hgr: update par_hgr

This commit is contained in:
Vince Weaver 2022-09-27 02:24:19 -04:00
parent c387dfd393
commit 43bf3ae846
5 changed files with 81 additions and 59 deletions

View File

@ -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 PAR_XOR.BAS
LARGE_XOR.BAS PAR_XOR.BAS PAR_HGR.BAS
cp $(EMPTY_DISK)/empty_lots_of_dirents.dsk appleiibot.dsk
# cp empty.dsk appleiibot.dsk
# $(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
@ -144,6 +144,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS HELLO \
$(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
$(DOS33) -y appleiibot.dsk SAVE A PAR_HGR.BAS
####
@ -806,6 +807,11 @@ LARGE_XOR.BAS: large_xor.bas
PAR_XOR.BAS: par_xor.bas
$(TOKENIZE) < par_xor.bas > PAR_XOR.BAS
####
PAR_HGR.BAS: par_hgr.bas
$(TOKENIZE) < par_hgr.bas > PAR_HGR.BAS
####

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@ -0,0 +1,2 @@
1FORI=0TO137:POKE1013+I,4*PEEK(2126+I)-204+(PEEK(2264+I/3)-35)/4^(I-INT(I/3)*3):NEXT
2&"-ho/foP`UA:7hK]V;Z.6\/::Z37Yhr_kln\o8SH.DVH3\kEKJj5/<E/\a@a[Kb3*SO3b3.2lVP4Z:Y/4TkTlbAq=Co'Zr]8U@m3=p=;o4\Hg5UAi2Dp=7k3]Ue3Y2Y3;Ua5gce7X=X[SQ3C<7Z$UC'Y;4)L=4C'X'G$'=>W$WK'@#(+4*3E4#++D

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@ -8,15 +8,15 @@ TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
all: paralax.dsk
paralax.dsk: HELLO BOXES BOXES_BOT LARGE LARGE_BOT PAR PAR_BOT WEIRD
paralax.dsk: HELLO BOXES PAR WEIRD
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 0x37B PAR_BOT
# $(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 0x3f5 PAR
# $(DOS33) -y paralax.dsk BSAVE -a 0x37B PAR_BOT
$(DOS33) -y paralax.dsk BSAVE -a 0xc00 WEIRD
###
@ -38,7 +38,7 @@ large.o: large.s
###
PAR: par.o
ld65 -o PAR par.o -C $(LINKER_DIR)/apple2_c00.inc
ld65 -o PAR par.o -C $(LINKER_DIR)/apple2_3f5.inc
par.o: par.s
ca65 -o par.o par.s -l par.lst

View File

@ -44,6 +44,7 @@ parallax:
;===================
; init screen
jsr HGR
jsr HGR2
;===================
@ -59,8 +60,7 @@ init_loop:
lda GBASL
sta hgr_lookup_l,X
lda GBASH
sec
sbc #$40
and #$1F ; 20 30 001X 40 50 010X
sta hgr_lookup_h,X
dex
cpx #$ff
@ -72,45 +72,45 @@ parallax_forever:
inc FRAME ; 2
lda FRAME
lsr
sta FRAME2
; sta FRAME2
sta frame2_smc+1
lsr
sta FRAME4
; sta FRAME4
sta frame4_smc+1
;========================
; flip page
lda HGR_PAGE ; $40 or $20
pha
asl
asl
rol
tay
lda PAGE1,Y
pla
lda HGR_PAGE ; $40 or $20
eor #$60 ; flip draw_page
sta HGR_PAGE
eor #$60 ; flip draw_page
sta HGR_PAGE
asl
asl
rol
eor #$1
tay
lda PAGE1,Y
ldx #191 ; init Y
ldx #100 ; init Y
yloop:
;==============
; point GBASL/GBSAH to current line
; point output to current line
lda hgr_lookup_l,X
sta out_smc+1
lda hgr_lookup_h,X
clc
adc HGR_PAGE
ora HGR_PAGE
sta out_smc+2
;==============
; current column (work backwards)
ldy #39 ; 2
ldy #29 ; 2
xloop:
;==============
@ -130,7 +130,8 @@ xloop:
txa
sec ; subtract frame from Y
; carry always clear here?
; sec ; subtract frame from Y
sbc FRAME
eor X2
@ -138,7 +139,7 @@ xloop:
beq skip_color_large
lda #$ff
jmp draw_color
bne draw_color
skip_color_large:
;===========================
@ -147,14 +148,15 @@ skip_color_large:
txa
sec ; subtract frame from Y
sbc FRAME2
frame2_smc:
sbc #0
eor X2
and #$20
beq skip_color_medium
lda #$55
jmp draw_color
bne draw_color
skip_color_medium:
@ -164,7 +166,8 @@ skip_color_medium:
txa
sec ; subtract frame from YY
sbc FRAME4
frame4_smc:
sbc #0
eor X2
and #$10
@ -172,17 +175,12 @@ skip_color_medium:
beq skip_color_small
lda #$aa
jmp draw_color
bne draw_color
skip_color_small:
lda #$00
;========================
; actually draw color
@ -192,18 +190,19 @@ out_smc:
dey ; 1
bpl xloop ; 2
cpy #10
bne xloop ; 2
dex ; 1
cpx #$FF
; cpx #$FF
bne yloop ; 2
bpl yloop ; 2
beq parallax_forever ; 2
bmi parallax_forever ; 2
; for bot
; $3F5 - 127 + 3 = $379
jmp parallax
; jmp parallax

View File

@ -37,6 +37,8 @@ WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
HPOSN = $F411 ; (Y,X),(A) (values stores in HGRX,XH,Y)
hgr_lookup_h = $1000
hgr_lookup_l = $1100
@ -46,6 +48,28 @@ parallax:
; init screen
jsr HGR2
;===================
; int tables
ldx #191
init_loop:
txa
pha
jsr HPOSN
pla
tax
lda GBASL
sta hgr_lookup_l,X
lda GBASH
sec
sbc #$40
sta hgr_lookup_h,X
dex
cpx #$ff
bne init_loop
tax
parallax_forever:
inc FRAME ; 2
@ -83,13 +107,13 @@ yloop:
;==============
; point GBASL/GBSAH to current line
txa
lda hgr_lookup_l,X
sta GBASL
lda hgr_lookup_h,X
clc
adc HGR_PAGE
sta GBASH
pha
jsr HPOSN
pla
tax
;==============
; current column (work backwards)
@ -192,15 +216,6 @@ skip_color_large:
beq parallax_forever ; 2
; 00 = right
; 01 = up
; 10 = left
; 11 = down
; adc = $65
; sbc = $E5
; for bot
; $3F5 - 127 + 3 = $379