 $37a8 $3ba8 $3fa8
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-----
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128 = $2050 $2450 $2850 $2c50 $3050 $3450 $3850 $3c50
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136 = $20d0 $24d0 $28d0 $2cd0 $30d0 $34d0 $38d0 $3cd0
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144 = $2150 $2550 $2950 $2d50 $3150 $3550 $3950 $3d50
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152 = $21d0 $25d0 $29d0 $2dd0 $31d0 $35d0 $39d0 $3dd0
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160 = $2250 $2650 $2a50 $2e50 $3250 $3650 $3a50 $3e50
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168 = $22d0 $26d0 $2ad0 $2ed0 $32d0 $36d0 $3ad0 $3ed0
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176 = $2350 $2750 $2b50 $2f50 $3350 $3750 $3b50 $3f50
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184 = $23d0 $27d0 $2bd0 $2fd0 $33d0 $37d0 $3bd0 $3fd0
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-----
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*/
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int count=0;
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; 0 1 2 3 4 5 6 7
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; 00 = $2000 $2400 $2800 $2c00 $3000 $3400 $3800 $3c00
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; 08 = $2080 $2480 $2880 $2c80 $3080 $3480 $3880 $3c80
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; 16 = $2100 $2500 $2900 $2d00 $3100 $3500 $3900 $3d00
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; 24 = $2180 $2580 $2980 $2d80 $3180 $3580 $3980 $3d80
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; 32 = $2200 $2600 $2a00 $2e00 $3200 $3600 $3a00 $3e00
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; 40 = $2280 $2680 $2a80 $2e80 $3280 $3680 $3a80 $3e80
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; 48 = $2300 $2700 $2b00 $2f00 $3300 $3700 $3b00 $3f00
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; 56 = $2380 $2780 $2b80 $2f80 $3380 $3780 $3b80 $3f80
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; -----
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; 64 = $2028 $2428 $2828 $2c28 $3028 $3428 $3828 $3c28
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; 72 = $20a8 $24a8 $28a8 $2ca8 $30a8 $34a8 $38a8 $3ca8
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; 80 = $2128 $2528 $2928 $2d28 $3128 $3528 $3928 $3d28
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; 88 = $21a8 $25a8 $29a8 $2da8 $31a8 $35a8 $39a8 $3da8
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; 96 = $2228 $2628 $2a28 $2e28 $3228 $3628 $3a28 $3e28
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; 104 = $22a8 $26a8 $2aa8 $2ea8 $32a8 $36a8 $3aa8 $3ea8
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; 112 = $2328 $2728 $2b28 $2f28 $3328 $3728 $3b28 $3f28
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; 120 = $23a8 $27a8 $2ba8 $2fa8 $33a8 $37a8 $3ba8 $3fa8
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; -----
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; 128 = $2050 $2450 $2850 $2c50 $3050 $3450 $3850 $3c50
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; 136 = $20d0 $24d0 $28d0 $2cd0 $30d0 $34d0 $38d0 $3cd0
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; 144 = $2150 $2550 $2950 $2d50 $3150 $3550 $3950 $3d50
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; 152 = $21d0 $25d0 $29d0 $2dd0 $31d0 $35d0 $39d0 $3dd0
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; 160 = $2250 $2650 $2a50 $2e50 $3250 $3650 $3a50 $3e50
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; 168 = $22d0 $26d0 $2ad0 $2ed0 $32d0 $36d0 $3ad0 $3ed0
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; 176 = $2350 $2750 $2b50 $2f50 $3350 $3750 $3b50 $3f50
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; 184 = $23d0 $27d0 $2bd0 $2fd0 $33d0 $37d0 $3bd0 $3fd0
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; -----
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#define HIGH 0x00
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#define CURRENT 0x01
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#define NEXT 0x02
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#define INL 0xfc
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#define INH 0xfd
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#define OUTL 0xfe
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#define OUTH 0xff
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; int count=0;
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//ram[y_indirect(OUTL,y)]
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HIGH = $00
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CURRENT = $01
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NEXT = $02
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scroll_loop:
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;===========================================
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;===========================================
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;===========================================
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scroll_hgr_loop:
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lda #$40 ; 2
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sta OUTH ; 3
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lda #$60 ; 2
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sta INH ; 3
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lda #$0 ; 2
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sta INL ; 3
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sta OUTL ; 3
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sta COUNT
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ram[OUTH]=0x40;
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ram[OUTL]=0x00;
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ram[INH]=0x60;
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ram[INL]=0x00;
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left_one_loop:
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// printf("%d %02x:%02x\n",count,ram[OUTH],ram[OUTL]);
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for(y=0;y<40;y++) {
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ram[CURRENT]=ram[y_indirect(OUTL,y)];
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ram[NEXT]=ram[y_indirect(OUTL,y+1)];
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if ((count mod 7==2) || (count mod 7==6)) {
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ram[HIGH]=ram[NEXT]&0x80;
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}
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else {
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ram[HIGH]=ram[CURRENT]&0x80;
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}
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if (y==39) ram[NEXT]=ram[y_indirect(INL,0)];
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ldy #0 ; 2
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page1_loop:
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lda (OUTL),Y ; get pixel block of interest ; 5
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sta CURRENT ; 3
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a=ram[NEXT];
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and(0x3);
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asl();
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asl();
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asl();
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asl();
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asl();
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ram[NEXT]=a;
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iny ; 2
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lda (OUTL),Y ; get subsequent pixel block ; 5
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;(note, 6 if off end?)
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sta NEXT ; 3
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dey ; restore Y ; 2
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a=ram[CURRENT];
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lsr();
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lsr(); // current>>=2;
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and(0x1f); // current&=0x1f;
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ora_mem(HIGH);
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ora_mem(NEXT);
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ram[y_indirect(OUTL,y)]=a;
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}
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; if ((count mod 7==2) || (count mod 7==6)) {
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; ram[HIGH]=ram[NEXT]&0x80;
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;}
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; else {
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lda CURRENT ; 3
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and #$80 ; 2
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sta HIGH ; 3
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; }
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; if (y==39) ram[NEXT]=ram[y_indirect(INL,0)];
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lda NEXT ; 3
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and #$3 ; 2
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asl ; 2
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asl ; 2
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asl ; 2
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asl ; 2
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asl ; 2
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sta NEXT ; 3
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lda CURRENT ; 3
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lsr ; 2
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lsr ; 2
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and #$1f ; 2
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ora HIGH ; 3
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ora NEXT ; 3
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sta (OUTL),Y ; 6
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iny ; 2
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cpy #40 ; 2
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bne page1_loop ; 3
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; -1
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.if 0
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for(y=0;y<40;y++) {
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ram[CURRENT]=ram[y_indirect(INL,y)];
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@ -240,40 +263,37 @@ left_one_loop:
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ora_mem(NEXT);
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ram[y_indirect(INL,y)]=a;
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}
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.endif
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clc ; 2
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lda INL ; 3
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adc #$80 ; 2
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sta INL ; 3
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lda INH ; 3
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adc #$0 ; 2
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sta INH ; 3
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clc ; needed? ; 2
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lda OUTL ; 3
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adc #$80 ; 2
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sta OUTL ; 3
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lda OUTH ; 3
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adc #$0 ; 2
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sta OUTH ; 3
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clc();
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a=ram[INL];
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adc(0x80);
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ram[INL]=a;
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a=ram[INH];
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adc(0x0);
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ram[INH]=a;
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cmp #$60 ; 2
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bne left_one_loop
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clc();
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a=ram[OUTL];
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adc(0x80);
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ram[OUTL]=a;
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a=ram[OUTH];
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adc(0x0);
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ram[OUTH]=a;
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lda KEYPRESS ; 4
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bmi scroll_done ; 3
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if (a!=0x60) goto left_one_loop;
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inc COUNT ; 5
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lda COUNT ; 3
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cmp #140 ; 2
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beq scroll_done ; 3
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grsim_update();
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ch=grsim_input();
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if (ch) goto scroll_done;
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usleep(17000); // 60Hz = 17ms
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count++;
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if (count==140) goto scroll_done;
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goto scroll_loop;
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;-1
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jmp scroll_hgr_loop ; 3
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scroll_done:
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while(1) {
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ch=grsim_input();
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if (ch) break;
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}
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return 0;
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.endif
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rts ; 6
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