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197f9b9e2b
dos33fsprogs/demos/second/part13_plasmacube/plasmacube.s
Vince Weaver 197f9b9e2b second: use common zx02 library 
was already in qload though I hadn't realized it, so use it

saves 150 bytes or so per effect
2023-11-02 15:32:58 -04:00

535 lines
13 KiB
ArmAsm
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; PLASMAGORIA
; based on original code by French Touch
.include "../hardware.inc"
.include "../zp.inc"
.include "../qload.inc"
.include "../music.inc"
; =============================================================================
; ROUTINE MAIN
; =============================================================================
plasma_main:
lda #$00
sta DRAW_PAGE
sta clear_all_color+1
lda #$04
sta DRAW_PAGE
jsr clear_all
bit PAGE2 ; set page 2
; bit SET_TEXT ; set text
bit LORES ; set lo-res
lda #0
sta FRAME
; load image offscreen $6000
lda #<mask1_data
sta zx_src_l+1
lda #>mask1_data
sta zx_src_h+1
lda #$60
jsr zx02_full_decomp
; load image offscreen $6400
lda #<mask2_data
sta zx_src_l+1
lda #>mask2_data
sta zx_src_h+1
lda #$64
jsr zx02_full_decomp
; load image offscreen $6800
lda #<mask3_data
sta zx_src_l+1
lda #>mask3_data
sta zx_src_h+1
lda #$68
jsr zx02_full_decomp
; load image offscreen $6C00
lda #<mask4_data
sta zx_src_l+1
lda #>mask4_data
sta zx_src_h+1
lda #$6C
jsr zx02_full_decomp
; load image offscreen $7000
lda #<mask5_data
sta zx_src_l+1
lda #>mask5_data
sta zx_src_h+1
lda #$70
jsr zx02_full_decomp
; load image offscreen $7400
lda #<mask6_data
sta zx_src_l+1
lda #>mask6_data
sta zx_src_h+1
lda #$74
jsr zx02_full_decomp
; load image offscreen $7800
lda #<mask7_data
sta zx_src_l+1
lda #>mask7_data
sta zx_src_h+1
lda #$78
jsr zx02_full_decomp
; load image offscreen $7C00
lda #<mask8_data
sta zx_src_l+1
lda #>mask8_data
sta zx_src_h+1
lda #$7C
jsr zx02_full_decomp
; remap the masks
; $00->$00
; $11->$40
; $22->$80
; $44->$C0
ldy #0
sty OUTL
lda #$60
sta OUTH
remap_mask:
lda (OUTL),Y
and #$7
tax
lda remap_table,X
sta (OUTL),Y
dey
bne remap_mask
inc OUTH
lda OUTH
cmp #$80
bne remap_mask
step3:
; init
lda #02
sta COMPT2
sta PARAM1
sta PARAM2
sta PARAM3
sta PARAM4
bp3:
jsr precalc ; pre-calc
jsr display_normal ; display normal
jsr VBLANK
lda #60
jsr wait_for_pattern
bcc keep_making_plasma
jmp done_plasmacube
keep_making_plasma:
inc COMPT1
bne bp3
dec COMPT2
bne bp3
jmp step3
; ============================================================================
; Precalculate some values
; ROUTINES PRE CALCUL
; ============================================================================
precalc:
lda PARAM1 ; self modify various parts
sta pc_off1+1
lda PARAM2
sta pc_off2+1
lda PARAM3
sta pc_off3+1
lda PARAM4
sta pc_off4+1
; Table1(X) = sin1(PARAM1+X)+sin2(PARAM1+X)
; Table2(X) = sin3(PARAM3+X)+sin1(PARAM4+X)
ldx #$28 ; 40
pc_b1:
pc_off1:
lda sin1
pc_off2:
adc sin2
sta Table1,X
pc_off3:
lda sin3
pc_off4:
adc sin1
sta Table2,X
inc pc_off1+1
inc pc_off2+1
inc pc_off3+1
inc pc_off4+1
dex
bpl pc_b1
inc PARAM1
inc PARAM1
dec PARAM2
inc PARAM3
dec PARAM4
rts
; ============================================================================
; Display Routines
; ROUTINES AFFICHAGES
; ============================================================================
; Display "Normal"
; AFFICHAGE "NORMAL"
display_normal:
bit SET_GR ; gfx (lores) why needed?
ldx #23 ; lines 0-23 lignes 0-23
display_line_loop:
lda gr_lookup_low,X ; setup pointers for line
sta GRLINE
lda gr_lookup_high,X
sta GRLINE+1
lda gr_lookup_low,X ; setup pointers for mask
sta INL
lda gr_lookup_high,X
clc
mask_src_smc:
adc #($70-$8)
sta INH
ldy #39 ; col 0-39
lda Table2,X ; setup base sine value for row
sta display_row_sin_smc+1
display_col_loop:
lda Table1,Y ; load in column sine value
display_row_sin_smc:
adc #00 ; add in row value
and #$3f
ora (INL),Y
sta display_lookup_smc+1 ; patch in low byte of lookup
display_lookup_smc:
lda lores_colors_rgb ; attention: must be aligned
sta (GRLINE),Y
dey
bpl display_col_loop
dex
bpl display_line_loop
rts
VBLANK:
inc FRAME
lda FRAME
lsr
lsr
lsr
lsr
and #$f
tax
lda mask_src_table,X
sta mask_src_smc+1
rts
done_plasmacube:
rts
;.align 256
gr_lookup_low:
.byte $00,$80,$00,$80,$00,$80,$00,$80
.byte $28,$A8,$28,$A8,$28,$A8,$28,$A8
.byte $50,$D0,$50,$D0,$50,$D0,$50,$D0
gr_lookup_high:
.byte $08,$08,$09,$09,$0A,$0A,$0B,$0B
.byte $08,$08,$09,$09,$0A,$0A,$0B,$0B
.byte $08,$08,$09,$09,$0A,$0A,$0B,$0B
.align 256
; This appears to be roughly 47+32*sin(x)+16*sin(2x)
sin1: ; 256
.byte $2E,$30,$32,$34,$35,$36,$38,$3A,$3C,$3C,$3E,$40,$41,$42,$44,$45,$47,$47,$49,$4A,$4B,$4C,$4D,$4E,$4F,$50,$51,$52,$53,$53,$54,$54
.byte $55,$55,$56,$57,$57,$58,$58,$57,$58,$58,$58,$58,$58,$58,$58,$58,$58,$57,$57,$57,$56,$56,$55,$54,$55,$54,$53,$52,$52,$51,$50,$4F
.byte $4E,$4E,$4D,$4C,$4B,$4B,$4A,$49,$48,$47,$46,$45,$45,$44,$42,$42,$41,$41,$3F,$3F,$3D,$3D,$3C,$3B,$3B,$39,$39,$39,$38,$38,$37,$36
.byte $36,$35,$35,$34,$34,$33,$32,$32,$32,$31,$31,$31,$30,$31,$30,$30,$30,$30,$2F,$2F,$30,$2F,$2F,$2F,$2F,$2F,$2F,$2F,$2E,$2F,$2F,$2F
.byte $2E,$2F,$2F,$2F,$2F,$2E,$2F,$2F,$2F,$2E,$2F,$2F,$2E,$2E,$2F,$2E,$2E,$2D,$2E,$2D,$2D,$2D,$2C,$2C,$2C,$2B,$2B,$2B,$2A,$2A,$29,$28
.byte $28,$27,$27,$26,$26,$25,$25,$23,$23,$22,$21,$21,$20,$1F,$1F,$1D,$1D,$1C,$1B,$1A,$19,$19,$17,$16,$16,$15,$14,$13,$13,$12,$11,$10
.byte $0F,$0F,$0E,$0D,$0C,$0C,$0B,$0A,$09,$09,$08,$08,$08,$07,$06,$07,$06,$06,$06,$06,$05,$06,$05,$05,$06,$05,$06,$06,$07,$07,$08,$08
.byte $09,$09,$0A,$0B,$0B,$0C,$0C,$0D,$0F,$0F,$10,$12,$12,$14,$15,$16,$17,$19,$1A,$1B,$1D,$1E,$20,$21,$22,$24,$26,$27,$28,$2A,$2C,$2E
; This appears to be roughly 47+32*sin(4x)+16*sin(3x)
sin2: ; 256
.byte $2E,$33,$38,$3C,$40,$43,$47,$4B,$4E,$51,$54,$56,$59,$5A,$5C,$5D,$5D,$5E,$5E,$5D,$5C,$5A,$59,$57,$55,$53,$4F,$4C,$49,$46,$42,$3E
.byte $3A,$36,$32,$2E,$2A,$26,$23,$1F,$1C,$18,$15,$12,$10,$0E,$0C,$0A,$09,$08,$07,$07,$07,$07,$09,$0A,$0B,$0D,$0F,$11,$13,$16,$19,$1C
.byte $1F,$22,$26,$29,$2C,$2F,$32,$36,$38,$3B,$3E,$3F,$42,$44,$46,$47,$48,$49,$4B,$4B,$4B,$4A,$4A,$49,$49,$48,$46,$44,$43,$41,$3F,$3C
.byte $3A,$38,$35,$33,$30,$2E,$2C,$2A,$28,$26,$24,$22,$21,$20,$1F,$1F,$1E,$1E,$1D,$1D,$1E,$1E,$1F,$20,$21,$22,$24,$25,$27,$29,$2B,$2D
.byte $2E,$30,$33,$35,$37,$38,$3A,$3C,$3D,$3E,$3F,$3F,$40,$40,$41,$40,$40,$3F,$3F,$3E,$3D,$3B,$3A,$38,$36,$34,$31,$2F,$2D,$2B,$29,$25
.byte $23,$21,$1F,$1D,$1B,$19,$18,$16,$15,$14,$14,$13,$13,$13,$13,$14,$16,$17,$18,$1A,$1C,$1D,$20,$23,$26,$28,$2C,$2E,$32,$35,$38,$3B
.byte $3E,$41,$45,$48,$4B,$4C,$4F,$51,$53,$54,$55,$55,$57,$57,$57,$56,$55,$53,$52,$50,$4E,$4B,$49,$45,$42,$3F,$3B,$37,$34,$30,$2C,$27
.byte $23,$1F,$1C,$18,$14,$11,$0E,$0B,$09,$07,$05,$03,$02,$01,$00,$00,$01,$01,$02,$03,$05,$07,$0A,$0D,$10,$13,$17,$1A,$1E,$22,$26,$2A
; This appears to be roughly 38+24*sin(3x)+16*sin(8x)
sin3: ; 256
.byte $26,$2C,$31,$35,$39,$3D,$40,$42,$44,$45,$45,$46,$45,$43,$42,$40,$3C,$3A,$38,$36,$33,$31,$30,$2F,$2F,$2E,$2F,$2F,$30,$33,$33,$36
.byte $37,$3A,$3C,$3C,$3E,$3E,$3D,$3D,$3B,$39,$36,$34,$30,$2B,$28,$23,$1D,$19,$14,$11,$0C,$09,$07,$04,$03,$03,$03,$03,$04,$07,$09,$0C
.byte $0F,$13,$16,$18,$1B,$1E,$20,$22,$22,$23,$24,$24,$23,$22,$21,$20,$1D,$1C,$1B,$1A,$19,$19,$19,$1A,$1C,$1E,$20,$23,$27,$2B,$2F,$33
.byte $37,$3D,$40,$44,$47,$4A,$4C,$4D,$4E,$4E,$4D,$4C,$4A,$47,$45,$41,$3C,$39,$35,$32,$2E,$2B,$28,$26,$25,$23,$23,$22,$22,$24,$24,$25
.byte $26,$29,$2A,$2A,$2B,$2C,$2B,$2B,$29,$28,$25,$23,$20,$1C,$19,$15,$10,$0D,$09,$07,$04,$02,$01,$00,$00,$00,$02,$03,$06,$0A,$0D,$11
.byte $15,$1B,$1F,$23,$27,$2B,$2D,$30,$32,$33,$34,$35,$35,$33,$33,$32,$30,$2E,$2D,$2C,$2B,$2A,$2A,$2A,$2B,$2C,$2E,$30,$32,$36,$38,$3B
.byte $3E,$42,$45,$47,$49,$4B,$4B,$4B,$4A,$49,$47,$45,$42,$3D,$3A,$35,$30,$2B,$26,$22,$1E,$1A,$17,$14,$13,$11,$10,$10,$10,$12,$12,$14
.byte $15,$18,$1A,$1B,$1D,$1E,$1F,$1F,$1F,$1F,$1E,$1D,$1B,$18,$16,$14,$10,$0E,$0C,$0B,$09,$08,$08,$09,$0A,$0C,$0E,$11,$14,$19,$1D,$22
; Lookup table for colors
; Note the sine tables point roughly to the middle and go to the edges
lores_colors_rgb: ; 256
; black
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
; red gradient
; $00, $11, $33, $BB, $FF, $BB, $33, $11
.byte $11,$11,$11,$11,$11,$11,$11,$11
.byte $11,$11,$33,$33,$33,$33,$33,$33
.byte $33,$33,$33,$33,$bb,$bb,$bb,$bb
.byte $bb,$bb,$bb,$bb,$bb,$bb,$ff,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff
.byte $bb,$bb,$bb,$bb,$bb,$bb,$bb,$bb
.byte $bb,$bb,$33,$33,$33,$33,$33,$33
.byte $33,$33,$33,$33,$11,$11,$11,$11
; red
.if 0
.byte $11,$11,$11,$11,$11,$33,$33,$33
.byte $33,$33,$bb,$bb,$bb,$bb,$bb,$ff
.byte $ff,$ff,$ff,$ff,$ff,$bb,$bb,$bb
.byte $bb,$bb,$33,$33,$33,$33,$33,$11
.byte $11,$11,$11,$11,$33,$33,$33,$33
.byte $bb,$bb,$bb,$bb,$bb,$ff,$ff,$ff
.byte $ff,$ff,$ff,$bb,$bb,$bb,$bb,$bb
.byte $33,$33,$33,$33,$33,$33,$11,$11
.endif
; $00, $22, $66, $77, $FF, $77, $66, $22
; 22 66 77 ff 77 66
; blue
.byte $22,$22,$22,$22,$22,$22,$22,$22
.byte $22,$22,$22,$66,$66,$66,$66,$66
.byte $66,$66,$66,$66,$66,$66,$77,$77
.byte $77,$77,$77,$77,$77,$77,$77,$77
.byte $77,$ff,$ff,$ff,$ff,$ff,$ff,$ff
.byte $ff,$ff,$ff,$ff,$77,$77,$77,$77
.byte $77,$77,$77,$77,$77,$77,$77,$66
.byte $66,$66,$66,$66,$66,$66,$66,$66
.if 0
.byte $22,$22,$22,$22,$22,$66,$66,$66
.byte $66,$66,$77,$77,$77,$77,$77,$ff
.byte $ff,$ff,$ff,$ff,$ff,$77,$77,$77
.byte $77,$77,$66,$66,$66,$66,$66,$22
.byte $22,$22,$22,$22,$66,$66,$66,$66
.byte $77,$77,$77,$77,$77,$ff,$ff,$ff
.byte $ff,$ff,$ff,$77,$77,$77,$77,$77
.byte $66,$66,$66,$66,$66,$66,$22,$22
.endif
; $00, $44, $CC, $DD, $FF, $DD, $CC, $44
; green
.byte $44,$44,$44,$44,$44,$cc,$cc,$cc
.byte $cc,$cc,$dd,$dd,$dd,$dd,$dd,$ff
.byte $ff,$ff,$ff,$ff,$ff,$dd,$dd,$dd
.byte $dd,$dd,$cc,$cc,$cc,$cc,$cc,$44
.byte $44,$44,$44,$44,$cc,$cc,$cc,$cc
.byte $dd,$dd,$dd,$dd,$dd,$ff,$ff,$ff
.byte $ff,$ff,$ff,$dd,$dd,$dd,$dd,$dd
.byte $cc,$cc,$cc,$cc,$cc,$cc,$44,$44
.if 0
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $44,$44,$44,$44,$44,$44,$44,$44
.byte $CC,$CC,$CC,$CC,$CC,$CC,$CC,$CC
.byte $DD,$DD,$DD,$DD,$DD,$DD,$DD,$DD
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff
.byte $DD,$DD,$DD,$DD,$DD,$DD,$DD,$DD
.byte $CC,$CC,$CC,$CC,$CC,$CC,$CC,$CC
.byte $44,$44,$44,$44,$44,$44,$44,$44
.endif
; This table has relatively fine color bands
.if 0
lores_colors_fine: ; 256
.byte $00,$00,$00,$00,$88,$88,$88,$88
.byte $55,$55,$55,$55,$99,$99,$99,$99
.byte $ff,$ff,$ff,$ff,$bb,$bb,$bb,$bb
.byte $33,$33,$33,$33,$22,$22,$22,$22
.byte $66,$66,$66,$66,$77,$77,$77,$77
.byte $44,$44,$44,$44,$cc,$cc,$cc,$cc
.byte $ee,$ee,$ee,$ee,$dd,$dd,$dd,$dd
.byte $99,$99,$99,$99,$11,$11,$11,$11
.byte $00,$00,$00,$00,$88,$88,$88,$88
.byte $55,$55,$55,$55,$99,$99,$99,$99
.byte $ff,$ff,$ff,$ff,$bb,$bb,$bb,$bb
.byte $33,$33,$33,$33,$22,$22,$22,$22
.byte $66,$66,$66,$66,$77,$77,$77,$77
.byte $44,$44,$44,$44,$cc,$cc,$cc,$cc
.byte $ee,$ee,$ee,$ee,$dd,$dd,$dd,$dd
.byte $99,$99,$99,$99,$11,$11,$11,$11
.byte $00,$00,$00,$00,$88,$88,$88,$88
.byte $55,$55,$55,$55,$99,$99,$99,$99
.byte $ff,$ff,$ff,$ff,$bb,$bb,$bb,$bb
.byte $33,$33,$33,$33,$22,$22,$22,$22
.byte $66,$66,$66,$66,$77,$77,$77,$77
.byte $44,$44,$44,$44,$cc,$cc,$cc,$cc
.byte $ee,$ee,$ee,$ee,$dd,$dd,$dd,$dd
.byte $99,$99,$99,$99,$11,$11,$11,$11
.byte $00,$00,$00,$00,$88,$88,$88,$88
.byte $55,$55,$55,$55,$99,$99,$99,$99
.byte $ff,$ff,$ff,$ff,$bb,$bb,$bb,$bb
.byte $33,$33,$33,$33,$22,$22,$22,$22
.byte $66,$66,$66,$66,$77,$77,$77,$77
.byte $44,$44,$44,$44,$cc,$cc,$cc,$cc
.byte $ee,$ee,$ee,$ee,$dd,$dd,$dd,$dd
.byte $99,$99,$99,$99,$11,$11,$11,$11
.else
; This table has relatively wide color bands
lores_colors_wide: ; 256
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $88,$88,$88,$88,$88,$88,$88,$88
.byte $88,$88,$88,$88,$88,$88,$88,$88
.byte $55,$55,$55,$55,$55,$55,$55,$55
.byte $55,$55,$55,$55,$55,$55,$55,$55
.byte $22,$22,$22,$22,$22,$22,$22,$22
.byte $22,$22,$22,$22,$22,$22,$22,$22
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff
.byte $bb,$bb,$bb,$bb,$bb,$bb,$bb,$bb
.byte $bb,$bb,$bb,$bb,$bb,$bb,$bb,$bb
.byte $33,$33,$33,$33,$33,$33,$33,$33
.byte $33,$33,$33,$33,$33,$33,$33,$33
.byte $22,$22,$22,$22,$22,$22,$22,$22
.byte $22,$22,$22,$22,$22,$22,$22,$22
.byte $66,$66,$66,$66,$66,$66,$66,$66
.byte $66,$66,$66,$66,$66,$66,$66,$66
.byte $77,$77,$77,$77,$77,$77,$77,$77
.byte $77,$77,$77,$77,$77,$77,$77,$77
.byte $44,$44,$44,$44,$44,$44,$44,$44
.byte $44,$44,$44,$44,$44,$44,$44,$44
.byte $cc,$cc,$cc,$cc,$cc,$cc,$cc,$cc
.byte $cc,$cc,$cc,$cc,$cc,$cc,$cc,$cc
.byte $ee,$ee,$ee,$ee,$ee,$ee,$ee,$ee
.byte $ee,$ee,$ee,$ee,$ee,$ee,$ee,$ee
.byte $dd,$dd,$dd,$dd,$dd,$dd,$dd,$dd
.byte $dd,$dd,$dd,$dd,$dd,$dd,$dd,$dd
.byte $99,$99,$99,$99,$99,$99,$99,$99
.byte $99,$99,$99,$99,$99,$99,$99,$99
.byte $11,$11,$11,$11,$11,$11,$11,$11
.byte $11,$11,$11,$11,$11,$11,$11,$11
.endif
Table1 = $5000
Table2 = $5000+64
remap_table:
.byte $00,$40,$80,$00,$C0
mask_src_table:
.byte $60-8,$64-8,$68-8,$6C-8,$70-8,$74-8,$78-8,$7C-8
.byte $7C-8,$78-8,$74-8,$70-8,$6C-8,$68-8,$64-8,$60-8
.include "../wait_keypress.s"
;.include "../zx02_optim.s"
.include "../irq_wait.s"
mask1_data:
.incbin "graphics/cube2_mask1.gr.zx02"
mask2_data:
.incbin "graphics/cube2_mask2.gr.zx02"
mask3_data:
.incbin "graphics/cube2_mask3.gr.zx02"
mask4_data:
.incbin "graphics/cube2_mask4.gr.zx02"
mask5_data:
.incbin "graphics/cube2_mask5.gr.zx02"
mask6_data:
.incbin "graphics/cube2_mask6.gr.zx02"
mask7_data:
.incbin "graphics/cube2_mask7.gr.zx02"
mask8_data:
.incbin "graphics/cube2_mask8.gr.zx02"
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