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https://github.com/deater/dos33fsprogs.git
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love_duck: back in size
This commit is contained in:
Vince Weaver
parent
123f76aa70
commit
9d1231184f
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@ -7,7 +7,7 @@ PICTUREDSK = ~/research/picturedsk.git/picturedsk
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LINKER_SCRIPTS = ../../../linker_scripts/
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ZX02 = ~/research/6502_compression/zx02.git/build/zx02
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all: love_duck.dsk love_duck.woz love_duck_raw.dsk
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all: love_duck.dsk love_duck.woz
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###
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@ -71,7 +71,7 @@ love_duck.zip: LOVE_DUCK love_duck.dsk
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LOVE_DUCK: love_duck.o
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ld65 -o LOVE_DUCK love_duck.o -C $(LINKER_SCRIPTS)/apple2_1000.inc
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love_duck.o: love_duck.s speaker_beeps.s dsr_lores.s
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love_duck.o: love_duck.s speaker_beeps.s dsr_lores.s dsr_extra.s
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ca65 -o love_duck.o love_duck.s -l love_duck.lst
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@ -13,8 +13,8 @@ dsr_rotate:
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jsr HGR ; clear PAGE1
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; A,Y are 0?
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sta FRAME
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sta FRAMEH
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; sta FRAME
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; sta FRAMEH
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bit FULLGR ; full screen
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@ -54,14 +54,13 @@ init_gr_loop:
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sta gr_lookup_l,X
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lda GBASH
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sta gr_lookup_h,X
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lda #0
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sta $F0,X ; clear vars to 0
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dex
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bpl init_gr_loop
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big_loop:
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;=====================================
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@ -108,9 +107,9 @@ lsier_outer:
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sta GBASL
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lda gr_lookup_h,X
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clc
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draw_page_smc:
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adc #$0
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adc DRAW_PAGE
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sta GBASH
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lda YY
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@ -181,18 +180,7 @@ done_line:
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end:
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;=================
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; page flip
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ldx #0
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lda draw_page_smc+1 ; DRAW_PAGE
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beq done_page
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inx
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done_page:
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ldy PAGE1,X ; set display page to PAGE1 or PAGE2
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eor #$4 ; flip draw page between $400/$800
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sta draw_page_smc+1 ; DRAW_PAGE
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jsr flip_page
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@ -221,10 +209,6 @@ done_page:
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jmp big_loop
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done_this:
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rts
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shape_dsr:
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.byte $2d,$36,$ff,$3f
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.byte $24,$ad,$22,$24,$94,$21,$2c,$4d
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.byte $91,$3f,$36,$00
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end_it:
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@ -1,10 +0,0 @@
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gr_offsets_l:
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.byte $00,$80,$00,$80,$00,$80,$00,$80
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.byte $28,$a8,$28,$a8,$28,$a8,$28,$a8
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.byte $50,$d0,$50,$d0,$50,$d0,$50,$d0
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gr_offsets_h:
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.byte $4,$4,$5,$5,$6,$6,$7,$7
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.byte $4,$4,$5,$5,$6,$6,$7,$7
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.byte $4,$4,$5,$5,$6,$6,$7,$7
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@ -7,7 +7,7 @@
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ld_start:
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.byte 2 ; number of sectors to load
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.byte 2 ; number of sectors to load
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lda $C088,X ; turn off drive motor
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ldy #0
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@ -47,6 +47,7 @@ HGR_SCALE = $E7
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YPOS = $F0
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XPOS = $F1
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DRAW_PAGE = $F2
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ROTATION = $FA
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FRAME = $FB
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FRAMEH = $FC
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@ -58,11 +59,13 @@ XX = $FF
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love_duck:
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; jsr dsr_rotate
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.include "dsr_lores.s"
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; bit SET_GR ; switch to lo-res mode
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; bit FULLGR ; set full screen
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bit SET_GR ; switch to lo-res mode
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bit FULLGR ; set full screen
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; inc FRAME ; want frame #0
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; maybe not necessary
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main_loop:
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@ -71,25 +74,52 @@ main_loop:
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; flip page
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;======================
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page_smc:
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lda #0 ; 0 or 1
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jsr flip_page
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tax
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ldy PAGE1,X ; flip page
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;===============
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; handle duck
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;===============
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eor #$1 ; invert (leaving in A)
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lda FRAME
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and #$7f
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bne check_beep
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sta page_smc+1 ; save PAGE value (PAGE in A here)
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ldx #NOTE_D3
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ldy #50
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jsr speaker_xy
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ldx #NOTE_E3
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ldy #50
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jsr speaker_xy
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asl ; make OUTH $4 or $8 depending on value in PAGE
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; which we have in A above or at end of loop
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asl ; (this also sets C to 0)
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adc #4
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ldx #10
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long_wait:
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lda #200
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jsr WAIT
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dex
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bne long_wait
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sta GBASH
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; beq no_beep
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;===================
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; handle click
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;===================
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check_beep:
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and #$3
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bne no_beep
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; every 4th cycle beep
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ldx #NOTE_C4
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ldy #10
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jsr speaker_xy
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; Y zero here?
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no_beep:
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;=====================
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; handle color cycle
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;=====================
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inc FRAME ; increment frame #
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lda FRAME
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and #$1f ; cycle colors ever 32 frames
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bne no_color_cycle
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@ -98,25 +128,22 @@ page_smc:
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no_color_cycle:
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lda FRAME
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and #$3
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bne no_beep
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; every 4th cycle beep
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lda #NOTE_C3
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sta speaker_frequency
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lda #10
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sta speaker_duration
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jsr speaker_tone
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; Y zero here?
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no_beep:
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lda #100 ; pause a bit
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jsr WAIT
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sta GBASL ; A is 0
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; increment frame
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inc FRAME ; increment frame #
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bne frame_noflo
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inc FRAMEH
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frame_noflo:
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; 0000 -> 0100
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; 0100 -> 1000
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;=================================
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; clear lo-res screen, page1/page2
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@ -126,6 +153,11 @@ no_beep:
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; assume GBASL/GBASH already points to proper $400 or $800
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ldx #4 ; lores is 1k, so 4 pages
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txa
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clc
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adc DRAW_PAGE
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sta GBASH
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full_loop:
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ldy #$00 ; clear whole page
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bg_smc:
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@ -167,11 +199,11 @@ draw_heart:
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lda bounce,X
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sta YPOS
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lda #<heart_bitmap
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sta sprite_smc+1
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ldx #<heart_bitmap
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; stx sprite_smc+1
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lda #$11 ; red
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sta color_smc+1
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ldy #$11 ; red
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; sty color_smc+1
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jsr draw_sprite
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@ -190,31 +222,29 @@ draw_heart:
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;===============
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; draw duck
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lda FRAME
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and #$7f
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bne no_duck
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lda #32
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sta XPOS
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lda #1
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sta YPOS
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lda #$44 ; green
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sta color_smc+1
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lda #<duck_bitmap_left
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sta sprite_smc+1
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ldx #<duck_bitmap_left
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ldy #$44 ; green
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jsr draw_sprite
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lda #24
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sta XPOS
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lda #$99 ; orange
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sta color_smc+1
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lda #<duck_bitmap_left_beak
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sta sprite_smc+1
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ldx #<duck_bitmap_left_beak
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ldy #$99 ; orange
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jsr draw_sprite
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no_duck:
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jmp main_loop
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; bmi main_loop ; bra
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@ -224,8 +254,11 @@ draw_heart:
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;===========================
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; draw_sprite
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;===========================
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; x is low byte of bitmap
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; y is color
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draw_sprite:
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stx sprite_smc+1
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sty color_smc+1
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ldx #7 ; draw 7 lines
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boxloop:
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@ -243,10 +276,8 @@ boxloop:
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; adjust for proper page
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lda page_smc+1 ; want to add 0 or 4 (not 0 or 1)
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asl
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asl ; this sets C to 0
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adc GBASH
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lda GBASH ;carry still set from above
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adc DRAW_PAGE
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sta GBASH
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;=================
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@ -264,7 +295,7 @@ draw_line_loop:
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bcc its_transparent
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color_smc:
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lda #$11 ; red
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lda #$11 ; redg
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sta (GBASL),Y ; draw on screen
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its_transparent:
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@ -280,36 +311,6 @@ its_transparent:
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;=================
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; star bitmap
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;=================
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;012|456|
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; @ ;
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; @@ ;
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; @@@@@ ;
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;@@@@@@@ ;
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; @@@@@ ;
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; @@@@@ ;
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; @@ @@ ;
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;@@ @@ ;
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;bitmap:
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; .byte $10
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; .byte $18
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; .byte $1f
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; .byte $fe
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; .byte $7c
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; .byte $3e
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; .byte $66
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; .byte $C3
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;012|456|
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; @ @@ ;
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;@@@ @@@@ ;
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@ -379,4 +380,4 @@ bounce:
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.include "speaker_beeps.s"
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.include "dsr_lores.s"
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.include "dsr_extra.s"
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@ -44,20 +44,29 @@ NOTE_ASHARP5 = 36
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NOTE_B5 = 34
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; need 20
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speaker_xy:
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stx speaker_frequency
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sty speaker_duration
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speaker_tone:
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lda $C030 ; click speaker
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speaker_loop:
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dey ; y never set?
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bne slabel1 ; duration roughly 256*?
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dec speaker_duration ; (Duration)
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beq done_tone
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slabel1:
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dex
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bne speaker_loop
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ldx speaker_frequency ; (Frequency)
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jmp speaker_tone
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dex ; 2
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jsr delay_12_cycles
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bne speaker_loop ; 2/3
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ldx speaker_frequency ; (Frequency) ; 4
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jmp speaker_tone ; 3
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done_tone:
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delay_12_cycles:
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rts
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speaker_duration:
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