keen: initial checkin
This commit is contained in:
Vince Weaver
parent
f07bb3d42a
commit
2cf26ac28d
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@ -6,12 +6,12 @@ B2D = ../../utils/bmp2dhr/b2d
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PNG2GR = ../../utils/gr-utils/png2gr
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LZSA = ~/research/lzsa/lzsa/lzsa
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TOKENIZE = ../../utils/asoft_basic-utils/tokenize_asoft
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EMPTY_DISK = ../../empty_disk/empty.dsk
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all: duke.dsk
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duke.dsk: HELLO LOADER DUKE_TITLE DUKE_LEVEL1 DUKE_LEVEL2
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cp empty.dsk duke.dsk
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cp $(EMPTY_DISK) duke.dsk
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$(DOS33) -y duke.dsk SAVE A HELLO
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$(DOS33) -y duke.dsk BSAVE -a 0x1000 LOADER
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$(DOS33) -y duke.dsk BSAVE -a 0x4000 DUKE_TITLE
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Binary file not shown.
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@ -0,0 +1,161 @@
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;=========================================================
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; gr_copy_to_current, 40x48 version
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;=========================================================
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; copy 0xc00 to DRAW_PAGE
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;
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; 45 + 2 + 120*(8*9 + 5) -1 + 6 = 9292
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;.align $100
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gr_copy_to_current:
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lda DRAW_PAGE ; 3
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clc ; 2
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adc #$4 ; 2
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sta gr_copy_line+5 ; 4
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sta gr_copy_line+11 ; 4
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adc #$1 ; 2
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sta gr_copy_line+17 ; 4
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sta gr_copy_line+23 ; 4
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adc #$1 ; 2
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sta gr_copy_line+29 ; 4
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sta gr_copy_line+35 ; 4
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adc #$1 ; 2
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sta gr_copy_line+41 ; 4
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sta gr_copy_line+47 ; 4
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;===========
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; 45
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ldy #119 ; for early ones, copy 120 bytes ; 2
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gr_copy_line:
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lda $C00,Y ; load a byte (self modified) ; 4
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sta $400,Y ; store a byte (self modified) ; 5
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lda $C80,Y ; load a byte (self modified) ; 4
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sta $480,Y ; store a byte (self modified) ; 5
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lda $D00,Y ; load a byte (self modified) ; 4
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sta $500,Y ; store a byte (self modified) ; 5
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lda $D80,Y ; load a byte (self modified) ; 4
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sta $580,Y ; store a byte (self modified) ; 5
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lda $E00,Y ; load a byte (self modified) ; 4
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sta $600,Y ; store a byte (self modified) ; 5
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lda $E80,Y ; load a byte (self modified) ; 4
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sta $680,Y ; store a byte (self modified) ; 5
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lda $F00,Y ; load a byte (self modified) ; 4
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sta $700,Y ; store a byte (self modified) ; 5
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lda $F80,Y ; load a byte (self modified) ; 4
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sta $780,Y ; store a byte (self modified) ; 5
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dey ; decrement pointer ; 2
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bpl gr_copy_line ; ; 2nt/3
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rts ; 6
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;=========================================================
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; gr_copy_to_current, 40x48 version
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;=========================================================
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; copy 0x1000 to DRAW_PAGE
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gr_copy_to_current_1000:
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lda DRAW_PAGE ; 3
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clc ; 2
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adc #$4 ; 2
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sta gr_copy_line_40+5 ; 4
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sta gr_copy_line_40+11 ; 4
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adc #$1 ; 2
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sta gr_copy_line_40+17 ; 4
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sta gr_copy_line_40+23 ; 4
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adc #$1 ; 2
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sta gr_copy_line_40+29 ; 4
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sta gr_copy_line_40+35 ; 4
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adc #$1 ; 2
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sta gr_copy_line_40+41 ; 4
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sta gr_copy_line_40+47 ; 4
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;===========
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; 45
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ldy #119 ; for early ones, copy 120 bytes ; 2
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gr_copy_line_40:
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lda $1000,Y ; load a byte (self modified) ; 4
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sta $400,Y ; store a byte (self modified) ; 5
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lda $1080,Y ; load a byte (self modified) ; 4
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sta $480,Y ; store a byte (self modified) ; 5
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lda $1100,Y ; load a byte (self modified) ; 4
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sta $500,Y ; store a byte (self modified) ; 5
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lda $1180,Y ; load a byte (self modified) ; 4
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sta $580,Y ; store a byte (self modified) ; 5
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lda $1200,Y ; load a byte (self modified) ; 4
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sta $600,Y ; store a byte (self modified) ; 5
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lda $1280,Y ; load a byte (self modified) ; 4
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sta $680,Y ; store a byte (self modified) ; 5
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lda $1300,Y ; load a byte (self modified) ; 4
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sta $700,Y ; store a byte (self modified) ; 5
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lda $1380,Y ; load a byte (self modified) ; 4
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sta $780,Y ; store a byte (self modified) ; 5
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dey ; decrement pointer ; 2
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bpl gr_copy_line_40 ; ; 2nt/3
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rts ; 6
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;=========================================================
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; gr_copy_to_current_40x40
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;=========================================================
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; Take image in 0xc00
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; Copy to DRAW_PAGE
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; Actually copy lines 0..39
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; Don't over-write bottom 4 lines of text
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gr_copy_to_current_40x40:
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ldx #0
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gc_40x40_loop:
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lda gr_offsets,x
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sta OUTL
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sta INL
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lda gr_offsets+1,x
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clc
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adc DRAW_PAGE
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sta OUTH
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lda gr_offsets+1,x
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clc
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adc #$8
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sta INH
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ldy #39
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gc_40x40_inner:
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lda (INL),Y
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sta (OUTL),Y
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dey
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bpl gc_40x40_inner
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inx
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inx
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cpx #40
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bne gc_40x40_loop
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rts ; 6
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@ -0,0 +1,201 @@
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;clear_screens:
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; ;===================================
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; ; Clear top/bottom of page 0
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; ;===================================
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;
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; lda #$0
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; sta DRAW_PAGE
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; jsr clear_top
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; jsr clear_bottom
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; ;===================================
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; ; Clear top/bottom of page 1
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; ;===================================
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;
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; lda #$4
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; sta DRAW_PAGE
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; jsr clear_top
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; jsr clear_bottom
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;
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; rts
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;=========================================================
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; clear_top
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;=========================================================
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; clear DRAW_PAGE
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; original = 14,558 cycles(?) 15ms, 70Hz
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; OPTIMIZED MAX (page0,48rows): 45*120+4+6 = 5410 = 5.4ms 185Hz
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; (pageX,40rows): 50*120+4+6 = 6010 = 6.0ms 166Hz
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; 50*120+4+6+37 = 6055 = 6.0ms 166Hz
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clear_top:
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lda #0 ; 2
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clear_top_a:
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sta COLOR ; 3
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clc ; 2
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lda DRAW_PAGE ; 3
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adc #4 ; 2
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sta __ctf+2 ; 3
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sta __ctf+5 ; 3
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adc #1 ; 2
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sta __ctf+8 ; 3
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sta __ctf+11 ; 3
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adc #1 ; 2
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sta __ctf2+2 ; 3
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sta __ctf2+5 ; 3
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adc #1 ; 2
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sta __ctf2+8 ; 3
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sta __ctf2+11 ; 3
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ldy #120 ; 2
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lda COLOR ; 3
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clear_top_fast_loop:
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__ctf:
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sta $400,Y ; 5
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sta $480,Y ; 5
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sta $500,Y ; 5
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sta $580,Y ; 5
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cpy #80 ; 2
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bpl no_draw_bottom ; 2nt/3
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__ctf2:
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sta $600,Y ; 5
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sta $680,Y ; 5
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sta $700,Y ; 5
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sta $780,Y ; 5
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no_draw_bottom:
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dey ; 2
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bpl clear_top_fast_loop ; 2nt/3
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rts ; 6
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;=========================================================
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; clear_bottom
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;=========================================================
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; clear bottom of draw page
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clear_bottom:
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clc ; 2
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lda DRAW_PAGE ; 3
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adc #6 ; 2
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sta __cbf2+2 ; 3
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sta __cbf2+5 ; 3
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adc #1 ; 2
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sta __cbf2+8 ; 3
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sta __cbf2+11 ; 3
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ldy #120 ; 2
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lda #$a0 ; Normal Space ; 2
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clear_bottom_fast_loop:
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__cbf2:
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sta $600,Y ; 5
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sta $680,Y ; 5
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sta $700,Y ; 5
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sta $780,Y ; 5
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dey ; 2
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cpy #80 ; 2
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bpl clear_bottom_fast_loop ; 2nt/3
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rts ; 6
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;clear_screens_notext:
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;===================================
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; Clear top/bottom of page 0
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;===================================
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; lda #$0
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; sta DRAW_PAGE
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; jsr clear_all
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;===================================
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; Clear top/bottom of page 1
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;===================================
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; lda #$4
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; sta DRAW_PAGE
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; jsr clear_all
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; rts
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clear_bottoms:
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lda DRAW_PAGE
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pha
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;===================================
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; Clear bottom of page 0
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;===================================
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lda #$0
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sta DRAW_PAGE
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jsr clear_bottom
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;===================================
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; Clear bottom of page 1
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;===================================
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lda #$4
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sta DRAW_PAGE
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jsr clear_bottom
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pla
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sta DRAW_PAGE
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rts
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;=========================================================
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; clear_all
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;=========================================================
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; clear 48 rows
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clear_all:
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clc ; 2
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lda DRAW_PAGE ; 3
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adc #4 ; 2
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sta __caf+2 ; 3
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sta __caf+5 ; 3
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adc #1 ; 2
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sta __caf+8 ; 3
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sta __caf+11 ; 3
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adc #1 ; 2
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sta __caf2+2 ; 3
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sta __caf2+5 ; 3
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adc #1 ; 2
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sta __caf2+8 ; 3
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sta __caf2+11 ; 3
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ldy #120 ; 2
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clear_all_color:
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lda #' '|$80 ; 2
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clear_all_fast_loop:
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__caf:
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sta $400,Y ; 5
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sta $480,Y ; 5
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sta $500,Y ; 5
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sta $580,Y ; 5
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__caf2:
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sta $600,Y ; 5
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sta $680,Y ; 5
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sta $700,Y ; 5
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sta $780,Y ; 5
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dey ; 2
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bpl clear_all_fast_loop ; 2nt/3
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rts ; 6
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@ -0,0 +1,32 @@
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include ../../../Makefile.inc
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ZX02 = ~/research/6502_compression/zx02.git/build/zx02 -f
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PNG_TO_HGR = ../../../utils/hgr-utils/png2hgr
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LINKER_SCRIPTS = ../../../linker_scripts
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DOS33 = ../../../utils/dos33fs-utils/dos33
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EMPTY_DISK = ../../../empty_disk/empty.dsk
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TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
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PNG2GR = ../../../utils/gr-utils/png2gr
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PNG2SPRITES = ../../../utils/gr-utils/png2sprites
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HGR_SPRITE = ../../../utils/hgr-utils/hgr_make_sprite
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all: keen1_title.hgr.zx02
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####
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#disk_sprites.inc: a2_fortnight_sprites.png
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# $(HGR_SPRITE) -s -l disk_sprite0 a2_fortnight_sprites.png 14 7 41 34 > disk_sprites.inc
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####
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keen1_title.hgr.zx02: keen1_title.hgr
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$(ZX02) keen1_title.hgr keen1_title.hgr.zx02
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keen1_title.hgr: keen1_title.png
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$(PNG_TO_HGR) keen1_title.png > keen1_title.hgr
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####
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clean:
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rm -f *~ *.o *.lst *.zx02 *.hgr
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Binary file not shown.
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After Width: | Height: | Size: 6.8 KiB |
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@ -0,0 +1,32 @@
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;=====================
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; init vars
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;=====================
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init_vars:
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lda #0
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sta ANIMATE_FRAME
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sta FRAMEL
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sta FRAMEH
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sta DISP_PAGE
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sta JOYSTICK_ENABLED
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sta DUKE_WALKING
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sta DUKE_JUMPING
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sta LEVEL_OVER
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sta LASER_OUT
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sta DUKE_XL
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sta SCORE0
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sta SCORE1
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sta SCORE2
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sta DUKE_FALLING
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sta DUKE_SHOOTING
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sta KICK_UP_DUST
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sta DOOR_ACTIVATED
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sta INVENTORY
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lda #1
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sta FIREPOWER
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lda #7
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sta HEALTH
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rts
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@ -0,0 +1,277 @@
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; Keen1 Title
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; loads a HGR version of the title
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; by deater (Vince Weaver) <vince@deater.net>
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; Zero Page
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.include "zp.inc"
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.include "hardware.inc"
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.include "common_defines.inc"
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keen_title_start:
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;===================
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; init screen
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;===================
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jsr TEXT
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jsr HOME
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bit KEYRESET
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bit SET_GR
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bit PAGE0
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bit HIRES
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bit FULLGR
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;===================
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; machine workarounds
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;===================
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; mostly IIgs
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;===================
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; thanks to 4am who provided this code from Total Replay
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lda ROM_MACHINEID
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cmp #$06
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bne not_a_iigs
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sec
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jsr $FE1F ; check for IIgs
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bcs not_a_iigs
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; gr/text page2 handling broken on early IIgs models
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; this enables the workaround
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jsr ROM_TEXT2COPY ; set alternate display mode on IIgs
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cli ; enable VBL interrupts
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; also set background color to black instead of blue
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lda NEWVIDEO
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and #%00011111 ; bit 7 = 0 -> IIgs Apple II-compat video modes
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; bit 6 = 0 -> IIgs 128K memory map same as IIe
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; bit 5 = 0 -> IIgs DHGR is color, not mono
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; bits 0-4 unchanged
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sta NEWVIDEO
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lda #$F0
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sta TBCOLOR ; white text on black background
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lda #$00
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sta CLOCKCTL ; black border
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sta CLOCKCTL ; set twice for VidHD
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not_a_iigs:
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;===================
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; Load hires graphics
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;===================
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reload_everything:
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lda #<new_title
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sta ZX0_src
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lda #>new_title
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sta ZX0_src+1
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lda #$20 ; decompress to hgr page1
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jsr full_decomp
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;===================================
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; detect if we have a language card
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; and load sound into it if possible
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;===================================
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; lda #0
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; sta SOUND_STATUS ; clear out, sound enabled
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; jsr detect_language_card
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; bcs no_language_card
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; update sound status
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; lda SOUND_STATUS
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; ora #SOUND_IN_LC
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; sta SOUND_STATUS
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; load sounds into LC
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; read ram, write ram, use $d000 bank1
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; bit $C08B
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; bit $C08B
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; lda #<linking_noise_compressed
|
||||
; sta getsrc_smc+1
|
||||
; lda #>linking_noise_compressed
|
||||
; sta getsrc_smc+2
|
||||
|
||||
; lda #$D0 ; decompress to $D000
|
||||
|
||||
; jsr decompress_lzsa2_fast
|
||||
|
||||
;blah:
|
||||
|
||||
; read rom, nowrite, use $d000 bank1
|
||||
; bit $C08A
|
||||
|
||||
no_language_card:
|
||||
|
||||
;===================================
|
||||
; Setup Mockingboard
|
||||
;===================================
|
||||
; lda #0
|
||||
; sta DONE_PLAYING
|
||||
; sta LOOP
|
||||
|
||||
; detect mockingboard
|
||||
; jsr mockingboard_detect
|
||||
|
||||
; bcc mockingboard_notfound
|
||||
|
||||
mockingboard_found:
|
||||
;; jsr mockingboard_patch ; patch to work in slots other than 4?
|
||||
|
||||
; lda SOUND_STATUS
|
||||
; ora #SOUND_MOCKINGBOARD
|
||||
; sta SOUND_STATUS
|
||||
|
||||
;=======================
|
||||
; Set up 50Hz interrupt
|
||||
;========================
|
||||
|
||||
; jsr mockingboard_init
|
||||
; jsr mockingboard_setup_interrupt
|
||||
|
||||
;============================
|
||||
; Init the Mockingboard
|
||||
;============================
|
||||
|
||||
; jsr reset_ay_both
|
||||
; jsr clear_ay_both
|
||||
|
||||
;==================
|
||||
; init song
|
||||
;==================
|
||||
|
||||
; jsr pt3_init_song
|
||||
|
||||
; jmp done_setup_sound
|
||||
|
||||
|
||||
mockingboard_notfound:
|
||||
|
||||
|
||||
done_setup_sound:
|
||||
|
||||
|
||||
|
||||
;===================================
|
||||
; Do Intro Sequence
|
||||
;===================================
|
||||
|
||||
; wait a bit at LOAD screen
|
||||
|
||||
lda #100
|
||||
jsr wait_a_bit
|
||||
|
||||
|
||||
done_intro:
|
||||
|
||||
; restore to full screen (no text)
|
||||
|
||||
bit FULLGR
|
||||
bit LORES
|
||||
|
||||
;============================
|
||||
; init vars
|
||||
|
||||
jsr init_vars
|
||||
|
||||
|
||||
|
||||
;============================
|
||||
; set up initial location
|
||||
|
||||
lda #LOAD_DUKE1
|
||||
sta WHICH_LOAD ; start at first level
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;==========================
|
||||
; includes
|
||||
;==========================
|
||||
|
||||
.include "gr_pageflip.s"
|
||||
.include "gr_copy.s"
|
||||
; .include "wait_a_bit.s"
|
||||
.include "gr_offsets.s"
|
||||
.include "zx02_optim.s"
|
||||
|
||||
.include "print_help.s"
|
||||
.include "gr_fast_clear.s"
|
||||
.include "text_print.s"
|
||||
|
||||
.include "init_vars.s"
|
||||
; .include "graphics_title/title_graphics.inc"
|
||||
; .include "lc_detect.s"
|
||||
|
||||
|
||||
; pt3 player
|
||||
; .include "pt3_lib_core.s"
|
||||
; .include "pt3_lib_init.s"
|
||||
; .include "interrupt_handler.s"
|
||||
; .include "pt3_lib_mockingboard_detect.s"
|
||||
; .include "pt3_lib_mockingboard_setup.s"
|
||||
|
||||
new_title:
|
||||
.incbin "graphics/keen1_title.hgr.zx02"
|
||||
|
||||
|
||||
|
||||
;====================================
|
||||
; wait for keypress or a few seconds
|
||||
;====================================
|
||||
|
||||
wait_a_bit:
|
||||
|
||||
bit KEYRESET
|
||||
tax
|
||||
|
||||
keyloop:
|
||||
lda #200 ; delay a bit
|
||||
jsr WAIT
|
||||
|
||||
lda KEYPRESS
|
||||
bmi done_keyloop
|
||||
|
||||
; bmi keypress_exit
|
||||
|
||||
dex
|
||||
bne keyloop
|
||||
|
||||
done_keyloop:
|
||||
bit KEYRESET
|
||||
|
||||
cmp #'H'|$80
|
||||
bne really_done_keyloop
|
||||
|
||||
bit SET_TEXT
|
||||
jsr print_help
|
||||
bit SET_GR
|
||||
bit PAGE0
|
||||
|
||||
ldx #100
|
||||
|
||||
jmp keyloop
|
||||
|
||||
really_done_keyloop:
|
||||
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
;PT3_LOC = theme_music
|
||||
|
||||
;.align $100
|
||||
;theme_music:
|
||||
;.incbin "audio/theme.pt3"
|
||||
|
||||
|
|
@ -0,0 +1,709 @@
|
|||
; Loader for DUKE
|
||||
|
||||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
.include "common_defines.inc"
|
||||
|
||||
nibtbl = $300 ; nothing uses the bottom 128 bytes of $300, do they?
|
||||
bit2tbl = $380 ; bit2tbl: .res 86 ; = nibtbl+128
|
||||
filbuf = $3D6 ; filbuf: .res 4 ; = bit2tbl+86
|
||||
|
||||
; read any file slot 6 version
|
||||
; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
|
||||
|
||||
; modified to assembled with ca65 -- vmw
|
||||
; added code to patch it to run from current disk slot -- vmw
|
||||
|
||||
; WHICH_LOAD = $7E ; thing to load
|
||||
; adrlo = $26 ; constant from boot prom
|
||||
; adrhi = $27 ; constant from boot prom
|
||||
; tmpsec = $3c ; constant from boot prom
|
||||
; reqsec = $3d ; constant from boot prom
|
||||
; sizelo = $44
|
||||
; sizehi = $45
|
||||
; secsize = $46
|
||||
; namlo = $f8
|
||||
; namhi = $f9
|
||||
; TEMPY = $fa
|
||||
; step = $fd ; state for stepper motor
|
||||
; tmptrk = $fe ; temporary copy of current track
|
||||
; phase = $ff ; current phase for /seek
|
||||
; OUTL = $fe ; for picking filename
|
||||
; OUTH = $ff
|
||||
|
||||
dirbuf = $c00
|
||||
; note, don't put this immediately below
|
||||
; the value being read as destaddr-4
|
||||
; is temporarily overwritten during read
|
||||
; process
|
||||
|
||||
|
||||
FILENAME = $280
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; START / INIT
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
loader_start:
|
||||
|
||||
lda #LOAD_TITLE
|
||||
sta WHICH_LOAD
|
||||
|
||||
jsr init ; unhook DOS, init nibble table
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; SETUP THE FILENAME
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
which_load_loop:
|
||||
|
||||
|
||||
|
||||
; update the which-file error message
|
||||
; lda WHICH_LOAD
|
||||
; tay
|
||||
; lda which_disk,Y
|
||||
; sta error_string+19
|
||||
|
||||
lda WHICH_LOAD
|
||||
asl
|
||||
|
||||
tay
|
||||
lda filenames,Y
|
||||
sta OUTL
|
||||
lda filenames+1,Y
|
||||
sta OUTH
|
||||
|
||||
lda WHICH_LOAD
|
||||
bne load_other
|
||||
|
||||
load_intro:
|
||||
lda #<$4000
|
||||
sta entry_smc+1
|
||||
lda #>$4000
|
||||
sta entry_smc+2
|
||||
jmp actual_load
|
||||
|
||||
load_other:
|
||||
lda #<$2000
|
||||
sta entry_smc+1
|
||||
lda #>$2000
|
||||
sta entry_smc+2
|
||||
|
||||
actual_load:
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; SET UP DOS3.3 FILENAME
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
load_file_and_execute:
|
||||
|
||||
jsr opendir_filename
|
||||
|
||||
entry_smc:
|
||||
jsr $1000 ; jump to common entry point
|
||||
|
||||
; hope they updated the WHICH_LOAD value
|
||||
|
||||
jmp which_load_loop
|
||||
|
||||
|
||||
;==============================
|
||||
; setup filename then open/load
|
||||
|
||||
opendir_filename:
|
||||
|
||||
; clear out the filename with $A0 (space)
|
||||
|
||||
lda #<FILENAME
|
||||
sta namlo
|
||||
lda #>FILENAME
|
||||
sta namhi
|
||||
|
||||
ldy #29
|
||||
wipe_filename_loop:
|
||||
lda #$A0
|
||||
sta (namlo),Y
|
||||
dey
|
||||
bpl wipe_filename_loop
|
||||
|
||||
ldy #0
|
||||
copy_filename_loop:
|
||||
lda (OUTL),Y
|
||||
beq copy_filename_done
|
||||
ora #$80
|
||||
sta (namlo),Y
|
||||
iny
|
||||
bne copy_filename_loop
|
||||
|
||||
copy_filename_done:
|
||||
jsr opendir ; open and read entire file into memory
|
||||
|
||||
rts
|
||||
|
||||
filenames:
|
||||
.word title_filename
|
||||
.word keen1_filename
|
||||
.word keen2_filename
|
||||
|
||||
title_filename:
|
||||
.byte "KEEN_TITLE",0
|
||||
keen1_filename:
|
||||
.byte "KEEN_LEVEL1",0
|
||||
keen2_filename:
|
||||
.byte "KEEN_LEVEL2",0
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; INIT (build nibble table)
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
;unhook DOS and build nibble table
|
||||
|
||||
init:
|
||||
; patch to use current drive
|
||||
|
||||
; locate input paramater list
|
||||
jsr $3E3
|
||||
; result is in A:Y
|
||||
sta $FF
|
||||
sty $FE
|
||||
ldy #1
|
||||
lda ($FE),y
|
||||
|
||||
; list+1 should have slot<<8
|
||||
|
||||
|
||||
ora #$80 ; add in $80
|
||||
|
||||
; c0e0
|
||||
sta mlsmc06+1
|
||||
|
||||
; c0e8
|
||||
clc
|
||||
adc #8
|
||||
sta mlsmc02+1
|
||||
sta mlsmc07+1
|
||||
|
||||
; c0e9
|
||||
clc
|
||||
adc #1
|
||||
sta mlsmc01+1
|
||||
|
||||
; c0ec
|
||||
clc
|
||||
adc #3
|
||||
sta mlsmc03+1
|
||||
sta mlsmc04+1
|
||||
sta mlsmc05+1
|
||||
|
||||
jsr $fe93 ; clear COUT
|
||||
jsr $fe89 ; clear KEYIN
|
||||
|
||||
;========================
|
||||
; Create nibble table
|
||||
; Note: the table starts 16 bytes in, and is sparse
|
||||
; so it doesn't entirely look like the DOS33 table at
|
||||
|
||||
ldy #0
|
||||
ldx #3
|
||||
L1: stx $3c ; store tempx (3?)
|
||||
txa ; a=x (a=3)
|
||||
asl ; a*=2 (a=6)
|
||||
bit $3c ; a&tempx, set N/V (a=6)
|
||||
beq L3 ; if 0, skip to L3
|
||||
ora $3c ; a|=tempx (a=7)
|
||||
eor #$ff ; a=~a (a=f8)
|
||||
and #$7e ; a&=0x7e 0111 1110 (a=78)
|
||||
L2: bcs L3 ; this set way back at asl??
|
||||
lsr ; a>>1 a=3c c=0
|
||||
; a=1e c=0
|
||||
; a=0f c=0
|
||||
; a=07 c=1
|
||||
bne L2 ; if a!=0 goto l2
|
||||
tya ; if a==0, a=y
|
||||
sta nibtbl, x ; write out to table
|
||||
iny ; increment y
|
||||
L3: inx ; increment x x=4, a=0f
|
||||
bpl L1 ; loop while high bit not set
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; file not found
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
file_not_found:
|
||||
|
||||
mlsmc07:lda $c0e8 ; turn off drive motor?
|
||||
|
||||
jsr TEXT
|
||||
jsr HOME
|
||||
|
||||
ldy #0
|
||||
|
||||
lda #<error_string
|
||||
sta OUTL
|
||||
lda #>error_string
|
||||
sta OUTH
|
||||
|
||||
quick_print:
|
||||
lda (OUTL),Y
|
||||
beq quick_print_done
|
||||
jsr COUT1
|
||||
iny
|
||||
jmp quick_print
|
||||
|
||||
quick_print_done:
|
||||
; rts
|
||||
|
||||
; jsr quick_print
|
||||
|
||||
fnf_keypress:
|
||||
lda KEYPRESS
|
||||
bpl fnf_keypress
|
||||
bit KEYRESET
|
||||
|
||||
jmp which_load_loop
|
||||
|
||||
; offset for disk number is 19
|
||||
error_string:
|
||||
.byte "PLEASE INSERT DISK 1, PRESS RETURN",0
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; OPENDIR: actually load the file
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
; turn on drive and read volume table of contents
|
||||
opendir:
|
||||
mlsmc01:lda $c0e9 ; turn slot#6 drive on
|
||||
ldx #0
|
||||
stx adrlo ; zero out adrlo
|
||||
stx secsize ; zero out secsize
|
||||
lda #$11 ; a=$11 (VTOC)
|
||||
jsr readdirsec
|
||||
firstent:
|
||||
|
||||
lda dirbuf+1
|
||||
|
||||
; lock if entry not found
|
||||
entry_not_found:
|
||||
beq file_not_found
|
||||
|
||||
; read directory sector
|
||||
|
||||
ldx dirbuf+2
|
||||
jsr seekread1
|
||||
ldy #7 ;number of directory entries in a sector
|
||||
ldx #$2b ;offset of filename in directory entry
|
||||
nextent:
|
||||
tya
|
||||
pha ; was **phy**
|
||||
txa
|
||||
pha ; was **phx**
|
||||
ldy #$1d
|
||||
|
||||
; match name backwards (slower but smaller)
|
||||
|
||||
L4:
|
||||
lda (namlo), y
|
||||
cmp dirbuf, x
|
||||
beq foundname
|
||||
pla
|
||||
|
||||
; move to next directory in this block, if possible
|
||||
|
||||
clc
|
||||
adc #$23
|
||||
tax
|
||||
pla
|
||||
tay ; was **ply**
|
||||
dey
|
||||
bne nextent
|
||||
beq firstent ; was **bra**
|
||||
|
||||
foundname:
|
||||
dex
|
||||
dey
|
||||
bpl L4
|
||||
pla
|
||||
tay ; was **ply**
|
||||
pla
|
||||
|
||||
; read track/sector list
|
||||
|
||||
lda dirbuf-32, y
|
||||
ldx dirbuf-31, y
|
||||
jsr seekread1
|
||||
|
||||
; read load offset and length info only, initially
|
||||
|
||||
lda #<filbuf
|
||||
sta adrlo
|
||||
lda #4
|
||||
sta secsize
|
||||
lda dirbuf+12
|
||||
ldx dirbuf+13
|
||||
ldy #>filbuf
|
||||
jsr seekread
|
||||
|
||||
; reduce load offset by 4, to account for offset and length
|
||||
|
||||
sec
|
||||
lda filbuf
|
||||
sbc #4
|
||||
sta adrlo
|
||||
|
||||
lda filbuf+1
|
||||
sbc #0
|
||||
sta adrhi
|
||||
|
||||
; save on stack bytes that will be overwritten by extra read
|
||||
|
||||
ldy #3
|
||||
L5:
|
||||
lda (adrlo), y
|
||||
pha
|
||||
dey
|
||||
bpl L5
|
||||
|
||||
lda adrhi
|
||||
pha
|
||||
lda adrlo
|
||||
pha
|
||||
|
||||
; increase load size by 4, to account for offst and length
|
||||
|
||||
lda filbuf+2
|
||||
adc #3
|
||||
sta sizelo
|
||||
sta secsize
|
||||
|
||||
lda filbuf+3
|
||||
adc #0
|
||||
sta sizehi
|
||||
beq readfirst
|
||||
lda #0 ; was **stz secsize**
|
||||
sta secsize
|
||||
|
||||
readfirst:
|
||||
ldy #$0c
|
||||
|
||||
; read a file sector
|
||||
|
||||
readnext:
|
||||
tya
|
||||
pha
|
||||
lda dirbuf, y ; A = track
|
||||
ldx dirbuf+1, y ; x = sector
|
||||
jsr seekread1
|
||||
pla
|
||||
tay
|
||||
|
||||
; if low count is non-zero then we are done
|
||||
; (can happen only for partial last block)
|
||||
|
||||
lda secsize
|
||||
bne readdone
|
||||
|
||||
; continue if more than $100 bytes left
|
||||
|
||||
dec sizehi
|
||||
bne L6
|
||||
|
||||
; set read size to min(length, $100)
|
||||
|
||||
lda sizelo
|
||||
beq readdone
|
||||
sta secsize
|
||||
L6:
|
||||
inc adrhi
|
||||
iny
|
||||
iny
|
||||
bne readnext
|
||||
|
||||
; save current address for after t/s read
|
||||
|
||||
lda adrhi
|
||||
pha
|
||||
lda adrlo
|
||||
pha
|
||||
lda #0
|
||||
sta adrlo ; was **stz adrlo**
|
||||
|
||||
; read next track/sector sector
|
||||
|
||||
lda dirbuf+1
|
||||
ldx dirbuf+2
|
||||
jsr readdirsec
|
||||
clc
|
||||
|
||||
; restore current address
|
||||
readdone:
|
||||
pla
|
||||
sta adrlo ; code originally had this backwards
|
||||
pla
|
||||
sta adrhi
|
||||
bcc readfirst
|
||||
|
||||
mlsmc02:lda $c0e8
|
||||
|
||||
; restore from stack bytes that were overwritten by extra read
|
||||
|
||||
ldx #3
|
||||
ldy #0
|
||||
L7:
|
||||
pla
|
||||
sta (adrlo), y
|
||||
iny
|
||||
dex
|
||||
bpl L7
|
||||
rts
|
||||
|
||||
|
||||
;======================
|
||||
; readdirsec
|
||||
;======================
|
||||
; a = track?
|
||||
; x = sector?
|
||||
readdirsec:
|
||||
ldy #>dirbuf
|
||||
seekread:
|
||||
sty adrhi
|
||||
seekread1:
|
||||
sta phase
|
||||
lda sectbl, x
|
||||
sta reqsec
|
||||
jsr readadr
|
||||
|
||||
; if track does not match, then seek
|
||||
|
||||
cpx phase
|
||||
beq checksec
|
||||
jsr seek
|
||||
|
||||
|
||||
;=========================================
|
||||
; re merge in with qkumba's recent changes
|
||||
; to fix seek problem?
|
||||
;=========================================
|
||||
|
||||
; [re-]read sector
|
||||
|
||||
re_read_addr:
|
||||
jsr readadr
|
||||
checksec:
|
||||
cmp reqsec
|
||||
bne re_read_addr
|
||||
|
||||
;=========================
|
||||
; read sector data
|
||||
;=========================
|
||||
|
||||
readdata:
|
||||
jsr readd5aa
|
||||
eor #$ad ; zero A if match
|
||||
bne re_read_addr
|
||||
|
||||
L12:
|
||||
mlsmc03:ldx $c0ec ; read until valid data (high bit set)
|
||||
bpl L12
|
||||
eor nibtbl-$80, x
|
||||
sta bit2tbl-$aa, y
|
||||
iny
|
||||
bne L12
|
||||
L13:
|
||||
mlsmc04:ldx $c0ec ; read until valid data (high bit set)
|
||||
bpl L13
|
||||
eor nibtbl-$80, x
|
||||
sta (adrlo), y ; the real address
|
||||
iny
|
||||
cpy secsize
|
||||
bne L13
|
||||
ldy #0
|
||||
L14:
|
||||
ldx #$a9
|
||||
L15:
|
||||
inx
|
||||
beq L14
|
||||
lda (adrlo), y
|
||||
lsr bit2tbl-$aa, x
|
||||
rol
|
||||
lsr bit2tbl-$aa, x
|
||||
rol
|
||||
sta (adrlo), y
|
||||
iny
|
||||
cpy secsize
|
||||
bne L15
|
||||
rts
|
||||
|
||||
; no tricks here, just the regular stuff
|
||||
|
||||
;=======================
|
||||
; readaddr -- read the address field
|
||||
;=======================
|
||||
; Find address field, put track in cutrk, sector in tmpsec
|
||||
|
||||
readadr:
|
||||
jsr readd5aa
|
||||
cmp #$96
|
||||
bne readadr
|
||||
ldy #3 ; three?
|
||||
; first read volume/volume
|
||||
; then track/track
|
||||
; then sector/sector?
|
||||
adr_read_two_bytes:
|
||||
tax
|
||||
jsr readnib
|
||||
rol
|
||||
sta tmpsec
|
||||
jsr readnib
|
||||
and tmpsec
|
||||
dey
|
||||
bne adr_read_two_bytes
|
||||
rts
|
||||
|
||||
;========================
|
||||
; make sure we see the $D5 $AA pattern
|
||||
|
||||
readd5aa:
|
||||
L16:
|
||||
jsr readnib
|
||||
L17:
|
||||
cmp #$d5
|
||||
bne L16
|
||||
jsr readnib
|
||||
cmp #$aa
|
||||
bne L17
|
||||
tay ; we need Y=#$AA later
|
||||
|
||||
readnib:
|
||||
mlsmc05:lda $c0ec ; read until valid (high bit set)
|
||||
bpl readnib
|
||||
|
||||
seekret:
|
||||
rts
|
||||
|
||||
;=====================
|
||||
; SEEK
|
||||
;=====================
|
||||
; current track in X?
|
||||
; desired track in phase
|
||||
|
||||
seek:
|
||||
ldy #0
|
||||
sty step
|
||||
asl phase ; multiply by two
|
||||
txa ; current track?
|
||||
asl ; mul by two
|
||||
copy_cur:
|
||||
tax
|
||||
sta tmptrk
|
||||
sec
|
||||
sbc phase
|
||||
beq L22
|
||||
bcs L18
|
||||
eor #$ff
|
||||
inx
|
||||
bcc L19
|
||||
L18:
|
||||
sbc #1
|
||||
dex
|
||||
L19:
|
||||
cmp step
|
||||
bcc L20
|
||||
lda step
|
||||
L20:
|
||||
cmp #8
|
||||
bcs L21
|
||||
tay
|
||||
sec
|
||||
L21:
|
||||
txa
|
||||
pha
|
||||
ldx step1, y
|
||||
L22:
|
||||
php
|
||||
bne L24
|
||||
L23:
|
||||
clc
|
||||
lda tmptrk
|
||||
ldx step2, y
|
||||
L24:
|
||||
stx tmpsec
|
||||
and #3
|
||||
rol
|
||||
tax
|
||||
lsr
|
||||
mlsmc06:lda $c0e0, x
|
||||
L25:
|
||||
ldx #$12
|
||||
L26:
|
||||
dex
|
||||
bpl L26
|
||||
dec tmpsec
|
||||
bne L25
|
||||
bcs L23
|
||||
plp
|
||||
beq seekret
|
||||
pla
|
||||
inc step
|
||||
bne copy_cur
|
||||
|
||||
|
||||
|
||||
step1: .byte $01, $30, $28, $24, $20, $1e, $1d, $1c
|
||||
step2: .byte $70, $2c, $26, $22, $1f, $1e, $1d, $1c
|
||||
|
||||
sectbl: .byte $00,$0d,$0b,$09,$07,$05,$03,$01,$0e,$0c,$0a,$08,$06,$04,$02,$0f
|
||||
|
||||
|
||||
; From $BA96 of DOS33
|
||||
;nibtbl: .res 128 ; = *
|
||||
; .byte $00,$01,$98,$99,$02,$03,$9C,$04 ; $BA96 ; 00
|
||||
; .byte $05,$06,$A0,$A1,$A2,$A4,$A4,$A5 ; $BA9E ; 08
|
||||
; .byte $07,$08,$A8,$A9,$AA,$09,$0A,$0B ; $BAA6 ; 10
|
||||
; .byte $0C,$0D,$B0,$B1,$0E,$0F,$10,$11 ; $BAAE ; 18
|
||||
; .byte $12,$13,$B8,$14,$15,$16,$17,$18 ; $BAB6 ; 20
|
||||
; .byte $19,$1A,$C0,$C1,$C2,$C3,$C4,$C5 ; $BABE ; 28
|
||||
; .byte $C6,$C7,$C8,$C9,$CA,$1B,$CC,$1C ; $BAC6 ; 30
|
||||
; .byte $1D,$1E,$D0,$D1,$D2,$1E,$D4,$D5 ; $BACE ; 38
|
||||
; .byte $20,$21,$D8,$22,$23,$24,$25,$26 ; $BAD6 ; 40
|
||||
; .byte $27,$28,$E0,$E1,$E2,$E3,$E4,$29 ; $BADE ; 48
|
||||
; .byte $2A,$2B,$E8,$2C,$2D,$2E,$2F,$30 ; $BAE6 ; 50
|
||||
; .byte $31,$32,$F0,$F1,$33,$34,$35,$36 ; $BAEE ; 58
|
||||
; .byte $37,$38,$F8,$39,$3A,$3B,$3C,$3D ; $BAF6 ; 60
|
||||
; .byte $3E,$3F,$13,$00,$01,$02,$01,$00 ; $BAFE ; 68
|
||||
; .byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
; .byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
|
||||
|
||||
;bit2tbl: .res 86 ; = nibtbl+128
|
||||
;filbuf: .res 4 ; = bit2tbl+86
|
||||
|
||||
|
||||
;dataend = filbuf+4
|
||||
|
||||
.include "init_vars.s"
|
||||
|
||||
loader_end:
|
||||
|
||||
.assert (<loader_end - <loader_start)>16, error, "loader too big"
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
; For Help press ^H
|
||||
|
||||
print_help:
|
||||
bit KEYRESET ; clear keyboard
|
||||
bit SET_TEXT
|
||||
|
||||
jsr normal_text
|
||||
|
||||
lda #' '|$80
|
||||
sta clear_all_color+1
|
||||
jsr clear_all
|
||||
|
||||
lda #<help_text
|
||||
sta OUTL
|
||||
lda #>help_text
|
||||
sta OUTH
|
||||
jsr move_and_print_list
|
||||
|
||||
jsr page_flip
|
||||
|
||||
wait_for_keypress:
|
||||
lda KEYPRESS
|
||||
bpl wait_for_keypress
|
||||
bit KEYRESET
|
||||
|
||||
|
||||
bit SET_GR
|
||||
rts
|
||||
|
||||
help_text:
|
||||
.byte 0, 5,"CONTROLS:",0
|
||||
.byte 3, 6, "A OR <- : MOVE LEFT",0
|
||||
.byte 3, 7, "D OR -> : MOVE RIGHT",0
|
||||
.byte 3, 8, "W OR UP : ACTION, ENTER DOOR",0
|
||||
.byte 3, 9, "SPACEBAR : JUMP",0
|
||||
.byte 3,10, "RETURN : SHOOT LASER",0
|
||||
.byte 3,12, "ESC : QUITS",0
|
||||
.byte 3,13, "CONTROL-T : TOGGLE SOUND",0
|
||||
.byte 3,14, "J : ENABLE JOYSTICK",0
|
||||
.byte 255
|
||||
|
|
@ -0,0 +1,191 @@
|
|||
;=============================
|
||||
; normal_text
|
||||
;=============================
|
||||
; modify so print normal text
|
||||
normal_text:
|
||||
|
||||
; want ora #$80
|
||||
lda #$09
|
||||
sta ps_smc1
|
||||
|
||||
lda #$80
|
||||
sta ps_smc1+1
|
||||
|
||||
rts
|
||||
|
||||
;=============================
|
||||
; inverse_text
|
||||
;=============================
|
||||
; modify so print inverse text
|
||||
inverse_text:
|
||||
|
||||
; want and #$3f
|
||||
lda #$29
|
||||
sta ps_smc1
|
||||
|
||||
lda #$3f
|
||||
sta ps_smc1+1
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;=============================
|
||||
; raw text
|
||||
;=============================
|
||||
; modify so print raw string
|
||||
raw_text:
|
||||
|
||||
; want nop nop
|
||||
lda #$EA
|
||||
sta ps_smc1
|
||||
|
||||
lda #$EA
|
||||
sta ps_smc1+1
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
;================================
|
||||
; move_and_print
|
||||
;================================
|
||||
; get X,Y from OUTL/OUTH
|
||||
; then print following string to that address
|
||||
; stop at NUL
|
||||
; convert to APPLE ASCII (or with 0x80)
|
||||
; leave OUTL/OUTH pointing to next string
|
||||
|
||||
move_and_print:
|
||||
ldy #0
|
||||
lda (OUTL),Y
|
||||
sta CH
|
||||
iny
|
||||
lda (OUTL),Y
|
||||
asl
|
||||
tay
|
||||
lda gr_offsets,Y ; lookup low-res memory address
|
||||
clc
|
||||
adc CH ; add in xpos
|
||||
sta BASL ; store out low byte of addy
|
||||
|
||||
lda gr_offsets+1,Y ; look up high byte
|
||||
adc DRAW_PAGE ;
|
||||
sta BASH ; and store it out
|
||||
; BASH:BASL now points at right place
|
||||
|
||||
clc
|
||||
lda OUTL
|
||||
adc #2
|
||||
sta OUTL
|
||||
lda OUTH
|
||||
adc #0
|
||||
sta OUTH
|
||||
|
||||
;================================
|
||||
; print_string
|
||||
;================================
|
||||
|
||||
print_string:
|
||||
ldy #0
|
||||
print_string_loop:
|
||||
lda (OUTL),Y
|
||||
beq done_print_string
|
||||
ps_smc1:
|
||||
and #$3f ; make sure we are inverse
|
||||
sta (BASL),Y
|
||||
iny
|
||||
bne print_string_loop
|
||||
done_print_string:
|
||||
iny
|
||||
clc
|
||||
tya
|
||||
adc OUTL
|
||||
sta OUTL
|
||||
lda OUTH
|
||||
adc #0
|
||||
sta OUTH
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;================================
|
||||
; move and print a list of lines
|
||||
;================================
|
||||
move_and_print_list:
|
||||
jsr move_and_print
|
||||
ldy #0
|
||||
lda (OUTL),Y
|
||||
bpl move_and_print_list
|
||||
|
||||
rts
|
||||
|
||||
|
||||
.if 0
|
||||
;================================
|
||||
; move and print a list of lines
|
||||
;================================
|
||||
move_and_print_list_both_pages:
|
||||
lda DRAW_PAGE
|
||||
pha
|
||||
|
||||
lda OUTL
|
||||
pha
|
||||
lda OUTH
|
||||
pha
|
||||
|
||||
lda #0
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print_list
|
||||
|
||||
pla
|
||||
sta OUTH
|
||||
pla
|
||||
sta OUTL
|
||||
|
||||
lda #4
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print_list
|
||||
|
||||
pla
|
||||
sta DRAW_PAGE
|
||||
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
;=======================
|
||||
; print to both pages
|
||||
;=======================
|
||||
print_both_pages:
|
||||
lda DRAW_PAGE
|
||||
pha
|
||||
|
||||
lda OUTL
|
||||
pha
|
||||
lda OUTH
|
||||
pha
|
||||
|
||||
lda #0
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print
|
||||
|
||||
pla
|
||||
sta OUTH
|
||||
pla
|
||||
sta OUTL
|
||||
|
||||
lda #4
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print
|
||||
|
||||
pla
|
||||
sta DRAW_PAGE
|
||||
|
||||
|
||||
rts
|
||||
.endif
|
||||
|
|
@ -0,0 +1,209 @@
|
|||
;; Zero Page
|
||||
|
||||
;; ZX02 addresses
|
||||
|
||||
ZP=$00
|
||||
|
||||
offset = ZP+0
|
||||
ZX0_src = ZP+2
|
||||
ZX0_dst = ZP+4
|
||||
bitr = ZP+6
|
||||
pntr = ZP+7
|
||||
|
||||
|
||||
|
||||
;; Zero page monitor routines addresses
|
||||
|
||||
WNDLFT = $20
|
||||
WNDWDTH = $21
|
||||
WNDTOP = $22
|
||||
WNDBTM = $23
|
||||
CH = $24
|
||||
CV = $25
|
||||
GBASL = $26
|
||||
GBASH = $27
|
||||
BASL = $28
|
||||
BASH = $29
|
||||
H2 = $2C
|
||||
X_LEFT = $2C
|
||||
V2 = $2D
|
||||
MASK = $2E
|
||||
COLOR_MASK = $2F
|
||||
COLOR = $30
|
||||
|
||||
SEEDL = $4e
|
||||
SEEDH = $4f
|
||||
XMAX = $50
|
||||
|
||||
|
||||
|
||||
; MIST zero page addresses
|
||||
|
||||
FRAMEL = $60
|
||||
FRAMEH = $61
|
||||
;CURSOR_X = $62
|
||||
;CURSOR_Y = $63
|
||||
XPOS = $64
|
||||
YPOS = $65
|
||||
LOCATION_STRUCT_L = $66
|
||||
LOCATION_STRUCT_H = $67
|
||||
IN_SPECIAL = $68
|
||||
CURSOR_VISIBLE = $69
|
||||
IN_LEFT = $6A
|
||||
IN_RIGHT = $6B
|
||||
BTC_L = $6C
|
||||
BTC_H = $6D
|
||||
|
||||
; pt3 player registers
|
||||
REGISTER_DUMP = $70
|
||||
AY_REGISTERS = $70
|
||||
A_FINE_TONE = $70
|
||||
A_COARSE_TONE = $71
|
||||
B_FINE_TONE = $72
|
||||
B_COARSE_TONE = $73
|
||||
C_FINE_TONE = $74
|
||||
C_COARSE_TONE = $75
|
||||
NOISE = $76
|
||||
ENABLE = $77
|
||||
PT3_MIXER_VAL = $77
|
||||
A_VOLUME = $78
|
||||
B_VOLUME = $79
|
||||
C_VOLUME = $7A
|
||||
ENVELOPE_FINE = $7B
|
||||
ENVELOPE_COARSE = $7C
|
||||
ENVELOPE_SHAPE = $7D
|
||||
COPY_OFFSET = $7E
|
||||
DECODER_STATE = $7F
|
||||
|
||||
PATTERN_L = $7E
|
||||
PATTERN_H = $7F
|
||||
|
||||
|
||||
; note 70-7f also used by disk code
|
||||
|
||||
; note: rest are up at $f0
|
||||
|
||||
; We have to save/restore the following values
|
||||
; when loading/storing from disk
|
||||
|
||||
WHICH_LOAD = $80 ; which file to load
|
||||
|
||||
DUKE_XL = $81
|
||||
DUKE_X = $82 ; location of protagonist
|
||||
DUKE_Y = $83
|
||||
DUKE_DIRECTION = $84
|
||||
DUKE_WALKING = $85
|
||||
DUKE_JUMPING = $86
|
||||
|
||||
LASER_OUT = $87
|
||||
LASER_X = $88
|
||||
LASER_Y = $89
|
||||
LASER_DIRECTION = $8A
|
||||
TILEMAP_X = $8B
|
||||
TILEMAP_Y = $8C
|
||||
|
||||
DUKE_FOOT_OFFSET = $8D
|
||||
|
||||
FIREPOWER = $8E
|
||||
INVENTORY = $8F
|
||||
INV_RED_KEY = $80
|
||||
INV_BLUE_KEY = $20
|
||||
INV_SHOE = $08
|
||||
INV_GRIP = $02
|
||||
HEALTH = $90
|
||||
SCORE0 = $91
|
||||
SCORE1 = $92
|
||||
SCORE2 = $93
|
||||
UPDATE_STATUS = $94
|
||||
|
||||
DUKE_FALLING = $95
|
||||
DUKE_SHOOTING = $96
|
||||
KICK_UP_DUST = $97
|
||||
SUPPRESS_WALK = $98
|
||||
ENEMY_DATAL = $99
|
||||
ENEMY_DATAH = $9A
|
||||
DOOR_ACTIVATED = $9B
|
||||
LASER_TILE = $9C
|
||||
TILE_TEMP = $9D
|
||||
|
||||
; done game puzzle state
|
||||
|
||||
|
||||
WHICH_SLOT = $DA
|
||||
JS_BUTTON_STATE = $DB
|
||||
CURRENT_DISK = $DC
|
||||
JOYSTICK_ENABLED= $DD
|
||||
SOUND_STATUS = $DE
|
||||
SOUND_DISABLED = $80
|
||||
SOUND_IN_LC = $01 ; $01 sound effects in language card
|
||||
SOUND_MOCKINGBOARD = $02 ; mockingboard detected
|
||||
|
||||
GRID_PAGE = $DF
|
||||
ANIMATE_FRAME = $E0
|
||||
LEVEL_OVER = $E1
|
||||
GAME_OVER = $FF
|
||||
NEXT_LEVEL = $01
|
||||
LOCATIONS_L = $E2
|
||||
LOCATIONS_H = $E3
|
||||
|
||||
; temp var per-world define
|
||||
LONG_FRAME = $E4 ; nibel
|
||||
CURRENT_DISPLAY = $E4 ; selena
|
||||
LAST_PLAYED = $E4 ; selena
|
||||
|
||||
DISP_PAGE = $ED ; ALL
|
||||
DRAW_PAGE = $EE ; ALL
|
||||
|
||||
; rest of pt3_player
|
||||
MB_DETECTED = $EF
|
||||
WHICH_CHUNK = $F0
|
||||
MB_CHUNK_OFFSET = $F1
|
||||
LOOP = $F4
|
||||
MB_VALUE = $F5
|
||||
MB_ADDR_L = $F6
|
||||
MB_ADDR_H = $F7
|
||||
DONE_PLAYING = $F8
|
||||
DONE_SONG = $F9
|
||||
|
||||
; rest of pt3_player
|
||||
PT3_TEMP = $EF
|
||||
ORNAMENT_L = $F0
|
||||
ORNAMENT_H = $F1
|
||||
SAMPLE_L = $F2
|
||||
SAMPLE_H = $F3
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
TEMP = $FA
|
||||
TEMPY = $FB
|
||||
INL = $FC
|
||||
INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
; read any file slot 6 version
|
||||
; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
|
||||
|
||||
; modified to assemble with ca65 -- vmw
|
||||
; added code to patch it to run from current disk slot -- vmw
|
||||
|
||||
|
||||
adrlo = $26 ; constant from boot prom
|
||||
adrhi = $27 ; constant from boot prom
|
||||
tmpsec = $3c ; constant from boot prom
|
||||
reqsec = $3d ; constant from boot prom
|
||||
sizelo = $44
|
||||
sizehi = $45
|
||||
secsize = $46
|
||||
|
||||
ldsizel = $70
|
||||
ldsizeh = $71
|
||||
namlo = $7b
|
||||
namhi = $7c
|
||||
step = $7d ; state for stepper motor
|
||||
tmptrk = $7e ; temporary copy of current track
|
||||
phase = $7f ; current phase for /seek
|
||||
|
||||
|
|
@ -0,0 +1,163 @@
|
|||
; De-compressor for ZX02 files
|
||||
; ----------------------------
|
||||
;
|
||||
; Decompress ZX02 data (6502 optimized format), optimized for speed and size
|
||||
; 138 bytes code, 58.0 cycles/byte in test file.
|
||||
;
|
||||
; Compress with:
|
||||
; zx02 input.bin output.zx0
|
||||
;
|
||||
; (c) 2022 DMSC
|
||||
; Code under MIT license, see LICENSE file.
|
||||
|
||||
|
||||
;ZP=$80
|
||||
|
||||
;offset = ZP+0
|
||||
;ZX0_src = ZP+2
|
||||
;ZX0_dst = ZP+4
|
||||
;bitr = ZP+6
|
||||
;pntr = ZP+7
|
||||
|
||||
; Initial values for offset, source, destination and bitr
|
||||
;zx0_ini_block:
|
||||
; .byte $00, $00 ; offset
|
||||
;comp_data:
|
||||
; .byte $0, $0 ; zx0_src
|
||||
;out_addr:
|
||||
; .byte $0, $0 ; zx0_dst
|
||||
; .byte $80 ; bitr
|
||||
|
||||
;--------------------------------------------------
|
||||
; Decompress ZX0 data (6502 optimized format)
|
||||
|
||||
; destination page in A
|
||||
full_decomp:
|
||||
sta ZX0_dst+1
|
||||
|
||||
ldy #$80
|
||||
sty bitr
|
||||
|
||||
ldy #0 ; always on page boundary
|
||||
sty ZX0_dst
|
||||
|
||||
sty offset
|
||||
sty offset+1
|
||||
|
||||
; Y needs to be 0 here
|
||||
|
||||
; Get initialization block
|
||||
; ldy #7
|
||||
|
||||
;copy_init: lda zx0_ini_block-1, y
|
||||
; sta offset-1, y
|
||||
; dey
|
||||
; bne copy_init
|
||||
|
||||
; Decode literal: Ccopy next N bytes from compressed file
|
||||
; Elias(length) byte[1] byte[2] ... byte[N]
|
||||
decode_literal:
|
||||
jsr get_elias
|
||||
|
||||
cop0: lda (ZX0_src), y
|
||||
inc ZX0_src
|
||||
bne plus1
|
||||
inc ZX0_src+1
|
||||
plus1: sta (ZX0_dst),y
|
||||
inc ZX0_dst
|
||||
bne plus2
|
||||
inc ZX0_dst+1
|
||||
plus2: dex
|
||||
bne cop0
|
||||
|
||||
asl bitr
|
||||
bcs dzx0s_new_offset
|
||||
|
||||
; Copy from last offset (repeat N bytes from last offset)
|
||||
; Elias(length)
|
||||
jsr get_elias
|
||||
dzx0s_copy:
|
||||
lda ZX0_dst
|
||||
sbc offset ; C=0 from get_elias
|
||||
sta pntr
|
||||
lda ZX0_dst+1
|
||||
sbc offset+1
|
||||
sta pntr+1
|
||||
|
||||
cop1:
|
||||
lda (pntr), y
|
||||
inc pntr
|
||||
bne plus3
|
||||
inc pntr+1
|
||||
plus3: sta (ZX0_dst),y
|
||||
inc ZX0_dst
|
||||
bne plus4
|
||||
inc ZX0_dst+1
|
||||
plus4: dex
|
||||
bne cop1
|
||||
|
||||
asl bitr
|
||||
bcc decode_literal
|
||||
|
||||
; Copy from new offset (repeat N bytes from new offset)
|
||||
; Elias(MSB(offset)) LSB(offset) Elias(length-1)
|
||||
dzx0s_new_offset:
|
||||
; Read elias code for high part of offset
|
||||
jsr get_elias
|
||||
beq exit ; Read a 0, signals the end
|
||||
; Decrease and divide by 2
|
||||
dex
|
||||
txa
|
||||
lsr ; @
|
||||
sta offset+1
|
||||
|
||||
; Get low part of offset, a literal 7 bits
|
||||
lda (ZX0_src), y
|
||||
inc ZX0_src
|
||||
bne plus5
|
||||
inc ZX0_src+1
|
||||
plus5:
|
||||
; Divide by 2
|
||||
ror ; @
|
||||
sta offset
|
||||
|
||||
; And get the copy length.
|
||||
; Start elias reading with the bit already in carry:
|
||||
ldx #1
|
||||
jsr elias_skip1
|
||||
|
||||
inx
|
||||
bcc dzx0s_copy
|
||||
|
||||
; Read an elias-gamma interlaced code.
|
||||
; ------------------------------------
|
||||
get_elias:
|
||||
; Initialize return value to #1
|
||||
ldx #1
|
||||
bne elias_start
|
||||
|
||||
elias_get: ; Read next data bit to result
|
||||
asl bitr
|
||||
rol ; @
|
||||
tax
|
||||
|
||||
elias_start:
|
||||
; Get one bit
|
||||
asl bitr
|
||||
bne elias_skip1
|
||||
|
||||
; Read new bit from stream
|
||||
lda (ZX0_src), y
|
||||
inc ZX0_src
|
||||
bne plus6
|
||||
inc ZX0_src+1
|
||||
plus6: ;sec ; not needed, C=1 guaranteed from last bit
|
||||
rol ;@
|
||||
sta bitr
|
||||
|
||||
elias_skip1:
|
||||
txa
|
||||
bcs elias_get
|
||||
; Got ending bit, stop reading
|
||||
exit:
|
||||
rts
|
||||
|
|
@ -96,5 +96,5 @@ a2_fortnight_rat2.hgr: a2_fortnight_rat2.png
|
|||
####
|
||||
|
||||
clean:
|
||||
rm -f *~ *.o *.lst disk_sprintes.inc *.zx02 *.hgr
|
||||
rm -f *~ *.o *.lst disk_sprites.inc *.zx02 *.hgr
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,32 @@
|
|||
include ../../../Makefile.inc
|
||||
|
||||
DOS33 = ../../../utils/dos33fs-utils/dos33
|
||||
TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
|
||||
LINKER_SCRIPTS = ../../../linker_scripts
|
||||
EMPTY_DISK = ../../../empty_disk
|
||||
|
||||
all: bubble_gr.dsk
|
||||
|
||||
bubble_gr.dsk: HELLO BUBBLE_GR
|
||||
cp $(EMPTY_DISK)/empty.dsk bubble_gr.dsk
|
||||
$(DOS33) -y bubble_gr.dsk SAVE A HELLO
|
||||
$(DOS33) -y bubble_gr.dsk BSAVE -a 0x2000 BUBBLE_GR
|
||||
|
||||
###
|
||||
|
||||
HELLO: hello.bas
|
||||
$(TOKENIZE) < hello.bas > HELLO
|
||||
|
||||
###
|
||||
|
||||
BUBBLE_GR: bubble_gr.o
|
||||
ld65 -o BUBBLE_GR bubble_gr.o -C $(LINKER_SCRIPTS)/apple2_2000.inc
|
||||
|
||||
bubble_gr.o: bubble_gr.s
|
||||
ca65 -o bubble_gr.o bubble_gr.s -l bubble_gr.lst
|
||||
|
||||
###
|
||||
|
||||
clean:
|
||||
rm -f *~ *.o *.lst HELLO BUBBLE_GR
|
||||
|
||||
|
|
@ -0,0 +1,304 @@
|
|||
; bubble universe -- Apple II Hires
|
||||
|
||||
; size optimized version, using ROM (slower)
|
||||
|
||||
; by Vince `deater` Weaver
|
||||
|
||||
; this version based on fast c64 code by serato_fig
|
||||
; as posted to the sizecoding discord
|
||||
; based on his TIC-80 variant
|
||||
|
||||
; originally was working off the BASIC code posted on the pouet forum
|
||||
; original effect by yuruyrau on twitter
|
||||
|
||||
; 534 bytes -- tiny version
|
||||
; 250 bytes -- strip out fast clear and hplot code and use ROM
|
||||
|
||||
; 76d03 cycles = 486659 cycles = 2fps
|
||||
|
||||
; soft-switches
|
||||
|
||||
KEYPRESS = $C000
|
||||
KEYRESET = $C010
|
||||
PAGE1 = $C054
|
||||
PAGE2 = $C055
|
||||
|
||||
; ROM routines
|
||||
|
||||
BKGND0 = $F3F4 ; clear current page to A
|
||||
HGR2 = $F3D8 ; set hires page2 and clear $4000-$5fff
|
||||
HGR = $F3E2 ; set hires page1 and clear $2000-$3fff
|
||||
HPLOT0 = $F457 ; plot at (Y,X), (A)
|
||||
HCOLOR1 = $F6F0 ; set HGR_COLOR to value in X
|
||||
;COLORTBL = $F6F6
|
||||
;WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
|
||||
|
||||
; zero page
|
||||
|
||||
GBASL = $26
|
||||
GBASH = $27
|
||||
|
||||
|
||||
HPLOTYL = $92
|
||||
|
||||
I = $D0
|
||||
J = $D1
|
||||
T = $D7
|
||||
U = $D8
|
||||
V = $D9
|
||||
|
||||
HGR_PAGE = $E6
|
||||
|
||||
INL = $FC
|
||||
INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
; const
|
||||
|
||||
;NUM = 32
|
||||
;NUM = 24
|
||||
|
||||
bubble:
|
||||
|
||||
;========================
|
||||
; setup lookup tables
|
||||
|
||||
; jsr hgr_make_tables
|
||||
|
||||
; jsr hgr_clear_codegen
|
||||
|
||||
jsr setup_sine_table
|
||||
|
||||
;=======================
|
||||
; init graphics
|
||||
|
||||
jsr HGR
|
||||
jsr HGR2
|
||||
|
||||
;=======================
|
||||
; init variables
|
||||
|
||||
; HGR leaves A at 0
|
||||
|
||||
; lda #0
|
||||
sta U
|
||||
sta V
|
||||
sta T
|
||||
|
||||
ldx #7
|
||||
jsr HCOLOR1
|
||||
|
||||
;=========================
|
||||
;=========================
|
||||
; main loop
|
||||
;=========================
|
||||
;=========================
|
||||
|
||||
next_frame:
|
||||
|
||||
; reset I*T
|
||||
|
||||
lda T
|
||||
sta it1_smc+1
|
||||
sta it2_smc+1
|
||||
|
||||
; reset I*S
|
||||
|
||||
lda #0
|
||||
sta is1_smc+1
|
||||
sta is2_smc+1
|
||||
|
||||
num1_smc:
|
||||
lda #24 ; 40
|
||||
sta I
|
||||
|
||||
i_loop:
|
||||
num2_smc:
|
||||
lda #24 ; 200
|
||||
|
||||
sta J
|
||||
j_loop:
|
||||
ldx U
|
||||
ldy V
|
||||
|
||||
|
||||
; where S=41 (approximately 1/6.28)
|
||||
|
||||
clc ; 2
|
||||
|
||||
|
||||
|
||||
; calc: b=i+t+u;
|
||||
; u=cosines[a]+cosines[b];
|
||||
is2_smc:
|
||||
lda cosines,Y ; 4+
|
||||
it2_smc:
|
||||
adc cosines,X ; 4+
|
||||
sta V
|
||||
|
||||
; calc: a=i*s+v;
|
||||
; u=sines[a]+sines[b];
|
||||
is1_smc:
|
||||
lda sines,Y ; 4+
|
||||
it1_smc:
|
||||
adc sines,X ; 4+
|
||||
sta U ; 3
|
||||
|
||||
;===========================================================
|
||||
; HPLOT U+44,V+96
|
||||
; U is centered at 96, to get to center of 280 screen add 44
|
||||
|
||||
; U already in A
|
||||
|
||||
adc #44 ; 2
|
||||
tax ; 2
|
||||
|
||||
; calculate Ypos
|
||||
lda V
|
||||
|
||||
;HPLOT0 = $F457 ; plot at (Y,X), (A)
|
||||
|
||||
ldy #0
|
||||
|
||||
jsr HPLOT0
|
||||
|
||||
|
||||
dec J
|
||||
bne j_loop
|
||||
|
||||
done_j:
|
||||
|
||||
lda is1_smc+1
|
||||
clc
|
||||
adc #41 ; 1/6.28 = 0.16 = 0 0 1 0 1 0 0 0 = 0x28
|
||||
sta is1_smc+1
|
||||
sta is2_smc+1
|
||||
dec I
|
||||
bne i_loop
|
||||
done_i:
|
||||
|
||||
; sty V
|
||||
inc T
|
||||
|
||||
end:
|
||||
|
||||
.if 0
|
||||
lda KEYPRESS
|
||||
bpl flip_pages
|
||||
bit KEYRESET
|
||||
; 0110 -> 0100
|
||||
and #$5f ; to handle lowercase too...
|
||||
|
||||
cmp #'A'
|
||||
bne check_z
|
||||
inc num1_smc+1
|
||||
jmp done_keys
|
||||
check_z:
|
||||
cmp #'Z'
|
||||
bne check_j
|
||||
dec num1_smc+1
|
||||
jmp done_keys
|
||||
check_j:
|
||||
cmp #'J'
|
||||
bne check_m
|
||||
inc num2_smc+1
|
||||
jmp done_keys
|
||||
check_m:
|
||||
cmp #'M'
|
||||
bne done_keys
|
||||
dec num2_smc+1
|
||||
.endif
|
||||
done_keys:
|
||||
|
||||
flip_pages:
|
||||
; flip pages
|
||||
|
||||
; if $20 (draw PAGE1) draw PAGE2, SHOW page1
|
||||
; if $40 (draw PAGE2) draw PAGE1, SHOW page2
|
||||
|
||||
lda HGR_PAGE
|
||||
eor #$60
|
||||
sta HGR_PAGE
|
||||
|
||||
cmp #$40
|
||||
bne flip2
|
||||
flip1:
|
||||
bit PAGE1
|
||||
lda #0
|
||||
jsr BKGND0
|
||||
; jsr hgr_page2_clearscreen
|
||||
jmp next_frame
|
||||
flip2:
|
||||
bit PAGE2
|
||||
lda #0
|
||||
jsr BKGND0
|
||||
; jsr hgr_page1_clearscreen
|
||||
jmp next_frame
|
||||
|
||||
|
||||
; floor(s*sin((x-96)*PI*2/256.0)+48.5);
|
||||
|
||||
; note: min=7, around 32
|
||||
; max=89 ($59), around 160
|
||||
; subtract 7, so 0...82? halfway = 41 = $29 + 7 = $30
|
||||
; halfway= 6*16 = 96
|
||||
|
||||
sines = $6c00
|
||||
sines2 = $6d00
|
||||
cosines = $6e00
|
||||
cosines2= $6f00
|
||||
|
||||
;===================================
|
||||
;
|
||||
;
|
||||
; final_sine[i]=quarter_sine[i]; // 0..64
|
||||
; final_sine[128-i]=quarter_sine[i]; // 64..128
|
||||
; final_sine[128+i]=0x60-quarter_sine[i]; // 128..192
|
||||
; final_sine[256-i]=0x60-quarter_sine[i]; // 192..256
|
||||
|
||||
setup_sine_table:
|
||||
|
||||
ldy #64
|
||||
ldx #64
|
||||
setup_sine_loop:
|
||||
|
||||
lda sines_base,Y
|
||||
sta sines,Y
|
||||
sta sines2,Y
|
||||
sta sines,X
|
||||
sta sines2,X
|
||||
|
||||
lda #$60
|
||||
sec
|
||||
sbc sines_base,Y
|
||||
|
||||
sta sines+128,Y
|
||||
sta sines2+128,Y
|
||||
sta sines+128,X
|
||||
sta sines2+128,X
|
||||
|
||||
inx
|
||||
dey
|
||||
bpl setup_sine_loop
|
||||
|
||||
|
||||
ldy #0
|
||||
cosine_loop:
|
||||
lda sines+192,Y
|
||||
sta cosines,Y
|
||||
sta cosines2,Y
|
||||
iny
|
||||
bne cosine_loop
|
||||
|
||||
rts
|
||||
|
||||
sines_base:
|
||||
.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
|
||||
.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
|
||||
.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
|
||||
.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
|
||||
.byte $59
|
||||
|
||||
; floor(s*cos((x-96)*PI*2/256.0)+48.5);
|
||||
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
5 HOME
|
||||
10 PRINT " BUBBLE GR"
|
||||
15 PRINT " BY DEATER / FAST CODE BY SERATO_FIG"
|
||||
20 PRINT
|
||||
25 PRINT "THIS VERSION YOU CAN CHANGE"
|
||||
27 PRINT "PARAMETERS ON THE FLY"
|
||||
28 PRINT "+ TRY PRESSING A/Z TO INC/DEC I"
|
||||
29 PRINT "+ TRY PRESSING J/M TO INC/DEC J"
|
||||
30 PRINT:PRINT "PRESS ANY KEY TO START"
|
||||
40 GET A$
|
||||
50 IF A$="Q" THEN END
|
||||
60 PRINT:PRINT CHR$(4)"BRUN BUBBLE_GR"
|
||||
|
||||
Loading…
Reference in New Issue