xdraw: shimmer: make it for the bot

This commit is contained in:
Vince Weaver 2021-05-05 14:51:11 -04:00
parent e9c0699bc1
commit 504ae805e7
4 changed files with 173 additions and 2 deletions

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@ -0,0 +1,2 @@
1FORI=0TO138:POKE1013+I,4*PEEK(2126+I)-192+(PEEK(2265+I/3)-35)/4^(I-INT(I/3)*3):NEXT
2&",clV/QPX3JnZ#NiV7QfX5PoX*XoVo8,kXKX1Z08=kiXYY71l-Xo5IoPoC/0Yb?o=J0MnYk5J'No`_d`X0_0@>OW0@j[kk:/k?0[>0b@biV?S>0SC1CA1CF02.l?09=:5?=9=H??58;0S4G@Z4G(;0D#$L'09'(3W'46W,+$4#GC43C43$#4aGS7Y3#

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@ -9,7 +9,7 @@ all: triangles.dsk
triangles.dsk: HELLO TINY_TRIANGLES XOR MOD9 MOD9_64 WRITING MOVE_RIGHT \
SIER_HGR SIER_HPLOT SIER_MOVERIGHT SIER_INLINE SIER_INTERLACE \
RAINBOW_SQUARES
RAINBOW_SQUARES FEATHERS
cp $(EMPTY_DISK) triangles.dsk
$(DOS33) -y triangles.dsk SAVE A HELLO
$(DOS33) -y triangles.dsk BSAVE -a 0x070 TINY_TRIANGLES
@ -24,6 +24,7 @@ triangles.dsk: HELLO TINY_TRIANGLES XOR MOD9 MOD9_64 WRITING MOVE_RIGHT \
$(DOS33) -y triangles.dsk BSAVE -a 0x300 SIER_HPLOT
$(DOS33) -y triangles.dsk BSAVE -a 0x300 SIER_INTERLACE
$(DOS33) -y triangles.dsk BSAVE -a 0x300 RAINBOW_SQUARES
$(DOS33) -y triangles.dsk BSAVE -a 0x300 FEATHERS
###
@ -88,6 +89,16 @@ SIER_HPLOT: sier_hplot.o
sier_hplot.o: sier_hplot.s
ca65 -o sier_hplot.o sier_hplot.s -l sier_hplot.lst
###
FEATHERS: feathers.o
ld65 -o FEATHERS feathers.o -C $(LINKER_SCRIPTS)/apple2_300.inc
feathers.o: feathers.s
ca65 -o feathers.o feathers.s -l feathers.lst
###
SIER_MOVERIGHT: sier_moveright.o

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@ -8,7 +8,7 @@ LINKERSCRIPTS = ../../../linker_scripts
all: xdraw.dsk
xdraw.dsk: HELLO TINY_XDRAW TINY_COOL TINY_LINES TINY_CENTER NYAN XDRAW_TEST SHIMMER
xdraw.dsk: HELLO TINY_XDRAW TINY_COOL TINY_LINES TINY_CENTER NYAN XDRAW_TEST SHIMMER SHIMMER_BOT
cp $(EMPTYDISK) xdraw.dsk
$(DOS33) -y xdraw.dsk SAVE A HELLO
$(DOS33) -y xdraw.dsk BSAVE -a 0xE7 TINY_XDRAW
@ -18,6 +18,7 @@ xdraw.dsk: HELLO TINY_XDRAW TINY_COOL TINY_LINES TINY_CENTER NYAN XDRAW_TEST SHI
$(DOS33) -y xdraw.dsk BSAVE -a 0xC00 NYAN
$(DOS33) -y xdraw.dsk BSAVE -a 0xE7 XDRAW_TEST
$(DOS33) -y xdraw.dsk BSAVE -a 0xC00 SHIMMER
$(DOS33) -y xdraw.dsk BSAVE -a 0x3f5 SHIMMER_BOT
###
@ -83,6 +84,14 @@ SHIMMER: shimmer.o
shimmer.o: shimmer.s
ca65 -o shimmer.o shimmer.s -l shimmer.lst
###
SHIMMER_BOT: shimmer_bot.o
ld65 -o SHIMMER_BOT shimmer_bot.o -C $(LINKERSCRIPTS)/apple2_3f5.inc
shimmer_bot.o: shimmer_bot.s
ca65 -o shimmer_bot.o shimmer_bot.s -l shimmer_bot.lst

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@ -0,0 +1,149 @@
; zero page locations
HGR_SHAPE = $1A
SEEDL = $4E
FRAME = $A4
OUR_ROT = $A5
RND_EXP = $C9
HGR_PAGE = $E6
HGR_SCALE = $E7
HGR_ROTATION = $F9
DIRECTION = $FC
XPOS = $FD
YPOS = $FF
; Soft Switches
KEYPRESS = $C000
KEYRESET = $C010
SPEAKER = $C030
PAGE0 = $C054
PAGE1 = $C055
; ROM calls
RND = $EFAE
HGR2 = $F3D8
HCLR = $F3F2
HCLR_COLOR = $F3F4
HPOSN = $F411
XDRAW0 = $F65D
TEXT = $FB36 ; Set text mode
WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
shimmer:
;=========================================
; SETUP
;=========================================
jsr HGR2
lda #0
sta FRAME
lda #14
sta YPOS
lda #3
sta HGR_SCALE
lda #32
sta DIRECTION
lda #22 ; only set once, we wrap
sta XPOS
y_loop:
x_loop:
main_loop:
;=======================
; xdraw
;=======================
xdraw:
; setup X and Y co-ords
ldy #0 ; XPOSH always 0 for us
ldx XPOS
lda YPOS
jsr HPOSN ; X= (y,x) Y=(a)
ldx #<shape_dsr
ldy #>shape_dsr
lda #0 ; set rotation
jsr XDRAW0 ; XDRAW 1 AT X,Y
; Both A and X are 0 at exit
inc FRAME
lda FRAME
and #$7
beq reverse
add_x:
lda XPOS
clc
adc DIRECTION
sta XPOS
jmp x_loop
reverse:
lda DIRECTION ; switch direction
eor #$ff
sec
adc #0
sta DIRECTION
lda YPOS
clc
adc #16
sta YPOS
cmp #190
bne y_loop
do_shimmer_y:
ldx #0
do_shimmer_x:
blargh:
lda $4000,X
eor #$80
blargh2:
sta $4000,X
inx
bne do_shimmer_x
inc blargh+2
inc blargh2+2
lda blargh+2
cmp #$60
bne do_shimmer_y
lda #$40
sta blargh+2
sta blargh2+2
jmp do_shimmer_y
end:
jmp end
;shape_dsr:
;.byte $2d,$36,$ff,$3f
;.byte $24,$ad,$22,$24,$94,$21,$2c,$4d
;.byte $91,$3f,$36,$00
shape_dsr:
.byte $09,$36,$ff,$3f
.byte $24,$2d,$36,$58,$20,$3f,$48,$29
.byte $35,$96,$49,$3f,$24,$24,$2d,$00