2009-04-05 18:47:38 +02:00

706 lines
18 KiB
ArmAsm
Raw Blame History

.EMPTYFILL 0
.LOROM
.MEMORYMAP
SLOTSIZE $8000
DEFAULTSLOT 0
SLOT 0 $0000 ; ram , direct page
SLOT 1 $2000 ; PPU1, APU
SLOT 2 $3000 ; SFX, DSP
SLOT 3 $4000 ; Controller
SLOT 4 $4200 ; PPU2, DMA
SLOT 5 $6000 ; RESERVED
SLOT 6 $8000 ; code segment
.ENDME
;.ROMBANKSIZE $8000
;.ROMBANKS $80
.ROMBANKMAP
BANKSTOTAL $80
BANKSIZE $8000
BANKS $80
.ENDRO
.NAME "optixx"
.BANK $00 SLOT 6
.ORG $0000
.ORGA $8000
.SECTION "MAIN"
.define dp $0000
.define xstorage1 $0001
.define xstorage2 $0002
.define sineoffset $0003
.define scrollval $0005
.define col_reg $0007
.define hdma_table0 $0010
.define plane_0 $0400
.define plane_1 $0800
.define tile $2000
init:
sei ;stop interrupts
phk ;get the current bank and store on stack
plb ;get value off stack and make it the current
;programming bank
clc ;clear carry bit
xce ;native 16 bit mode (no 6502 emulation!)
jsr init_hdma_table0
;==========================================================================
; start of snes register initialization
;==========================================================================
sep #$30 ; x,y,a are 8 bit numbers
lda #$8f ; screen off, full brightness
sta $2100 ; brightness + screen enable register
lda #$00 ;
sta $2101 ; sprite register (size + address in vram)
lda #$00
sta $2102 ; sprite registers (address of sprite memory [oam])
sta $2103 ; "" ""
lda #$00 ; mode 0
sta $2105 ; graphic mode register
lda #$00 ; no planes, no mosaic
sta $2106 ; mosaic register
lda #$00 ;
sta $2107 ; plane 0 map vram location
lda #$00
sta $2108 ; plane 1 map vram location
lda #$00
sta $2109 ; plane 2 map vram location
lda #$00
sta $210a ; plane 3 map vram location
lda #$00
sta $210b ; plane 0+1 tile data location
lda #$00
sta $210c ; plane 2+3 tile data location
lda #$00
sta $210d ; plane 0 scroll x (first 8 bits)
sta $210d ; plane 0 scroll x (last 3 bits) #$0 - #$07ff
sta $210e ; plane 0 scroll y (first 8 bits)
sta $210e ; plane 0 scroll y (last 3 bits) #$0 - #$07ff
sta $210f ; plane 1 scroll x (first 8 bits)
sta $210f ; plane 1 scroll x (last 3 bits) #$0 - #$07ff
sta $2110 ; plane 1 scroll y (first 8 bits)
sta $2110 ; plane 1 scroll y (last 3 bits) #$0 - #$07ff
sta $2111 ; plane 2 scroll x (first 8 bits)
sta $2111 ; plane 2 scroll x (last 3 bits) #$0 - #$07ff
sta $2112 ; plane 2 scroll y (first 8 bits)
sta $2112 ; plane 2 scroll y (last 3 bits) #$0 - #$07ff
sta $2113 ; plane 3 scroll x (first 8 bits)
sta $2113 ; plane 3 scroll x (last 3 bits) #$0 - #$07ff
sta $2114 ; plane 3 scroll y (first 8 bits)
sta $2114 ; plane 3 scroll y (last 3 bits) #$0 - #$07ff
lda #$80 ; increase vram address after writing to $2119
sta $2115 ; vram address increment register
lda #$00
sta $2116 ; vram address low
sta $2117 ; vram address high
sta $211a ; initial mode 7 setting register
sta $211b ; mode 7 matrix parameter a register (low)
lda #$01
sta $211b ; mode 7 matrix parameter a register (high)
lda #$00
sta $211c ; mode 7 matrix parameter b register (low)
sta $211c ; mode 7 matrix parameter b register (high)
sta $211d ; mode 7 matrix parameter c register (low)
sta $211d ; mode 7 matrix parameter c register (high)
sta $211e ; mode 7 matrix parameter d register (low)
lda #$01
sta $211e ; mode 7 matrix parameter d register (high)
lda #$00
sta $211f ; mode 7 center position x register (low)
sta $211f ; mode 7 center position x register (high)
sta $2120 ; mode 7 center position y register (low)
sta $2120 ; mode 7 center position y register (high)
sta $2121 ; color number register ($0-ff)
sta $2123 ; bg1 & bg2 window mask setting register
sta $2124 ; bg3 & bg4 window mask setting register
sta $2125 ; obj & color window mask setting register
sta $2126 ; window 1 left position register
sta $2127 ; window 2 left position register
sta $2128 ; window 3 left position register
sta $2129 ; window 4 left position register
sta $212a ; bg1, bg2, bg3, bg4 window logic register
sta $212b ; obj, color window logic register (or,and,xor,xnor)
lda #$01
sta $212c ; main screen designation (planes, sprites enable)
lda #$00
sta $212d ; sub screen designation
lda #$00
sta $212e ; window mask for main screen
sta $212f ; window mask for sub screen
lda #$30
sta $2130 ; color addition & screen addition init setting
lda #$00
sta $2131 ; add/sub sub designation for screen, sprite, color
lda #$e0
sta $2132 ; color data for addition/subtraction
lda #$00
sta $2133 ; screen setting (interlace x,y/enable sfx<66>data)
lda #$00
sta $4200 ; enable v-blank, interrupt, joypad register
lda #$ff
sta $4201 ; programmable i/o port
lda #$00
sta $4202 ; multiplicand a
sta $4203 ; multiplier b
sta $4204 ; multiplier c
sta $4205 ; multiplicand c
sta $4206 ; divisor b
sta $4207 ; horizontal count timer
sta $4208 ; horizontal count timer msb (most significant bit)
sta $4209 ; vertical count timer
sta $420a ; vertical count timer msb
sta $420b ; general dma enable (bits 0-7)
sta $420c ; horizontal dma (hdma) enable (bits 0-7)
sta $420d ; access cycle designation (slow/fast rom)
;===========================================================================
; end of init routine
;===========================================================================
rep #$30 ; x,y,a fixed -> 16 bit mode
sep #$20 ; accumulator -> 8 bit mode
lda #(dp+0) ;load direct page
tcd ;store & and assign
lda #(plane_0>>8) ; screen map data @ vram location $1000
sta $2107 ; plane 0 map location register
lda #(plane_1>>8) ; screen map data @ vram location $1000
sta $2108 ; plane 1 map location register
lda #$22 ; plane 0 and plane 1 tile graphics @ $2000
sta $210b ; plane 0 tile graphics register
lda #$00 ; mode 0 value / tile mode
sta $2105 ; graphics mode register
lda #%00000011 ;
sta $212c ; plane enable register
lda #$00
sta $2121 ; set color number to 0 (background)
lda #$46 ; blue color, lower 8 bits
sta $2122 ; enter color value #$46 to color num. (low)
lda #$69 ; blue color, higher 8 bits
sta $2122 ; enter color value #$69 to color num. (high)
lda #$ff ; white color, lower 8 bits
sta $2122 ; write to next color number (01)
sta $2122 ; enter same value to color number (01)
ldx #$00
col_loop:
txa
sta $2121
lda #$00
sta $2122
lda #$7f
sta $2122
txa
ina
tax
cmp #$ff
beq col_loop
lda #$01
sta $4200 ; enable joypad read (bit one)
;==========================================================================
; start transfer of graphics to vram
;==========================================================================
ldx #(tile+0) ; assign vram location
stx $2116 ; writing to $2118/9 will store data here!
ldx #$0000
copychar:
lda.w charset,x ; get character set data<74>(font data)
sta $2118 ; store bitplane 1
stz $2119 ; clear bitplane 2 and increase vram address
inx
cpx #$0200 ; transfer $0200 bytes
bne copychar
init_plane_0:
ldx #(plane_0+0) ; assign vram location $1000 to $2116/7
stx $2116
ldx #$0000
init_plane_0_loop:
lda.w text_0,x ; get ascii text data
and #$3f ; we only want the first 64 characters
; convert ascii to c64 screen code
sta $2118
stz $2119 ; clear unwanted bits, no h/v flipping
inx
cpx #$0400 ; transfer entire screen
; $20*$20=$0400 (1024 bytes)
bne init_plane_0_loop
init_plane_1:
ldx #(plane_1+0) ; assign vram location $1000 to $2116/7
stx $2116
ldx #$0000
init_plane_1_loop:
lda.w text_1,x ; get ascii text data
and #$3f ; we only want the first 64 characters
; convert ascii to c64 screen code
sta $2118
stz $2119 ; clear unwanted bits, no h/v flipping
inx
cpx #$0400 ; transfer entire screen
; $20*$20=$0400 (1024 bytes)
bne init_plane_1_loop
init_screen:
lda #$0f ; screen enabled, full brightness
sta $2100 ;
cli ; clear interrupt bit
init_scroll:
lda #$00
sta.w scrollval
init_col_reg:
lda #$00
sta.w col_reg
init_sineoffset:
lda #$00
sta.w sineoffset
call_hmda_setup:
jsr init_hdma_table0
jmp intro
main:
jsr wait_vbl
jsr sine_plane
jsr scroll_plane
jsr cycle_color
jsr joypad
jmp main
; test vertical interrupt
wait_vbl:
lda $4210 ; check for vertical blank
and #$80
beq wait_vbl
rts
; joypad poll
joypad:
lda $4212 ; is joypad ready to be read?
and #$0001
bne joypad ; no? go back until it is!
lda $4219 ; read joypad high byte
and #$10 ; leave only "start" bit
bne reset ; "start" pressed? go to reset
rts ; if not then jump back to loop
reset:
sep #$30
lda #$00
pha ; push #$00 to stack
plb ; pull #$00 from stack and make it the
; the programming bank
jmp init ; jump long to $008000
; gfx routine
; intro stuff
intro:
rep #$30
sep #$20
ldx #$f1
mosaic_l:
jsr wait_vbl
txa
sta $2106
sbc #$10
tax
cmp #$01
bne mosaic_l
stz $2106
fade:
ldy #$0f
fade_dark:
jsr wait_vbl
tya
sta $2100
dey
cpy #$0000
bne fade_dark
ldy #$0000
fade_light:
jsr wait_vbl
tya
sta $2100
iny
cpy #$000f
bne fade_light
jmp main
; scroll loop
scroll_plane:
lda.w scrollval
sta $210e
stz $210e
adc #$01
sta.w scrollval
cmp #$ff
beq restore_scroll
rts
restore_scroll:
lda #$00
sta.w scrollval
rts
; cycle loop
cycle_color:
ldx #$0000
lda.w col_reg,x
adc #$01
stz $2121
sta $2122
stz $2122
sta col_reg
cmp #$7f
bne cycle_c
lda #$0000
sta col_reg
cycle_c:
rts
sine_plane:
rep #$10
sep #$20
lda sineoffset
ina
sta sineoffset
cmp #$ff
bne sine_plane_c
lda #$00
sta sineoffset
sine_plane_c:
tay
ldx #$0000
sine_plane_l:
iny
cpy #$ff
bne sine_plane_l_c
lda #$00
tay
sine_plane_l_c:
inx
lda.w vsine,y
sta hdma_table0+3,x
inx
inx
cpx #$0180
bne sine_plane_l
rep #$30
sep #$20
rts
; init hdma list
init_hdma_table0:
rep #$10
sep #$20
ldy #$0000
ldx #$0000
;lda #$00
;sta sineoffset
lda #$30
sta hdma_table0,x
inx
lda #$00
sta hdma_table0,x
inx
sta hdma_table0,x
inx
init_hdma_table0_loop:
lda #$01
sta hdma_table0,x
inx
lda vsine,y
sta hdma_table0,x
inx
lda #$00
sta hdma_table0,x
inx
iny
cpx #$0183 ; (128 + 1) * 3 = 387 = 0x0183
bne init_hdma_table0_loop
lda #$20
sta hdma_table0,x
inx
lda #$00
sta hdma_table0,x
inx
sta hdma_table0,x
inx
sta hdma_table0,x
inx
sta hdma_table0,x
lda #$02
sta $4300
lda #$0f
sta $4301
ldx.w #hdma_table0
;ldx.w #test_hmda_table
stx $4302
lda #$00
sta $4304
lda #%00000001
sta $420c
rep #$30
sep #$20
rts
charset:
.db $55,$aa,$55,$aa,$55,$aa,$55,$aa ;'@'
.db $00,$3c,$66,$7e,$66,$66,$66,$00 ;'a'
.db $00,$7c,$66,$7c,$66,$66,$7c,$00 ;'b'
.db $00,$3c,$66,$60,$60,$66,$3c,$00 ;'c'
.db $00,$78,$6c,$66,$66,$6c,$78,$00 ;'d'
.db $00,$7e,$60,$78,$60,$60,$7e,$00 ;'e'
.db $00,$7e,$60,$78,$60,$60,$60,$00 ;'f'
.db $00,$3c,$66,$60,$6e,$66,$3c,$00 ;'g'
.db $00,$66,$66,$7e,$66,$66,$66,$00 ;'h'
.db $00,$3c,$18,$18,$18,$18,$3c,$00 ;'i'
.db $00,$1e,$0c,$0c,$0c,$6c,$38,$00 ;'j'
.db $00,$6c,$78,$70,$78,$6c,$66,$00 ;'k'
.db $00,$60,$60,$60,$60,$60,$7e,$00 ;'l'
.db $00,$63,$77,$7f,$6b,$63,$63,$00 ;'m'
.db $00,$66,$76,$7e,$7e,$6e,$66,$00 ;'n'
.db $00,$3c,$66,$66,$66,$66,$3c,$00 ;'o'
.db $00,$7c,$66,$66,$7c,$60,$60,$00 ;'p'
.db $00,$3c,$66,$66,$66,$3c,$0e,$00 ;'q'
.db $00,$7c,$66,$66,$7c,$6c,$66,$00 ;'r'
.db $00,$3e,$60,$3c,$06,$66,$3c,$00 ;'s'
.db $00,$7e,$18,$18,$18,$18,$18,$00 ;'t'
.db $00,$66,$66,$66,$66,$66,$3c,$00 ;'u'
.db $00,$66,$66,$66,$66,$3c,$18,$00 ;'v'
.db $00,$63,$63,$6b,$7f,$77,$63,$00 ;'w'
.db $00,$66,$3c,$18,$3c,$66,$66,$00 ;'x'
.db $00,$66,$66,$3c,$18,$18,$18,$00 ;'y'
.db $00,$7e,$0c,$18,$30,$60,$7e,$00 ;'z'
.db $00,$3c,$30,$30,$30,$30,$3c,$00 ;'['
.db $c0,$60,$30,$18,$0c,$06,$03,$00 ;'|'
.db $00,$3c,$0c,$0c,$0c,$0c,$3c,$00 ;']'
.db $10,$38,$6c,$c6,$00,$00,$00,$00 ;'^'
.db $00,$00,$00,$00,$00,$00,$00,$fe ;'_'
.db $00,$00,$00,$00,$00,$00,$00,$00 ;' '
.db $00,$18,$18,$18,$00,$00,$18,$00 ;'!'
.db $00,$66,$66,$00,$00,$00,$00,$00 ;'"'
.db $00,$66,$ff,$66,$ff,$66,$00,$00 ;'#'
.db $00,$08,$1c,$28,$28,$1c,$08,$00 ;'$'
.db $00,$64,$6c,$18,$30,$6c,$4c,$00 ;'%'
.db $00,$00,$18,$18,$7e,$18,$18,$00 ;'&'
.db $00,$0c,$18,$00,$00,$00,$00,$00 ;'''
.db $00,$18,$30,$30,$30,$18,$0c,$00 ;'('
.db $00,$18,$0c,$0c,$0c,$18,$30,$00 ;')'
.db $00,$66,$3c,$ff,$3c,$66,$00,$00 ;'*'
.db $00,$18,$18,$7e,$18,$18,$00,$00 ;'+'
.db $00,$00,$00,$00,$00,$18,$18,$30 ;','
.db $00,$00,$00,$fe,$00,$00,$00,$00 ;'-'
.db $00,$00,$00,$00,$00,$18,$18,$00 ;'.'
.db $03,$06,$0c,$18,$30,$60,$c0,$00 ;'/'
.db $00,$3c,$66,$6e,$76,$66,$3c,$00 ;'0'
.db $00,$18,$38,$18,$18,$18,$7e,$00 ;'1'
.db $00,$7c,$06,$0c,$30,$60,$7e,$00 ;'2'
.db $00,$7e,$06,$1c,$06,$66,$3c,$00 ;'3'
.db $00,$0e,$1e,$36,$7f,$06,$06,$00 ;'4'
.db $00,$7e,$60,$7c,$06,$66,$3c,$00 ;'5'
.db $00,$3e,$60,$7c,$66,$66,$3c,$00 ;'6'
.db $00,$7e,$06,$0c,$0c,$0c,$0c,$00 ;'7'
.db $00,$3c,$66,$3c,$66,$66,$3c,$00 ;'8'
.db $00,$3c,$66,$3e,$06,$66,$3c,$00 ;'9'
.db $00,$00,$18,$00,$00,$18,$00,$00 ;':'
.db $00,$00,$18,$00,$00,$18,$18,$30 ;';'
.db $18,$18,$18,$18,$18,$18,$18,$00 ;'<'
.db $00,$00,$7e,$00,$7e,$00,$00,$00 ;'='
.db $18,$18,$0c,$0c,$0c,$0c,$18,$18 ;'>'
.db $00,$7c,$06,$0c,$18,$00,$18,$00 ;'?'
; 12345678901234567890123456789012
text_0:
.db "| _ _ |"
.db "| ___ _ __ | |_(_)_ ____ __|"
.db "| / _ \| '_ \| __| \ \/ /\ \/ /|"
.db "|| (_) | |_) | |_| |> < > < |"
.db "| \___/| .__/ \__|_/_/\_\/_/\_\|"
.db "| |_| |"
.db "| |"
.db "| |"
.db "| |"
.db "| OPTIXX ONCE A AGAIN |"
.db "| WITH A CLASSIS CONSOL |"
.db "| PIECE OF CODE... |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
.db "| |"
text_1:
.REPT 20
.db "| _ _ |"
.db "| ___ _ __ | |_(_)_ ____ __|"
.db "| / _ \| '_ \| __| \ \/ /\ \/ /|"
.db "|| (_) | |_) | |_| |> < > < |"
.db "| \___/| .__/ \__|_/_/\_\/_/\_\|"
.db "| |_| |"
.db "| |"
.ENDR
vsine:
.db 108,109,111,112,113,114,115,115,116,117,118,119,120,120,121
.db 122,122,123,123,124,124,125,125,125,126,126,126,127,127,127
.db 127,127,127,127,127,127,127,127,126,126,126,125,125,125,124
.db 124,123,123,122,122,121,120,120,119,118,117,116,115,115,114
.db 113,112,111,109,108,107,106,105,104,103,101,100,99,97,96,95
.db 93,92,91,89,88,86,85,83,82,80,79,77,76,74,73,71,70,68,67,65
.db 64,62,60,59,57,56,54,53,51,50,48,47,45,44,42,41,39,38,36,35
.db 34,32,31,30,28,27,26,24,23,22,21,20,19,18,16,15,14,13,12,12
.db 11,10,9,8,7,7,6,5,5,4,4,3,3,2,2,2,1,1,1,0,0,0,0,0,0,0,0,0,0
.db 0,1,1,1,2,2,2,3,3,4,4,5,5,6,7,7,8,9,10,11,12,12,13,14,15,16
.db 18,19,20,21,22,23,24,26,27,28,30,31,32,34,35,36,38,39,41,42
.db 44,45,47,48,50,51,53,54,56,57,59,60,62,64,65,67,68,70,71,73
.db 74,76,77,79,80,82,83,85,86,88,89,91,92,93,95,96,97,99,100,101
.db 103,104,105,106,107
vsine_end:
.ENDS
.BANK $04 SLOT 6
.ORGA $8000
long_label:
nop
nop
rts
.BANK $01 SLOT 6
.ORGA $8000
.BASE $01
.INCLUDE "music.s"
.BANK $02 SLOT 6
.ORG $0000
music_data_1:
.INCBIN "music1.bin"
.BANk $03 SLOT 6
.ORG $0000
music_data_2:
.INCBIN "music2.bin"