basic: par

This commit is contained in:
Vince Weaver 2022-09-25 23:16:32 -04:00
parent f02c284329
commit 6aa3e56252
6 changed files with 493 additions and 3 deletions

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@ -27,7 +27,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
OOZE.BAS HORIZ_STAR.BAS PLANET.BAS SECRET_COLLECT.BAS PLANET_GR.BAS \
BOXES.BAS SOLARIS.BAS SOLARIS2.BAS ASPLODE.BAS SOLARIS3.BAS \
TARGET.BAS ELITE.BAS MYSTERY.BAS OFFICE.BAS GR_XOR.BAS \
LARGE_XOR.BAS
LARGE_XOR.BAS PAR_XOR.BAS
cp $(EMPTY_DISK)/empty_lots_of_dirents.dsk appleiibot.dsk
# cp empty.dsk appleiibot.dsk
# $(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
@ -143,6 +143,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
$(DOS33) -y appleiibot.dsk SAVE A OFFICE.BAS
$(DOS33) -y appleiibot.dsk SAVE A GR_XOR.BAS
$(DOS33) -y appleiibot.dsk SAVE A LARGE_XOR.BAS
$(DOS33) -y appleiibot.dsk SAVE A PAR_XOR.BAS
####
@ -800,6 +801,11 @@ GR_XOR.BAS: gr_xor.bas
LARGE_XOR.BAS: large_xor.bas
$(TOKENIZE) < large_xor.bas > LARGE_XOR.BAS
####
PAR_XOR.BAS: par_xor.bas
$(TOKENIZE) < par_xor.bas > PAR_XOR.BAS
####

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@ -0,0 +1,2 @@
1FORI=0TO126:POKE889+I,4*PEEK(2125+I)-204+(PEEK(2252+I/3)-35)/4^(I-INT(I/3)*3):NEXT
2&"/@q<GcY2ThjmRkEIkEPm\h[r;CE\aH_LE/SrP6U8DqY<9GqT0X<Y2TrAYhmTkTDh;3k3]ETr=Xl`QqQ8M&Aq=4o+[<TrAPjmIoU0K3=p=5o4V8Tq\rU<U/`e7^?REQ3S+4LLP49K'37Q/08V4#4>J3'3Z5X$G$GPG@#@',C#5&

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@ -8,13 +8,15 @@ TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
all: paralax.dsk
paralax.dsk: HELLO BOXES BOXES_BOT LARGE LARGE_BOT
paralax.dsk: HELLO BOXES BOXES_BOT LARGE LARGE_BOT PAR PAR_BOT
cp $(EMPTY_DISK) paralax.dsk
$(DOS33) -y paralax.dsk SAVE A HELLO
$(DOS33) -y paralax.dsk BSAVE -a 0xc00 BOXES
$(DOS33) -y paralax.dsk BSAVE -a 0x3B7 BOXES_BOT
$(DOS33) -y paralax.dsk BSAVE -a 0xc00 LARGE
$(DOS33) -y paralax.dsk BSAVE -a 0x386 LARGE_BOT
$(DOS33) -y paralax.dsk BSAVE -a 0xc00 PAR
$(DOS33) -y paralax.dsk BSAVE -a 0x379 PAR_BOT
###
@ -32,6 +34,15 @@ LARGE: large.o
large.o: large.s
ca65 -o large.o large.s -l large.lst
###
PAR: par.o
ld65 -o PAR par.o -C $(LINKER_DIR)/apple2_c00.inc
par.o: par.s
ca65 -o par.o par.s -l par.lst
###
@ -52,6 +63,15 @@ large_bot.o: large_bot.s
###
PAR_BOT: par_bot.o
ld65 -o PAR_BOT par_bot.o -C $(LINKER_DIR)/apple2_379.inc
par_bot.o: par_bot.s
ca65 -o par_bot.o par_bot.s -l par_bot.lst
###
HELLO: hello.bas
$(TOKENIZE) < hello.bas > HELLO
@ -60,5 +80,5 @@ HELLO: hello.bas
clean:
rm -f *~ *.o *.lst HELLO BOXES *.zip
rm -f *~ *.o *.lst HELLO BOXES BOXES_BOT LARGE LARGE_BOT PAR PAR_BOT

225
graphics/gr/parallax/par.s Normal file
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@ -0,0 +1,225 @@
; Parallax
; by deater (Vince Weaver) <vince@deater.net>
; Zero Page
GBASL = $26
GBASH = $27
H2 = $2C
COLOR = $30
FRAME = $EA
FRAME2 = $EB
FRAME4 = $EC
X2 = $FB
COLORS = $FC
PAGE = $FD
; Soft Switches
KEYPRESS= $C000
KEYRESET= $C010
SET_GR = $C050 ; Enable graphics
FULLGR = $C052 ; Full screen, no text
PAGE1 = $C054 ; Page1
PAGE2 = $C055 ; Page2
LORES = $C056 ; Enable LORES graphics
; ROM routines
PLOT = $F800 ; plot, horiz=y, vert=A (A trashed, XY Saved)
SETCOL = $F864
GBASCALC= $F847 ;; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
SETGR = $FB40
HOME = $FC58 ;; Clear the text screen
WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
HLINE = $F819
parallax:
;===================
; init screen
jsr SETGR ; 3
bit FULLGR ; 3
lda #$0
sta PAGE
parallax_forever:
inc FRAME ; 2
lda FRAME
lsr
sta FRAME2
lsr
sta FRAME4
;========================
; update color
lda FRAME
; lsr
; lsr
; lsr
; lsr
; lsr
; and #$3
; tax
; lda colors,X
; sta COLORS
;==========================
; flip page
lda PAGE
pha
lsr
lsr
tay
lda PAGE1,Y
pla
eor #$4
sta PAGE
;========================
; setup for 23 lines
ldx #23 ; 2
yloop:
;==============
; point GBASL/GBSAH to current line
txa
jsr GBASCALC
lda GBASH
clc
adc PAGE
sta GBASH
;==============
; current column (work backwards)
ldy #39 ; 2
xloop:
lda #0
sta COLORS
; calculate colors
; color = (XX-FRAME)^(YY)
;===========================
; SMALL
sec ; subtract frame from Y
tya
sbc FRAME4
sta X2
txa
eor X2
and #$2
beq skip_color_small
lda #$4c
; lda #$1b
sta COLORS
skip_color_small:
;===========================
; MEDIUM
sec ; subtract frame from Y
tya
sbc FRAME2
sta X2
txa
clc
adc #1
eor X2
and #$4
beq skip_color_medium
lda #$26
sta COLORS
skip_color_medium:
;===========================
; LARGE
sec ; subtract frame from Y
tya
sbc FRAME
sta X2
txa
clc
adc #2
eor X2
and #$8
beq skip_color_large
lda #$1B
; lda #$4c
sta COLORS
skip_color_large:
;========================
; actually draw color
lda COLORS
sta (GBASL),Y
dey ; 1
bpl xloop ; 2
dex ; 1
bpl yloop ; 2
bmi parallax_forever ; 2
; 00 = right
; 01 = up
; 10 = left
; 11 = down
; adc = $65
; sbc = $E5
; for bot
; $3F5 - 127 + 3 = $379
jmp parallax

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@ -0,0 +1,225 @@
; Parallax
; by deater (Vince Weaver) <vince@deater.net>
; Zero Page
GBASL = $26
GBASH = $27
H2 = $2C
COLOR = $30
FRAME = $EA
FRAME2 = $EB
FRAME4 = $EC
X2 = $FB
COLORS = $FC
PAGE = $FD
; Soft Switches
KEYPRESS= $C000
KEYRESET= $C010
SET_GR = $C050 ; Enable graphics
FULLGR = $C052 ; Full screen, no text
PAGE1 = $C054 ; Page1
PAGE2 = $C055 ; Page2
LORES = $C056 ; Enable LORES graphics
; ROM routines
PLOT = $F800 ; plot, horiz=y, vert=A (A trashed, XY Saved)
SETCOL = $F864
GBASCALC= $F847 ;; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
SETGR = $FB40
HOME = $FC58 ;; Clear the text screen
WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
HLINE = $F819
parallax:
;===================
; init screen
jsr SETGR ; 3
bit FULLGR ; 3
lda #$0
sta PAGE
parallax_forever:
inc FRAME ; 2
lda FRAME
lsr
sta FRAME2
lsr
sta FRAME4
;========================
; update color
lda FRAME
; lsr
; lsr
; lsr
; lsr
; lsr
; and #$3
; tax
; lda colors,X
; sta COLORS
;==========================
; flip page
lda PAGE
pha
lsr
lsr
tay
lda PAGE1,Y
pla
eor #$4
sta PAGE
;========================
; setup for 23 lines
ldx #23 ; 2
yloop:
;==============
; point GBASL/GBSAH to current line
txa
jsr GBASCALC
lda GBASH
clc
adc PAGE
sta GBASH
;==============
; current column (work backwards)
ldy #39 ; 2
xloop:
lda #0
sta COLORS
; calculate colors
; color = (XX-FRAME)^(YY)
;===========================
; SMALL
sec ; subtract frame from Y
tya
sbc FRAME4
sta X2
txa
eor X2
and #$2
beq skip_color_small
lda #$4c
; lda #$1b
sta COLORS
skip_color_small:
;===========================
; MEDIUM
sec ; subtract frame from Y
tya
sbc FRAME2
sta X2
txa
clc
adc #1
eor X2
and #$4
beq skip_color_medium
lda #$26
sta COLORS
skip_color_medium:
;===========================
; LARGE
sec ; subtract frame from Y
tya
sbc FRAME
sta X2
txa
clc
adc #2
eor X2
and #$8
beq skip_color_large
lda #$1B
; lda #$4c
sta COLORS
skip_color_large:
;========================
; actually draw color
lda COLORS
sta (GBASL),Y
dey ; 1
bpl xloop ; 2
dex ; 1
bpl yloop ; 2
bmi parallax_forever ; 2
; 00 = right
; 01 = up
; 10 = left
; 11 = down
; adc = $65
; sbc = $E5
; for bot
; $3F5 - 127 + 3 = $379
jmp parallax

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@ -0,0 +1,12 @@
MEMORY {
ZP: start = $00, size = $1A, type = rw;
RAM: start = $379, size = $8E00, file = %O;
}
SEGMENTS {
CODE: load = RAM, type = ro;
RODATA: load = RAM, type = ro;
DATA: load = RAM, type = rw;
BSS: load = RAM, type = bss, define = yes;
ZEROPAGE: load = ZP, type = zp;
}