basic: add target

This commit is contained in:
Vince Weaver 2022-09-01 21:03:24 -04:00
parent 021d88784f
commit 3e93b60331
4 changed files with 204 additions and 3 deletions

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@ -25,7 +25,8 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
HORROR.BAS DIAMOND.BAS LEMM.BAS OOPS.BAS SPLIT.BAS PARTICLE.BAS \
PARTICLE_HGR.BAS DIAMOND_SCROLL.BAS RANDOM_SCROLL.BAS STAR_BOUNCE.BAS\
OOZE.BAS HORIZ_STAR.BAS SECRET_COLLECT.BAS PLANET.BAS PLANET_GR.BAS \
BOXES.BAS SOLARIS.BAS SOLARIS2.BAS ASPLODE.BAS
BOXES.BAS SOLARIS.BAS SOLARIS2.BAS ASPLODE.BAS SOLARIS3.BAS \
TARGET.BAS
cp $(EMPTY_DISK)/empty.dsk appleiibot.dsk
# cp empty.dsk appleiibot.dsk
# $(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
@ -131,9 +132,11 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
$(DOS33) -y appleiibot.dsk SAVE A PLANET.BAS
$(DOS33) -y appleiibot.dsk SAVE A PLANET_GR.BAS
$(DOS33) -y appleiibot.dsk SAVE A BOXES.BAS
$(DOS33) -y appleiibot.dsk SAVE A SOLARIS.BAS
$(DOS33) -y appleiibot.dsk SAVE A SOLARIS2.BAS
# $(DOS33) -y appleiibot.dsk SAVE A SOLARIS.BAS
# $(DOS33) -y appleiibot.dsk SAVE A SOLARIS2.BAS
$(DOS33) -y appleiibot.dsk SAVE A ASPLODE.BAS
$(DOS33) -y appleiibot.dsk SAVE A SOLARIS3.BAS
$(DOS33) -y appleiibot.dsk SAVE A TARGET.BAS
#appleiibot2.dsk: BOXES.BAS HELLO
# cp empty.dsk appleiibot2.dsk
@ -756,9 +759,20 @@ SOLARIS2.BAS: solaris2.bas
####
SOLARIS3.BAS: solaris3.bas
$(TOKENIZE) < solaris3.bas > SOLARIS3.BAS
####
ASPLODE.BAS: asplode.bas
$(TOKENIZE) < asplode.bas > ASPLODE.BAS
####
TARGET.BAS: target.bas
$(TOKENIZE) < target.bas > TARGET.BAS
####

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@ -0,0 +1,6 @@
0REM~8)g)gX8X8)gX~82gN~8<gE~8Eg<~8Ng2~8Xg)~B3BN]N]3~I:IGVGV:~L=LDSDS=~N?NBQBQ?~D+D,N/N.O-Q.Q/[,Z+~D4D3N/N0O1Q0Q/[3Z4~M-N.~Q.R-~M1N0~Q0R1!
1HGR2:DEFFNP(X)=3*PEEK(2054+I+X)-99
2IFFNP(0)=279THENHPLOTFNP(1),FNP(2):I=I+3
3HPLOTTOFNP(0),FNP(1):I=I+2:IFFNP(0)GOTO2

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@ -0,0 +1,45 @@
# Roughly based on https://dribbble.com/shots/7503971-Target
# 25+28= 25 53 81 109 137 165
279 70 25 210 25 # 0 Upper left Right
210 165 # 1 Down
70 165 # 2 Left
70 25 # 3 Up
210 165 # 4 Diagonal
279 70 53 210 137 # 5 Diagonal2
279 70 81 210 109 # 6 Diagonal3
279 70 109 210 81 # 7 Diagonal4
279 70 137 210 53 # 8 Diagonal5
279 70 165 210 25 # 9 Diagonal6
279 99 54 99 136 # 10 U#1
180 136
180 54
279 120 75 120 116 # 11 U#2
160 116
160 75
279 130 86 130 105 # 12 U#3
150 105
150 86
279 136 90 136 101 # 13 U#4
146 101
146 90
279 107 31 105 33 # X-WingTop tip
135 43 # wing to body
136 39 # +1,-4
140 37 # +4,-2 top
144 39 # +4,+2
146 43 # +1,+4
175 33 # body to tip
173 31 # tip
279 107 58 105 54 # X-wing bottom
135 43 # wing to body
136 47 # +1,+4
140 49 # +4,+2
144 47 # +4,-2
146 43 # +1,-4
175 54
173 58
279 133 36 135 40
279 144 40 148 36
279 133 50 135 47
279 144 47 148 50
0

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@ -0,0 +1,136 @@
; Solaris scrolling code
; 150 bytes = from solaris2
; 102 bytes = drop half terms from lookup table
; 122 bytes = page flipping
; 144 bytes = got some stars going
; 143 bytes = re-arrange color assignment
; zero page
GBASL = $26
GBASH = $27
HGR_X = $E0
HGR_XH = $E1
HGR_Y = $E2
HGR_COLOR = $E4
HGR_PAGE = $E6
HGR_SCALE = $E7
; soft-switches
FULLGR = $C052
PAGE1 = $C054
; ROM routines
HGR = $F3E2
HGR2 = $F3D8
HPOSN = $F411 ; (Y,X),(A) (values stores in HGRX,XH,Y)
; put in GBASL/GBASH
WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
DRAW0 = $F601
XDRAW0 = $F65D
COUNT = $FE
FRAME = $FF
solaris4:
jsr HGR
jsr HGR2
draw_stars:
ldx #32
lda #1
draw_stars_loop:
ldy $D000,X
stars1_smc:
sta $2000,Y
stars2_smc:
sta $4000,Y
inc stars1_smc+2
inc stars2_smc+2
dex
bpl draw_stars_loop
; X = FF here
outer_loop:
dex ; decrement offset
txa
and #$7 ; make sure stays less than 8
tax
ldy #0
; sty COUNT ; reset count to 0
inner_loop:
; count is in Y here
sty COUNT
sec
lda #191
sbc COUNT ; YY = 160-COUNT
jsr HPOSN ; calculate line addr in GBASL/H, trashes all
ldx HGR_X ; restore offset
lda #$ff ; default is white
ldy lookup,X ; see if match count
cpy COUNT
bne skip_color
; clc ; needed?
; carry always set here
txa
adc #7
tax
lda #$00 ; draw black
skip_color:
ldy #39 ; draw horizontal line at GBASL
inner_inner_loop:
sta (GBASL),Y
dey
bpl inner_inner_loop
; Y is FF here
ldy COUNT
iny
cpy #84
bne inner_loop
flip_pages:
; Y should be 84 here
lda HGR_PAGE ; will be $20/$40
eor #$60 ; flip draw page between $2000/$4000
sta HGR_PAGE
cmp #$40
bne done_page
dey
done_page:
lda PAGE1-83,Y ; set display page to PAGE1 or PAGE2
jmp outer_loop
lookup:
.byte 2, 8,14,19,23,27,31,34
.byte 37,40,43,45,47,49,51,53
.byte 55,57,58,60,61,62,64,65
.byte 66,67,68,69,70,71,71,72
.byte 73,74,75,75,76,77,77,78
.byte 78,79,79,80,80,81,81,82