second: add ocean
@ -15,6 +15,8 @@ all: second.dsk
|
||||
|
||||
second.dsk: QBOOT QLOAD SECOND MUSIC START \
|
||||
./part01_intropan/INTRO \
|
||||
./part05_dot_tunnel/TUNNEL \
|
||||
./part16_ocean/OCEAN \
|
||||
./part18_3d/THREED
|
||||
cp $(EMPTY_DISK) second.dsk
|
||||
$(DOS33_RAW) second.dsk 0 0 QBOOT 0 1
|
||||
@ -22,10 +24,11 @@ second.dsk: QBOOT QLOAD SECOND MUSIC START \
|
||||
$(DOS33_RAW) second.dsk 0 4 QBOOT 2 1
|
||||
$(DOS33_RAW) second.dsk 1 0 QLOAD 0 0
|
||||
$(DOS33_RAW) second.dsk 3 0 MUSIC 0 0
|
||||
# $(DOS33_RAW) second.dsk 5 0 SECOND 0 0
|
||||
$(DOS33_RAW) second.dsk 5 0 START 0 0
|
||||
$(DOS33_RAW) second.dsk 8 0 ./part01_intropan/INTRO 0 0
|
||||
$(DOS33_RAW) second.dsk 11 0 ./part18_3d/THREED 0 0
|
||||
$(DOS33_RAW) second.dsk 11 0 ./part05_dot_tunnel/TUNNEL 0 0
|
||||
$(DOS33_RAW) second.dsk 13 0 ./part16_ocean/OCEAN 0 0
|
||||
$(DOS33_RAW) second.dsk 20 0 ./part18_3d/THREED 0 0
|
||||
|
||||
|
||||
####
|
||||
|
@ -1,3 +1,51 @@
|
||||
;div7_table = $b800
|
||||
;mod7_table = $b900
|
||||
;hposn_high = $ba00
|
||||
;hposn_low = $bb00
|
||||
|
||||
|
||||
hgr_make_tables:
|
||||
|
||||
;=====================
|
||||
; make /7 %7 tables
|
||||
;=====================
|
||||
|
||||
hgr_make_7_tables:
|
||||
|
||||
ldy #0
|
||||
lda #0
|
||||
ldx #0
|
||||
div7_loop:
|
||||
sta div7_table,Y
|
||||
|
||||
inx
|
||||
cpx #7
|
||||
bne div7_not7
|
||||
|
||||
clc
|
||||
adc #1
|
||||
ldx #0
|
||||
div7_not7:
|
||||
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
|
||||
|
||||
|
||||
; Hposn table
|
||||
|
||||
; hposn_low, hposn_high will each be filled with $C0 bytes
|
||||
; based on routine by John Brooks
|
||||
; posted on comp.sys.apple2 on 2018-07-11
|
||||
@ -8,7 +56,7 @@
|
||||
; vmw note: version I was using based on applesoft HPOSN was ~64 bytes
|
||||
; this one is 37 bytes
|
||||
|
||||
build_tables:
|
||||
build_hposn_tables:
|
||||
ldx #0
|
||||
btmi:
|
||||
txa
|
||||
|
@ -7,18 +7,33 @@
|
||||
.include "../hardware.inc"
|
||||
.include "../qload.inc"
|
||||
|
||||
hposn_low = $1713 ; 0xC0 bytes (lifetime, used by DrawLargeCharacter)
|
||||
hposn_high = $1800 ; 0xC0 bytes (lifetime, used by DrawLargeCharacter)
|
||||
div7_table = $b800
|
||||
mod7_table = $b900
|
||||
hposn_high = $ba00
|
||||
hposn_low = $bb00
|
||||
|
||||
|
||||
|
||||
.if 0
|
||||
R = $FC
|
||||
RR = $F5
|
||||
D = $FB
|
||||
CX = $FD
|
||||
CY = $FE
|
||||
COUNT = $F6
|
||||
MINUSXX = $F8
|
||||
MINUSYY = $FA
|
||||
.endif
|
||||
|
||||
tunnel:
|
||||
|
||||
intro_start:
|
||||
;=====================
|
||||
; initializations
|
||||
;=====================
|
||||
|
||||
;===================
|
||||
; Load graphics
|
||||
;===================
|
||||
load_loop:
|
||||
setup_graphics:
|
||||
|
||||
sei
|
||||
|
||||
bit SET_GR
|
||||
bit HIRES
|
||||
@ -28,15 +43,248 @@ load_loop:
|
||||
lda #0
|
||||
jsr hgr_page1_clearscreen
|
||||
|
||||
jsr build_tables
|
||||
jsr hgr_make_tables
|
||||
|
||||
|
||||
; from R=12 to R=256 or so
|
||||
|
||||
tunnel_again:
|
||||
lda #0
|
||||
sta RR
|
||||
|
||||
draw_next:
|
||||
|
||||
ldx RR
|
||||
lda star_z,X
|
||||
tax
|
||||
lda radii,X
|
||||
sta R
|
||||
|
||||
|
||||
lda #128
|
||||
sta CX
|
||||
lda #96
|
||||
sta CY
|
||||
|
||||
|
||||
;===============================
|
||||
; draw circle
|
||||
;===============================
|
||||
; draw circle at (CX,CY) of radius R
|
||||
; signed 8-bit math so problems if R > 64?
|
||||
|
||||
|
||||
; XX=0 YY=R
|
||||
; D=3-2*R
|
||||
; GOTO6
|
||||
|
||||
lda #0
|
||||
sta XX
|
||||
|
||||
lda R
|
||||
sta YY
|
||||
|
||||
lda #3
|
||||
sec
|
||||
sbc R
|
||||
sbc R
|
||||
sta D
|
||||
|
||||
jmp do_plots
|
||||
|
||||
circle_loop:
|
||||
; X=X+1
|
||||
|
||||
inc XX
|
||||
|
||||
; IF D>0 THEN Y=Y-1:D=D+4*(X-Y)+10
|
||||
lda D
|
||||
bmi else
|
||||
|
||||
dec YY
|
||||
|
||||
lda XX
|
||||
sec
|
||||
sbc YY
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #10
|
||||
jmp store_D
|
||||
|
||||
else:
|
||||
; ELSE D=D+4*X+6
|
||||
lda XX
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #6
|
||||
store_D:
|
||||
sta D
|
||||
|
||||
do_plots:
|
||||
lda XX
|
||||
and #$3
|
||||
bne done2
|
||||
|
||||
|
||||
; setup constants
|
||||
|
||||
lda XX
|
||||
eor #$FF
|
||||
sta MINUSXX
|
||||
inc MINUSXX
|
||||
|
||||
lda YY
|
||||
eor #$FF
|
||||
sta MINUSYY
|
||||
inc MINUSYY
|
||||
|
||||
; HPLOT CX+X,CY+Y
|
||||
; HPLOT CX-X,CY+Y
|
||||
; HPLOT CX+X,CY-Y
|
||||
; HPLOT CX-X,CY-Y
|
||||
; HPLOT CX+Y,CY+X
|
||||
; HPLOT CX-Y,CY+X
|
||||
; HPLOT CX+Y,CY-X
|
||||
; HPLOT CX-Y,CY-X
|
||||
|
||||
; calc X co-ord
|
||||
|
||||
lda #7
|
||||
sta COUNT
|
||||
pos_loop:
|
||||
lda COUNT
|
||||
and #$4
|
||||
lsr
|
||||
tay
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
bcc xnoc
|
||||
iny
|
||||
xnoc:
|
||||
lda CX
|
||||
clc
|
||||
adc XX,Y
|
||||
tax
|
||||
|
||||
; calc y co-ord
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
eor #$2
|
||||
tay
|
||||
|
||||
lda CY
|
||||
clc
|
||||
adc XX,Y ; A has Y-coord
|
||||
|
||||
ldy #0
|
||||
|
||||
; want X/7 into X
|
||||
; want A looked up into OUTL
|
||||
|
||||
jsr hplot ; plot at (Y,X), (A)
|
||||
|
||||
dec COUNT
|
||||
bpl pos_loop
|
||||
|
||||
|
||||
done2:
|
||||
; IFY>=XTHEN4
|
||||
lda YY
|
||||
cmp XX
|
||||
bcs circle_loop
|
||||
|
||||
done:
|
||||
lda RR
|
||||
clc
|
||||
adc #1
|
||||
sta RR
|
||||
|
||||
cmp #19
|
||||
beq done_frame
|
||||
|
||||
; GOTO1
|
||||
jmp draw_next
|
||||
|
||||
done_frame:
|
||||
lda #0
|
||||
jsr hgr_page1_clearscreen
|
||||
|
||||
ldx #19
|
||||
move_circles:
|
||||
dec star_z,X
|
||||
dex
|
||||
bpl move_circles
|
||||
|
||||
jmp tunnel_again
|
||||
|
||||
radii:
|
||||
.byte <4000, <3200, <1600, <1066, <800, <640, <533, <457
|
||||
.byte <400, <355, <320, <290, <266, 246, 228, 213
|
||||
.byte 200, 188, 177, 168, 160, 152, 145, 139
|
||||
.byte 133, 128, 123, 118, 114, 110, 106, 103
|
||||
.byte 100, 96, 94, 91, 88, 86, 84, 82
|
||||
.byte 80, 78, 76, 74, 72, 71, 69, 68
|
||||
.byte 66, 65, 64, 62, 61, 60, 59, 58
|
||||
.byte 57, 56, 55, 54, 53, 52, 51, 50
|
||||
.byte 50, 49, 48, 47, 47, 46, 45, 45
|
||||
.byte 44, 43, 43, 42, 42, 41, 41, 40
|
||||
.byte 40, 39, 39, 38, 38, 37, 37, 36
|
||||
.byte 36, 35, 35, 35, 34, 34, 34, 33
|
||||
.byte 33, 32, 32, 32, 32, 31, 31, 31
|
||||
.byte 30, 30, 30, 29, 29, 29, 29, 28
|
||||
.byte 28, 28, 28, 27, 27, 27, 27, 26
|
||||
.byte 26, 26, 26, 26, 25, 25, 25, 25
|
||||
.byte 25, 24, 24, 24, 24, 24, 23, 23
|
||||
.byte 23, 23, 23, 23, 22, 22, 22, 22
|
||||
.byte 22, 22, 21, 21, 21, 21, 21, 21
|
||||
.byte 21, 20, 20, 20, 20, 20, 20, 20
|
||||
.byte 20, 19, 19, 19, 19, 19, 19, 19
|
||||
.byte 19, 18, 18, 18, 18, 18, 18, 18
|
||||
.byte 18, 18, 17, 17, 17, 17, 17, 17
|
||||
.byte 17, 17, 17, 17, 17, 16, 16, 16
|
||||
.byte 16, 16, 16, 16, 16, 16, 16, 16
|
||||
.byte 16, 15, 15, 15, 15, 15, 15, 15
|
||||
.byte 15, 15, 15, 15, 15, 15, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 14, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 12
|
||||
.byte 12, 12, 12, 12, 12, 12, 12, 12
|
||||
|
||||
; num-stars = 20
|
||||
|
||||
star_z:
|
||||
.byte 15,26,38,50,63,75,78,100,112,125,137
|
||||
.byte 150,162,175,187,200,212,224,237
|
||||
|
||||
|
||||
|
||||
|
||||
blah:
|
||||
jmp blah
|
||||
|
||||
.align $100
|
||||
.include "../wait_keypress.s"
|
||||
.include "../hgr_table.s"
|
||||
.include "../hgr_clear_screen.s"
|
||||
|
||||
|
||||
; A is Ycoord value
|
||||
; X is Xcoord value
|
||||
hplot:
|
||||
tay
|
||||
lda hposn_low,Y
|
||||
sta OUTL
|
||||
lda hposn_high,Y
|
||||
sta OUTH
|
||||
|
||||
ldy div7_table,X
|
||||
|
||||
lda mod7_table,X
|
||||
|
||||
sta (OUTL),Y
|
||||
|
||||
rts
|
||||
|
32
demos/second/part16_ocean/Makefile
Normal file
@ -0,0 +1,32 @@
|
||||
include ../../../Makefile.inc
|
||||
|
||||
DOS33 = ../../../utils/dos33fs-utils/dos33
|
||||
DOS33_RAW = ../../../utils/dos33fs-utils/dos33_raw
|
||||
EMPTY_DISK = ../../../empty_disk/empty.dsk
|
||||
TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
|
||||
LINKER_SCRIPTS = ../../../linker_scripts/
|
||||
|
||||
all: OCEAN
|
||||
|
||||
####
|
||||
|
||||
OCEAN: ocean.o
|
||||
ld65 -o OCEAN ocean.o -C $(LINKER_SCRIPTS)/apple2_6000.inc
|
||||
|
||||
ocean.o: ocean.s ../zx02_optim.s \
|
||||
graphics/frame00000024.hgr.zx02 \
|
||||
graphics/frame00000025.hgr.zx02 \
|
||||
graphics/frame00000026.hgr.zx02 \
|
||||
graphics/frame00000027.hgr.zx02 \
|
||||
graphics/frame00000028.hgr.zx02 \
|
||||
graphics/frame00000029.hgr.zx02 \
|
||||
graphics/frame00000030.hgr.zx02 \
|
||||
graphics/frame00000031.hgr.zx02 \
|
||||
../zp.inc ../hardware.inc ../qload.inc
|
||||
ca65 -o ocean.o ocean.s -l ocean.lst
|
||||
|
||||
###
|
||||
|
||||
|
||||
clean:
|
||||
rm -f *~ *.o *.lst OCEAN
|
81
demos/second/part16_ocean/graphics/Makefile
Normal file
@ -0,0 +1,81 @@
|
||||
include ../../../../Makefile.inc
|
||||
|
||||
ZX02 = ~/research/6502_compression/zx02.git/build/zx02
|
||||
PNG_TO_HGR = ../../../../utils/hgr-utils/png2hgr
|
||||
PNG2GR = ../../../../utils/gr-utils/png2gr
|
||||
|
||||
all: frame00000024.hgr.zx02 frame00000025.hgr.zx02 \
|
||||
frame00000026.hgr.zx02 frame00000027.hgr.zx02 \
|
||||
frame00000028.hgr.zx02 frame00000029.hgr.zx02 \
|
||||
frame00000030.hgr.zx02 frame00000031.hgr.zx02
|
||||
|
||||
####
|
||||
|
||||
frame00000024.hgr.zx02: frame00000024.hgr
|
||||
$(ZX02) frame00000024.hgr frame00000024.hgr.zx02
|
||||
|
||||
frame00000024.hgr: frame00000024.png
|
||||
$(PNG_TO_HGR) frame00000024.png > frame00000024.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000025.hgr.zx02: frame00000025.hgr
|
||||
$(ZX02) frame00000025.hgr frame00000025.hgr.zx02
|
||||
|
||||
frame00000025.hgr: frame00000025.png
|
||||
$(PNG_TO_HGR) frame00000025.png > frame00000025.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000026.hgr.zx02: frame00000026.hgr
|
||||
$(ZX02) frame00000026.hgr frame00000026.hgr.zx02
|
||||
|
||||
frame00000026.hgr: frame00000026.png
|
||||
$(PNG_TO_HGR) frame00000026.png > frame00000026.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000027.hgr.zx02: frame00000027.hgr
|
||||
$(ZX02) frame00000027.hgr frame00000027.hgr.zx02
|
||||
|
||||
frame00000027.hgr: frame00000027.png
|
||||
$(PNG_TO_HGR) frame00000027.png > frame00000027.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000028.hgr.zx02: frame00000028.hgr
|
||||
$(ZX02) frame00000028.hgr frame00000028.hgr.zx02
|
||||
|
||||
frame00000028.hgr: frame00000028.png
|
||||
$(PNG_TO_HGR) frame00000028.png > frame00000028.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000029.hgr.zx02: frame00000029.hgr
|
||||
$(ZX02) frame00000029.hgr frame00000029.hgr.zx02
|
||||
|
||||
frame00000029.hgr: frame00000029.png
|
||||
$(PNG_TO_HGR) frame00000029.png > frame00000029.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000030.hgr.zx02: frame00000030.hgr
|
||||
$(ZX02) frame00000030.hgr frame00000030.hgr.zx02
|
||||
|
||||
frame00000030.hgr: frame00000030.png
|
||||
$(PNG_TO_HGR) frame00000030.png > frame00000030.hgr
|
||||
|
||||
####
|
||||
|
||||
frame00000031.hgr.zx02: frame00000031.hgr
|
||||
$(ZX02) frame00000031.hgr frame00000031.hgr.zx02
|
||||
|
||||
frame00000031.hgr: frame00000031.png
|
||||
$(PNG_TO_HGR) frame00000031.png > frame00000031.hgr
|
||||
|
||||
|
||||
|
||||
####
|
||||
|
||||
clean:
|
||||
rm -f *~
|
BIN
demos/second/part16_ocean/graphics/frame00000024.png
Normal file
After Width: | Height: | Size: 5.2 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000025.png
Normal file
After Width: | Height: | Size: 5.2 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000026.png
Normal file
After Width: | Height: | Size: 5.0 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000027.png
Normal file
After Width: | Height: | Size: 5.2 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000028.png
Normal file
After Width: | Height: | Size: 5.2 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000029.png
Normal file
After Width: | Height: | Size: 5.2 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000030.png
Normal file
After Width: | Height: | Size: 5.3 KiB |
BIN
demos/second/part16_ocean/graphics/frame00000031.png
Normal file
After Width: | Height: | Size: 6.0 KiB |
108
demos/second/part16_ocean/ocean.s
Normal file
@ -0,0 +1,108 @@
|
||||
; Ocean
|
||||
|
||||
;
|
||||
; by deater (Vince Weaver) <vince@deater.net>
|
||||
|
||||
.include "../zp.inc"
|
||||
.include "../hardware.inc"
|
||||
.include "../qload.inc"
|
||||
|
||||
ocean_start:
|
||||
;=====================
|
||||
; initializations
|
||||
;=====================
|
||||
|
||||
;===================
|
||||
; Load graphics
|
||||
;===================
|
||||
load_loop:
|
||||
|
||||
bit SET_GR
|
||||
bit HIRES
|
||||
bit FULLGR
|
||||
bit PAGE1
|
||||
|
||||
lda #0
|
||||
sta COUNT
|
||||
|
||||
ocean_loop:
|
||||
|
||||
; logo 1
|
||||
ldx COUNT
|
||||
|
||||
lda frame_data_l,X
|
||||
sta zx_src_l+1
|
||||
|
||||
lda frame_data_h,X
|
||||
sta zx_src_h+1
|
||||
|
||||
lda #$40
|
||||
|
||||
jsr zx02_full_decomp
|
||||
|
||||
|
||||
bit PAGE2
|
||||
inc COUNT
|
||||
|
||||
; right logo
|
||||
|
||||
ldx COUNT
|
||||
|
||||
lda frame_data_l,X
|
||||
sta zx_src_l+1
|
||||
|
||||
lda frame_data_h,X
|
||||
sta zx_src_h+1
|
||||
|
||||
lda #$20
|
||||
|
||||
jsr zx02_full_decomp
|
||||
|
||||
bit PAGE1
|
||||
|
||||
inc COUNT
|
||||
lda COUNT
|
||||
cmp #14
|
||||
bne no_count_oflo
|
||||
|
||||
lda #0
|
||||
sta COUNT
|
||||
no_count_oflo:
|
||||
|
||||
jmp ocean_loop
|
||||
|
||||
|
||||
.include "../wait_keypress.s"
|
||||
.include "../zx02_optim.s"
|
||||
|
||||
frame_data_l:
|
||||
.byte <frame24_data,<frame25_data,<frame26_data,<frame27_data
|
||||
.byte <frame28_data,<frame29_data,<frame30_data,<frame31_data
|
||||
|
||||
.byte <frame30_data,<frame29_data,<frame28_data
|
||||
.byte <frame27_data,<frame26_data,<frame25_data;,<frame28_data
|
||||
|
||||
frame_data_h:
|
||||
.byte >frame24_data,>frame25_data,>frame26_data,>frame27_data
|
||||
.byte >frame28_data,>frame29_data,>frame30_data,>frame31_data
|
||||
|
||||
.byte >frame30_data,>frame29_data,>frame28_data
|
||||
.byte >frame27_data,>frame26_data,>frame25_data;,>frame24_data
|
||||
|
||||
frame24_data:
|
||||
.incbin "graphics/frame00000024.hgr.zx02"
|
||||
frame25_data:
|
||||
.incbin "graphics/frame00000025.hgr.zx02"
|
||||
frame26_data:
|
||||
.incbin "graphics/frame00000026.hgr.zx02"
|
||||
frame27_data:
|
||||
.incbin "graphics/frame00000027.hgr.zx02"
|
||||
frame28_data:
|
||||
.incbin "graphics/frame00000028.hgr.zx02"
|
||||
frame29_data:
|
||||
.incbin "graphics/frame00000029.hgr.zx02"
|
||||
frame30_data:
|
||||
.incbin "graphics/frame00000030.hgr.zx02"
|
||||
frame31_data:
|
||||
.incbin "graphics/frame00000031.hgr.zx02"
|
||||
|
@ -130,7 +130,17 @@ frame15: ; handmade / auto
|
||||
.include "auto/frame143.inc" ;
|
||||
.include "auto/frame144.inc" ;
|
||||
.include "auto/frame145.inc" ;
|
||||
.include "auto/frame146.inc" ;
|
||||
.include "auto/frame147.inc" ;
|
||||
.include "auto/frame148.inc" ;
|
||||
.include "auto/frame149.inc" ;
|
||||
.include "auto/frame150.inc" ;
|
||||
.include "auto/frame151.inc" ;
|
||||
.include "auto/frame152.inc" ;
|
||||
.include "auto/frame153.inc" ;
|
||||
.include "auto/frame154.inc" ;
|
||||
.include "auto/frame155.inc" ;
|
||||
|
||||
|
||||
num_scenes=(145-15)+1
|
||||
num_scenes=(155-15)+1
|
||||
|
||||
|
@ -160,19 +160,24 @@ error_string:
|
||||
.endif
|
||||
|
||||
which_disk_array:
|
||||
.byte 1,1,1,1 ; SECOND, MUSIC, INTRO, 3D
|
||||
.byte 1,1,1,1 ; SECOND, MUSIC, INTRO, TUNNEL
|
||||
.byte 1,1 ; 3D, OCEAN
|
||||
|
||||
load_address_array:
|
||||
.byte $20,$D0,$60,$40 ; SECOND, MUSIC, INTRO, 3D
|
||||
.byte $20,$D0,$60,$60 ; SECOND, MUSIC, INTRO, TUNNEL
|
||||
.byte $40,$60 ; 3D, OCEAN
|
||||
|
||||
track_array:
|
||||
.byte 5, 3, 8,11 ; SECOND, MUSIC, ?, ?
|
||||
.byte 5, 3, 8, 11 ; SECOND, MUSIC, INTRO, TUNNEL
|
||||
.byte 20,13 ; 3D, OCEAN
|
||||
|
||||
sector_array:
|
||||
.byte 0, 0, 0, 0 ; SECOND, MUSIC, ?, ?
|
||||
.byte 0, 0, 0, 0 ; SECOND, MUSIC, INTRO, TUNNEL
|
||||
.byte 0, 0 ; 3D, OCEAN
|
||||
|
||||
length_array:
|
||||
.byte 16, 32, 84, 128 ; SECOND, MUSIC, ?, ?
|
||||
.byte 16, 32, 84, 16 ; SECOND, MUSIC, INTRO, TUNNEL
|
||||
.byte 128,64 ; 3D, OCEAN
|
||||
|
||||
.include "lc_detect.s"
|
||||
.include "wait.s"
|
||||
|
@ -238,8 +238,11 @@ load_loop:
|
||||
; start music
|
||||
;=======================
|
||||
|
||||
lda #3
|
||||
; lda #2
|
||||
lda #5 ; OCEAN
|
||||
|
||||
; lda #4 ; THREED
|
||||
; lda #3 ; TUNNEL
|
||||
; lda #2 ; INTRO
|
||||
|
||||
sta WHICH_LOAD
|
||||
|
||||
@ -248,7 +251,9 @@ load_loop:
|
||||
|
||||
cli
|
||||
|
||||
jmp $4000
|
||||
; jmp $4000
|
||||
|
||||
jmp $6000
|
||||
|
||||
forever:
|
||||
jmp forever
|
||||
|
@ -139,8 +139,7 @@ ANGLE = $9A
|
||||
;COLOR1 = $E0
|
||||
;COLOR2 = $E1
|
||||
;MATCH = $E2
|
||||
XX = $E3
|
||||
YY = $E4
|
||||
|
||||
HGR_COLOR = $E4
|
||||
;SHIPY = $E4
|
||||
;YADD = $E5
|
||||
@ -165,25 +164,45 @@ OFFSET = $EF
|
||||
|
||||
IRQ_COUNTDOWN = $F0
|
||||
|
||||
LASTKEY = $F1
|
||||
PADDLE_STATUS = $F2
|
||||
;LASTKEY = $F1
|
||||
;PADDLE_STATUS = $F2
|
||||
|
||||
SPRITETEMP = $F2
|
||||
XPOS = $F3
|
||||
YPOS = $F4
|
||||
XSAVE = $F6
|
||||
SCROLL_IN = $F7
|
||||
SCROLL_OUT = $F8
|
||||
STRING_COUNT = $F9
|
||||
TEMP = $FA
|
||||
MEMCOUNT = $FA
|
||||
TEMPY = $FB
|
||||
LEAD0 = $FB
|
||||
INL = $FC
|
||||
INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
XSAVE = $F6
|
||||
SCROLL_IN=$F7
|
||||
SCROLL_OUT=$F8
|
||||
STRING_COUNT = $F9
|
||||
MEMCOUNT= $FA
|
||||
LEAD0 = $FB
|
||||
; tunnel
|
||||
|
||||
RR = $F0
|
||||
COUNT = $F1
|
||||
XX = $F2
|
||||
MINUSXX = $F3
|
||||
YY = $F4
|
||||
MINUSYY = $F5
|
||||
D = $F6
|
||||
R = $F7
|
||||
CX = $F8
|
||||
CY = $F9
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
@ -9,7 +9,8 @@ all: circles.dsk
|
||||
|
||||
circles.dsk: HELLO CIRCLES CIRCLES_FILL ARCS WEB PAC ORB ORB_TINY \
|
||||
BRES.BAS BRESBOT.BAS BRESCOOL.BAS HORROR \
|
||||
MID.BAS MIDBOT.BAS MIDCOOL.BAS BRESTEST.BAS ARCS_BOT
|
||||
MID.BAS MIDBOT.BAS MIDCOOL.BAS BRESTEST.BAS ARCS_BOT \
|
||||
TUNNEL WEB2
|
||||
cp $(EMPTY_DISK)/empty.dsk circles.dsk
|
||||
$(DOS33) -y circles.dsk SAVE A HELLO
|
||||
$(DOS33) -y circles.dsk SAVE A BRES.BAS
|
||||
@ -28,6 +29,8 @@ circles.dsk: HELLO CIRCLES CIRCLES_FILL ARCS WEB PAC ORB ORB_TINY \
|
||||
$(DOS33) -y circles.dsk BSAVE -a 0x03f5 ORB_TINY
|
||||
$(DOS33) -y circles.dsk BSAVE -a 0x03f5 HORROR
|
||||
$(DOS33) -y circles.dsk BSAVE -a 0x9600 ARCS_BOT
|
||||
$(DOS33) -y circles.dsk BSAVE -a 0x0C00 TUNNEL
|
||||
$(DOS33) -y circles.dsk BSAVE -a 0x0C00 WEB2
|
||||
|
||||
###
|
||||
|
||||
@ -81,6 +84,23 @@ circles.o: circles.s
|
||||
|
||||
###
|
||||
|
||||
TUNNEL: tunnel.o
|
||||
ld65 -o TUNNEL tunnel.o -C $(LINKER_SCRIPTS)/apple2_c00.inc
|
||||
|
||||
tunnel.o: tunnel.s
|
||||
ca65 -o tunnel.o tunnel.s -l tunnel.lst
|
||||
|
||||
###
|
||||
|
||||
WEB2: web2.o
|
||||
ld65 -o WEB2 web2.o -C $(LINKER_SCRIPTS)/apple2_c00.inc
|
||||
|
||||
web2.o: web2.s
|
||||
ca65 -o web2.o web2.s -l web2.lst
|
||||
|
||||
|
||||
###
|
||||
|
||||
CIRCLES_FILL: circles_fill.o
|
||||
ld65 -o CIRCLES_FILL circles_fill.o -C $(LINKER_SCRIPTS)/apple2_c00.inc
|
||||
|
||||
@ -149,4 +169,4 @@ horror.o: horror.s
|
||||
clean:
|
||||
rm -f *~ *.o *.lst CIRCLES ARCS WEB CIRCLES_FILL PAC ORB \
|
||||
BRES.BAS BRESBOT.BAS BRESCOOL.BAS BRESTEST.BAS \
|
||||
MID.BAS MIDBOT.BAS MIDCOOL.BAS ORB_TINY HORROR
|
||||
MID.BAS MIDBOT.BAS MIDCOOL.BAS ORB_TINY HORROR TUNNEL WEB2
|
||||
|
253
graphics/hgr/circles/squares.s
Normal file
@ -0,0 +1,253 @@
|
||||
; tunnel
|
||||
|
||||
; D0+ used by HGR routines
|
||||
|
||||
HGR_COLOR = $E4
|
||||
HGR_PAGE = $E6
|
||||
|
||||
RR = $F5
|
||||
COUNT = $F6
|
||||
|
||||
|
||||
|
||||
XX = $F7
|
||||
MINUSXX = $F8
|
||||
YY = $F9
|
||||
MINUSYY = $FA
|
||||
|
||||
D = $FB
|
||||
R = $FC
|
||||
CX = $FD
|
||||
CY = $FE
|
||||
FRAME = $FF
|
||||
|
||||
; soft-switches
|
||||
|
||||
KEYPRESS = $C000
|
||||
KEYRESET = $C010
|
||||
|
||||
; ROM routines
|
||||
|
||||
HGR2 = $F3D8 ; set hires page2 and clear $4000-$5fff
|
||||
HGR = $F3E2 ; set hires page1 and clear $2000-$3fff
|
||||
HPLOT0 = $F457 ; plot at (Y,X), (A)
|
||||
HCOLOR1 = $F6F0 ; set HGR_COLOR to value in X
|
||||
COLORTBL = $F6F6
|
||||
PLOT = $F800 ; PLOT AT Y,A (A colors output, Y preserved)
|
||||
NEXTCOL = $F85F ; COLOR=COLOR+3
|
||||
SETCOL = $F864 ; COLOR=A
|
||||
SETGR = $FB40 ; set graphics and clear LO-RES screen
|
||||
BELL2 = $FBE4
|
||||
WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
|
||||
|
||||
tunnel:
|
||||
; from R=12 to R=256 or so
|
||||
|
||||
|
||||
jsr HGR2
|
||||
|
||||
lda #0
|
||||
sta RR
|
||||
|
||||
draw_next:
|
||||
|
||||
ldx RR
|
||||
lda star_z,X
|
||||
tax
|
||||
lda radii,X
|
||||
sta R
|
||||
|
||||
|
||||
; lda KEYPRESS
|
||||
; bpl draw_next
|
||||
|
||||
; bit KEYRESET
|
||||
|
||||
|
||||
lda #128
|
||||
sta CX
|
||||
lda #96
|
||||
sta CY
|
||||
|
||||
|
||||
;===============================
|
||||
; draw circle
|
||||
;===============================
|
||||
; draw circle at (CX,CY) of radius R
|
||||
; signed 8-bit math so problems if R > 64?
|
||||
|
||||
|
||||
; XX=0 YY=R
|
||||
; D=3-2*R
|
||||
; GOTO6
|
||||
|
||||
lda #0
|
||||
sta XX
|
||||
|
||||
lda R
|
||||
sta YY
|
||||
|
||||
lda #3
|
||||
sec
|
||||
sbc R
|
||||
sbc R
|
||||
sta D
|
||||
|
||||
jmp do_plots
|
||||
|
||||
circle_loop:
|
||||
; X=X+1
|
||||
|
||||
inc XX
|
||||
|
||||
lda XX
|
||||
and #3
|
||||
bne circle_loop
|
||||
|
||||
; IF D>0 THEN Y=Y-1:D=D+4*(X-Y)+10
|
||||
lda D
|
||||
bmi else
|
||||
|
||||
dec YY
|
||||
|
||||
lda XX
|
||||
sec
|
||||
sbc YY
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #10
|
||||
jmp store_D
|
||||
|
||||
else:
|
||||
; ELSE D=D+4*X+6
|
||||
lda XX
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #6
|
||||
store_D:
|
||||
sta D
|
||||
|
||||
do_plots:
|
||||
; setup constants
|
||||
|
||||
lda XX
|
||||
eor #$FF
|
||||
sta MINUSXX
|
||||
inc MINUSXX
|
||||
|
||||
lda YY
|
||||
eor #$FF
|
||||
sta MINUSYY
|
||||
inc MINUSYY
|
||||
|
||||
; HPLOT CX+X,CY+Y
|
||||
; HPLOT CX-X,CY+Y
|
||||
; HPLOT CX+X,CY-Y
|
||||
; HPLOT CX-X,CY-Y
|
||||
; HPLOT CX+Y,CY+X
|
||||
; HPLOT CX-Y,CY+X
|
||||
; HPLOT CX+Y,CY-X
|
||||
; HPLOT CX-Y,CY-X
|
||||
|
||||
; calc X co-ord
|
||||
|
||||
lda #7
|
||||
sta COUNT
|
||||
pos_loop:
|
||||
lda COUNT
|
||||
and #$4
|
||||
lsr
|
||||
tay
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
bcc xnoc
|
||||
iny
|
||||
xnoc:
|
||||
lda CX
|
||||
clc
|
||||
adc XX,Y
|
||||
tax
|
||||
|
||||
; calc y co-ord
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
eor #$2
|
||||
tay
|
||||
|
||||
lda CY
|
||||
clc
|
||||
adc XX,Y
|
||||
|
||||
ldy #0
|
||||
|
||||
jsr HPLOT0 ; plot at (Y,X), (A)
|
||||
|
||||
dec COUNT
|
||||
bpl pos_loop
|
||||
|
||||
|
||||
; IFY>=XTHEN4
|
||||
lda YY
|
||||
cmp XX
|
||||
bcs circle_loop
|
||||
|
||||
done:
|
||||
lda RR
|
||||
clc
|
||||
adc #1
|
||||
sta RR
|
||||
stop:
|
||||
cmp #19
|
||||
beq stop
|
||||
|
||||
; GOTO1
|
||||
jmp draw_next
|
||||
|
||||
|
||||
radii:
|
||||
.byte <4000, <3200, <1600, <1066, <800, <640, <533, <457
|
||||
.byte <400, <355, <320, <290, <266, 246, 228, 213
|
||||
.byte 200, 188, 177, 168, 160, 152, 145, 139
|
||||
.byte 133, 128, 123, 118, 114, 110, 106, 103
|
||||
.byte 100, 96, 94, 91, 88, 86, 84, 82
|
||||
.byte 80, 78, 76, 74, 72, 71, 69, 68
|
||||
.byte 66, 65, 64, 62, 61, 60, 59, 58
|
||||
.byte 57, 56, 55, 54, 53, 52, 51, 50
|
||||
.byte 50, 49, 48, 47, 47, 46, 45, 45
|
||||
.byte 44, 43, 43, 42, 42, 41, 41, 40
|
||||
.byte 40, 39, 39, 38, 38, 37, 37, 36
|
||||
.byte 36, 35, 35, 35, 34, 34, 34, 33
|
||||
.byte 33, 32, 32, 32, 32, 31, 31, 31
|
||||
.byte 30, 30, 30, 29, 29, 29, 29, 28
|
||||
.byte 28, 28, 28, 27, 27, 27, 27, 26
|
||||
.byte 26, 26, 26, 26, 25, 25, 25, 25
|
||||
.byte 25, 24, 24, 24, 24, 24, 23, 23
|
||||
.byte 23, 23, 23, 23, 22, 22, 22, 22
|
||||
.byte 22, 22, 21, 21, 21, 21, 21, 21
|
||||
.byte 21, 20, 20, 20, 20, 20, 20, 20
|
||||
.byte 20, 19, 19, 19, 19, 19, 19, 19
|
||||
.byte 19, 18, 18, 18, 18, 18, 18, 18
|
||||
.byte 18, 18, 17, 17, 17, 17, 17, 17
|
||||
.byte 17, 17, 17, 17, 17, 16, 16, 16
|
||||
.byte 16, 16, 16, 16, 16, 16, 16, 16
|
||||
.byte 16, 15, 15, 15, 15, 15, 15, 15
|
||||
.byte 15, 15, 15, 15, 15, 15, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 14, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 12
|
||||
.byte 12, 12, 12, 12, 12, 12, 12, 12
|
||||
|
||||
; num-stars = 20
|
||||
|
||||
star_z:
|
||||
.byte 15,26,38,50,63,75,78,100,112,125,137
|
||||
.byte 150,162,175,187,200,212,224,237
|
||||
|
||||
|
239
graphics/hgr/circles/tunnel.s
Normal file
@ -0,0 +1,239 @@
|
||||
; tunnel
|
||||
|
||||
; D0+ used by HGR routines
|
||||
|
||||
HGR_COLOR = $E4
|
||||
HGR_PAGE = $E6
|
||||
|
||||
RR = $F5
|
||||
COUNT = $F6
|
||||
|
||||
|
||||
|
||||
XX = $F7
|
||||
MINUSXX = $F8
|
||||
YY = $F9
|
||||
MINUSYY = $FA
|
||||
|
||||
D = $FB
|
||||
R = $FC
|
||||
CX = $FD
|
||||
CY = $FE
|
||||
FRAME = $FF
|
||||
|
||||
; soft-switches
|
||||
|
||||
KEYPRESS = $C000
|
||||
KEYRESET = $C010
|
||||
|
||||
; ROM routines
|
||||
|
||||
HGR2 = $F3D8 ; set hires page2 and clear $4000-$5fff
|
||||
HGR = $F3E2 ; set hires page1 and clear $2000-$3fff
|
||||
HPLOT0 = $F457 ; plot at (Y,X), (A)
|
||||
HCOLOR1 = $F6F0 ; set HGR_COLOR to value in X
|
||||
COLORTBL = $F6F6
|
||||
PLOT = $F800 ; PLOT AT Y,A (A colors output, Y preserved)
|
||||
NEXTCOL = $F85F ; COLOR=COLOR+3
|
||||
SETCOL = $F864 ; COLOR=A
|
||||
SETGR = $FB40 ; set graphics and clear LO-RES screen
|
||||
BELL2 = $FBE4
|
||||
WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
|
||||
|
||||
tunnel:
|
||||
; from R=12 to R=256 or so
|
||||
|
||||
|
||||
jsr HGR2
|
||||
|
||||
lda #10
|
||||
sta RR
|
||||
|
||||
draw_next:
|
||||
|
||||
ldx RR
|
||||
lda radii,X
|
||||
sta R
|
||||
|
||||
|
||||
; lda KEYPRESS
|
||||
; bpl draw_next
|
||||
|
||||
; bit KEYRESET
|
||||
|
||||
|
||||
lda #128
|
||||
sta CX
|
||||
lda #96
|
||||
sta CY
|
||||
|
||||
|
||||
;===============================
|
||||
; draw circle
|
||||
;===============================
|
||||
; draw circle at (CX,CY) of radius R
|
||||
; signed 8-bit math so problems if R > 64?
|
||||
|
||||
|
||||
; XX=0 YY=R
|
||||
; D=3-2*R
|
||||
; GOTO6
|
||||
|
||||
lda #0
|
||||
sta XX
|
||||
|
||||
lda R
|
||||
sta YY
|
||||
|
||||
lda #3
|
||||
sec
|
||||
sbc R
|
||||
sbc R
|
||||
sta D
|
||||
|
||||
jmp do_plots
|
||||
|
||||
circle_loop:
|
||||
; X=X+1
|
||||
|
||||
inc XX
|
||||
|
||||
; IF D>0 THEN Y=Y-1:D=D+4*(X-Y)+10
|
||||
lda D
|
||||
bmi else
|
||||
|
||||
dec YY
|
||||
|
||||
lda XX
|
||||
sec
|
||||
sbc YY
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #10
|
||||
jmp store_D
|
||||
|
||||
else:
|
||||
; ELSE D=D+4*X+6
|
||||
lda XX
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #6
|
||||
store_D:
|
||||
sta D
|
||||
|
||||
do_plots:
|
||||
; setup constants
|
||||
|
||||
lda XX
|
||||
eor #$FF
|
||||
sta MINUSXX
|
||||
inc MINUSXX
|
||||
|
||||
lda YY
|
||||
eor #$FF
|
||||
sta MINUSYY
|
||||
inc MINUSYY
|
||||
|
||||
; HPLOT CX+X,CY+Y
|
||||
; HPLOT CX-X,CY+Y
|
||||
; HPLOT CX+X,CY-Y
|
||||
; HPLOT CX-X,CY-Y
|
||||
; HPLOT CX+Y,CY+X
|
||||
; HPLOT CX-Y,CY+X
|
||||
; HPLOT CX+Y,CY-X
|
||||
; HPLOT CX-Y,CY-X
|
||||
|
||||
; calc X co-ord
|
||||
|
||||
lda #7
|
||||
sta COUNT
|
||||
pos_loop:
|
||||
lda COUNT
|
||||
and #$4
|
||||
lsr
|
||||
tay
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
bcc xnoc
|
||||
iny
|
||||
xnoc:
|
||||
lda CX
|
||||
clc
|
||||
adc XX,Y
|
||||
tax
|
||||
|
||||
; calc y co-ord
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
eor #$2
|
||||
tay
|
||||
|
||||
lda CY
|
||||
clc
|
||||
adc XX,Y
|
||||
|
||||
ldy #0
|
||||
|
||||
jsr HPLOT0 ; plot at (Y,X), (A)
|
||||
|
||||
dec COUNT
|
||||
bpl pos_loop
|
||||
|
||||
|
||||
; IFY>=XTHEN4
|
||||
lda YY
|
||||
cmp XX
|
||||
bcs circle_loop
|
||||
|
||||
done:
|
||||
lda RR
|
||||
clc
|
||||
adc #1
|
||||
sta RR
|
||||
stop:
|
||||
cmp #250
|
||||
beq stop
|
||||
|
||||
; GOTO1
|
||||
jmp draw_next
|
||||
|
||||
|
||||
radii:
|
||||
.byte <4000, <3200, <1600, <1066, <800, <640, <533, <457
|
||||
.byte <400, <355, <320, <290, <266, 246, 228, 213
|
||||
.byte 200, 188, 177, 168, 160, 152, 145, 139
|
||||
.byte 133, 128, 123, 118, 114, 110, 106, 103
|
||||
.byte 100, 96, 94, 91, 88, 86, 84, 82
|
||||
.byte 80, 78, 76, 74, 72, 71, 69, 68
|
||||
.byte 66, 65, 64, 62, 61, 60, 59, 58
|
||||
.byte 57, 56, 55, 54, 53, 52, 51, 50
|
||||
.byte 50, 49, 48, 47, 47, 46, 45, 45
|
||||
.byte 44, 43, 43, 42, 42, 41, 41, 40
|
||||
.byte 40, 39, 39, 38, 38, 37, 37, 36
|
||||
.byte 36, 35, 35, 35, 34, 34, 34, 33
|
||||
.byte 33, 32, 32, 32, 32, 31, 31, 31
|
||||
.byte 30, 30, 30, 29, 29, 29, 29, 28
|
||||
.byte 28, 28, 28, 27, 27, 27, 27, 26
|
||||
.byte 26, 26, 26, 26, 25, 25, 25, 25
|
||||
.byte 25, 24, 24, 24, 24, 24, 23, 23
|
||||
.byte 23, 23, 23, 23, 22, 22, 22, 22
|
||||
.byte 22, 22, 21, 21, 21, 21, 21, 21
|
||||
.byte 21, 20, 20, 20, 20, 20, 20, 20
|
||||
.byte 20, 19, 19, 19, 19, 19, 19, 19
|
||||
.byte 19, 18, 18, 18, 18, 18, 18, 18
|
||||
.byte 18, 18, 17, 17, 17, 17, 17, 17
|
||||
.byte 17, 17, 17, 17, 17, 16, 16, 16
|
||||
.byte 16, 16, 16, 16, 16, 16, 16, 16
|
||||
.byte 16, 15, 15, 15, 15, 15, 15, 15
|
||||
.byte 15, 15, 15, 15, 15, 15, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 14, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 12
|
||||
.byte 12, 12, 12, 12, 12, 12, 12, 12
|
239
graphics/hgr/circles/web2.s
Normal file
@ -0,0 +1,239 @@
|
||||
; tunnel
|
||||
|
||||
; D0+ used by HGR routines
|
||||
|
||||
HGR_COLOR = $E4
|
||||
HGR_PAGE = $E6
|
||||
|
||||
RR = $F5
|
||||
COUNT = $F6
|
||||
|
||||
|
||||
|
||||
XX = $F7
|
||||
MINUSXX = $F8
|
||||
YY = $F9
|
||||
MINUSYY = $FA
|
||||
|
||||
D = $FB
|
||||
R = $FC
|
||||
CX = $FD
|
||||
CY = $FE
|
||||
FRAME = $FF
|
||||
|
||||
; soft-switches
|
||||
|
||||
KEYPRESS = $C000
|
||||
KEYRESET = $C010
|
||||
|
||||
; ROM routines
|
||||
|
||||
HGR2 = $F3D8 ; set hires page2 and clear $4000-$5fff
|
||||
HGR = $F3E2 ; set hires page1 and clear $2000-$3fff
|
||||
HPLOT0 = $F457 ; plot at (Y,X), (A)
|
||||
HCOLOR1 = $F6F0 ; set HGR_COLOR to value in X
|
||||
COLORTBL = $F6F6
|
||||
PLOT = $F800 ; PLOT AT Y,A (A colors output, Y preserved)
|
||||
NEXTCOL = $F85F ; COLOR=COLOR+3
|
||||
SETCOL = $F864 ; COLOR=A
|
||||
SETGR = $FB40 ; set graphics and clear LO-RES screen
|
||||
BELL2 = $FBE4
|
||||
WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
|
||||
|
||||
tunnel:
|
||||
; from R=12 to R=256 or so
|
||||
|
||||
|
||||
jsr HGR2
|
||||
|
||||
lda #13
|
||||
sta RR
|
||||
|
||||
draw_next:
|
||||
|
||||
ldx RR
|
||||
lda radii,X
|
||||
sta R
|
||||
|
||||
|
||||
; lda KEYPRESS
|
||||
; bpl draw_next
|
||||
|
||||
; bit KEYRESET
|
||||
|
||||
|
||||
lda #128
|
||||
sta CX
|
||||
lda #96
|
||||
sta CY
|
||||
|
||||
|
||||
;===============================
|
||||
; draw circle
|
||||
;===============================
|
||||
; draw circle at (CX,CY) of radius R
|
||||
; signed 8-bit math so problems if R > 64?
|
||||
|
||||
|
||||
; XX=0 YY=R
|
||||
; D=3-2*R
|
||||
; GOTO6
|
||||
|
||||
lda #0
|
||||
sta XX
|
||||
|
||||
lda R
|
||||
sta YY
|
||||
|
||||
lda #3
|
||||
sec
|
||||
sbc R
|
||||
sbc R
|
||||
sta D
|
||||
|
||||
jmp do_plots
|
||||
|
||||
circle_loop:
|
||||
; X=X+1
|
||||
|
||||
inc XX
|
||||
|
||||
; IF D>0 THEN Y=Y-1:D=D+4*(X-Y)+10
|
||||
lda D
|
||||
bmi else
|
||||
|
||||
dec YY
|
||||
|
||||
lda XX
|
||||
sec
|
||||
sbc YY
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #10
|
||||
jmp store_D
|
||||
|
||||
else:
|
||||
; ELSE D=D+4*X+6
|
||||
lda XX
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc D
|
||||
adc #6
|
||||
store_D:
|
||||
sta D
|
||||
|
||||
do_plots:
|
||||
; setup constants
|
||||
|
||||
lda XX
|
||||
eor #$FF
|
||||
sta MINUSXX
|
||||
inc MINUSXX
|
||||
|
||||
lda YY
|
||||
eor #$FF
|
||||
sta MINUSYY
|
||||
inc MINUSYY
|
||||
|
||||
; HPLOT CX+X,CY+Y
|
||||
; HPLOT CX-X,CY+Y
|
||||
; HPLOT CX+X,CY-Y
|
||||
; HPLOT CX-X,CY-Y
|
||||
; HPLOT CX+Y,CY+X
|
||||
; HPLOT CX-Y,CY+X
|
||||
; HPLOT CX+Y,CY-X
|
||||
; HPLOT CX-Y,CY-X
|
||||
|
||||
; calc X co-ord
|
||||
|
||||
lda #7
|
||||
sta COUNT
|
||||
pos_loop:
|
||||
lda COUNT
|
||||
and #$4
|
||||
lsr
|
||||
tay
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
bcc xnoc
|
||||
iny
|
||||
xnoc:
|
||||
lda CX
|
||||
clc
|
||||
adc XX,Y
|
||||
tax
|
||||
|
||||
; calc y co-ord
|
||||
|
||||
lda COUNT
|
||||
lsr
|
||||
eor #$2
|
||||
tay
|
||||
|
||||
lda CY
|
||||
clc
|
||||
adc XX,Y
|
||||
|
||||
ldy #0
|
||||
|
||||
jsr HPLOT0 ; plot at (Y,X), (A)
|
||||
|
||||
dec COUNT
|
||||
bpl pos_loop
|
||||
|
||||
|
||||
; IFY>=XTHEN4
|
||||
lda YY
|
||||
cmp XX
|
||||
bcs circle_loop
|
||||
|
||||
done:
|
||||
lda RR
|
||||
clc
|
||||
adc #1
|
||||
sta RR
|
||||
stop:
|
||||
cmp #250
|
||||
beq stop
|
||||
|
||||
; GOTO1
|
||||
jmp draw_next
|
||||
|
||||
|
||||
radii:
|
||||
.byte <4000, <3200, <1600, <1066, <800, <640, <533, <457
|
||||
.byte <400, <355, <320, <290, <266, 246, 228, 213
|
||||
.byte 200, 188, 177, 168, 160, 152, 145, 139
|
||||
.byte 133, 128, 123, 118, 114, 110, 106, 103
|
||||
.byte 100, 96, 94, 91, 88, 86, 84, 82
|
||||
.byte 80, 78, 76, 74, 72, 71, 69, 68
|
||||
.byte 66, 65, 64, 62, 61, 60, 59, 58
|
||||
.byte 57, 56, 55, 54, 53, 52, 51, 50
|
||||
.byte 50, 49, 48, 47, 47, 46, 45, 45
|
||||
.byte 44, 43, 43, 42, 42, 41, 41, 40
|
||||
.byte 40, 39, 39, 38, 38, 37, 37, 36
|
||||
.byte 36, 35, 35, 35, 34, 34, 34, 33
|
||||
.byte 33, 32, 32, 32, 32, 31, 31, 31
|
||||
.byte 30, 30, 30, 29, 29, 29, 29, 28
|
||||
.byte 28, 28, 28, 27, 27, 27, 27, 26
|
||||
.byte 26, 26, 26, 26, 25, 25, 25, 25
|
||||
.byte 25, 24, 24, 24, 24, 24, 23, 23
|
||||
.byte 23, 23, 23, 23, 22, 22, 22, 22
|
||||
.byte 22, 22, 21, 21, 21, 21, 21, 21
|
||||
.byte 21, 20, 20, 20, 20, 20, 20, 20
|
||||
.byte 20, 19, 19, 19, 19, 19, 19, 19
|
||||
.byte 19, 18, 18, 18, 18, 18, 18, 18
|
||||
.byte 18, 18, 17, 17, 17, 17, 17, 17
|
||||
.byte 17, 17, 17, 17, 17, 16, 16, 16
|
||||
.byte 16, 16, 16, 16, 16, 16, 16, 16
|
||||
.byte 16, 15, 15, 15, 15, 15, 15, 15
|
||||
.byte 15, 15, 15, 15, 15, 15, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 14, 14, 14
|
||||
.byte 14, 14, 14, 14, 14, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 13
|
||||
.byte 13, 13, 13, 13, 13, 13, 13, 12
|
||||
.byte 12, 12, 12, 12, 12, 12, 12, 12
|