mirror of
https://github.com/digarok/festro.git
synced 2025-04-09 02:37:08 +00:00
start of sound code
This commit is contained in:
Dagen Brock
parent
147854095e
commit
e09226657b
15
applerom.s
Normal file
15
applerom.s
Normal file
@ -0,0 +1,15 @@
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**************************************************
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* Apple Standard Memory Locations
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* @todo: finalize as include?
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**************************************************
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CLRLORES equ $F832
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LORES equ $C050
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TXTSET equ $C051
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MIXCLR equ $C052
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MIXSET equ $C053
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KEY equ $C000
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STROBE equ $C010
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SPEAKER equ $C030
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VBL equ $C02E
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RDVBLBAR equ $C019 ;not VBL (VBL signal low)
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395
festro.s
395
festro.s
@ -26,6 +26,14 @@ srcPtrL equz $02
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srcPtrR equz $04
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srcPtrD equz $06
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**************************************************
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* Demo Machine initialization
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**************************************************
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jsr DetectIIgs
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jsr InitState
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**************************************************
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* Main Demo Controller
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@ -40,6 +48,7 @@ DemoMain
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bra :mainLoop
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DemoSubroutineTable
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* dw HandleKfestLogo
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dw HandleProdrop
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dw HandleScan01
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@ -52,9 +61,9 @@ DemoSubroutineTable
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dw HandleScan03
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dw HandleLoResInit
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dw HandleFireRatio20
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dw SetFireRatio20
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dw HandleFireState1
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dw HandleFireRatio90
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dw SetFireRatio90
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dw HandleFireState1
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dw HandleFireStateK
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dw HandleFireState1
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@ -69,10 +78,10 @@ DemoSubroutineTable
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dw HandleFireState1
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dw HandleFireStateYear
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dw HandleFireState1
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dw HandleFireRatio20
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dw SetFireRatio20
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dw HandleFireState1
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dw HandleFireState1
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dw HandleFireRatio01
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dw SetFireRatio01
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dw HandleFireState1
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dw HandleKfestLogo
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dw HandleMedWait
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@ -95,97 +104,6 @@ DemoSubroutineTable
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dw HandleFinalScreen
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dw P8Quit
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HandleAppleDraw
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:mainLoop
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lda #1
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sta _appleDone
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lda #AppleLogo
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sta srcPtr
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lda #>AppleLogo
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sta srcPtr+1
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lda #_appleOffsetY
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sta _currentY
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:lineStart asl
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tax
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lda LoLineTable,x
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sta dstPtr
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lda LoLineTable+1,x
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sta dstPtr+1
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lda dstPtr ; add offset
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clc
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adc #_appleOffsetX
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sta dstPtr
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bcc :noCarry2
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inc dstPtr+1
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:noCarry2
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; src = buffer
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; dst = screen
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ldy #$00
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:drawLoop lda (srcPtr),y
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* bra :noMagic
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cmp (dstPtr),y
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beq :nextChar
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stz _appleDone
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jsr GetRand
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cmp #$00 ; occasional black pixel @todo
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beq :noMagic
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cmp #$F8 ; had to add in a way to keep it from
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blt :noMagic ; getting stuck so now it occasionally puts
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lda (srcPtr),y ; the right pixel even when it wasn't
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:noMagic sta (dstPtr),y ; found by getrand. (because it's only pseudorandom)
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:nextChar iny
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cpy #AppleLogoWidth
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bne :drawLoop
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:nextLine lda srcPtr
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clc
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adc #AppleLogoWidth
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sta srcPtr
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bcc :noCarry1
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inc srcPtr+1
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:noCarry1
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inc _currentY ; handle screen offset
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lda _currentY
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cmp #AppleLogoHeight+_appleOffsetY
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bne :lineStart
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:donePass lda #$5
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jsr SimplerWait
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lda _appleDone
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beq :mainLoop
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lda #$33
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jsr SimplerWait
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inc GDemoState
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jmp DemoMain
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_currentY db #$00
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_appleDone db #$00
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_appleOffsetX equ 10
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_appleOffsetY equ 8
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* done = true
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* while !done
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* for x = 0 to width
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* for y = 0 to height
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* load buffer x,y
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* cmp screen x,y (plus offsets)
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* if (screen = buffer) continue
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* done = false
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* get rand
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* store at screen x,y
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* waitvbl
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HandleFinalScreen
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@ -570,8 +488,11 @@ _defaultStarSpeed equ #$10
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inc
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cmp #8*4+#_defaultStarSpeed
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bne :slowDown
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lda #$40
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jsr SimplerWait
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jsr SErandStatic
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jsr SErandStatic
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jsr SErandStatic
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jsr SErandStatic
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* speed up again
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@ -766,35 +687,34 @@ ScrollLeft
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HandleLoResInit
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sta LORES
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jsr ClearLoRes
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inc GDemoState
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jmp DemoMain
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jmp DemoNext
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HandleTextClear
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sta TXTSET
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jsr ClearText
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inc GDemoState
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jmp DemoMain
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jmp DemoNext
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HandleFireRatio01
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SetFireRatio01
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lda #$01
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sta GFireRatio
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inc GDemoState
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jmp DemoMain
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HandleFireRatio20
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jmp DemoNext
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SetFireRatio20
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lda #$20
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sta GFireRatio
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inc GDemoState
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jmp DemoMain
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jmp DemoNext
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HandleFireRatio90
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SetFireRatio90
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lda #$90
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sta GFireRatio
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inc GDemoState
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jmp DemoMain
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jmp DemoNext
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HandleFireRatioC0
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SetFireRatioC0
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lda #$C0
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sta GFireRatio
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inc GDemoState
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jmp DemoNext
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DemoNext inc GDemoState
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jmp DemoMain
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HandleFireState1
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@ -861,7 +781,9 @@ FirePass pha
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jsr MakeHeat
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jsr Scroll8
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jsr Average8
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jsr VBlank
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jsr DrawBufFullScreen
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jsr RandPop
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plx
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pla
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rts
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@ -873,8 +795,15 @@ HandleFireStateYear
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jsr FirePass3 ; preserves A,X,Y
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dec
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bne :loop
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inc GDemoState
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jmp DemoMain
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jmp DemoNext
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RandPop jsr GetRandHot
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bne :noPop
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sta SPEAKER
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:noPop rts
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* A = count X=lowbyte Y=hibyte
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FirePass2
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@ -883,6 +812,7 @@ FirePass2
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phy
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jsr MakeHeat
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jsr Scroll8
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jsr RandPop
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ply
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plx
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jsr DrawSpriteMask
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@ -898,6 +828,7 @@ FirePass3
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phy
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jsr MakeHeat
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jsr Scroll8
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jsr RandPop
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ply
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plx
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jsr DrawSpriteMaskBig
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@ -1146,6 +1077,17 @@ DrawStringXYWait
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beq :done
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sta (dstPtr),y
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iny
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pha
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phx
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phy
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lda #6
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ldx #1
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ldy #24
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jsr tone
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ply
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plx
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pla
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lda _drawWait
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jsr SimplerWait
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bra :loop
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@ -1444,6 +1386,7 @@ HandleProdrop
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jmp :prodropUpdate
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:prodropScan
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jsr soundDownReset
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lda #0 ; start scan at line 0 every time
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sta _prodropScanLine
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@ -1517,18 +1460,25 @@ HandleProdrop
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jmp DemoMain
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rts ;; @todo: add rts support to jmp table stuff?
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]prodropAnimDone
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]prodropAnimDone ;; might rework this.. is there any point in returning to
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;; the main demo loop between scans and such?
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lda #0
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sta _prodropState ; uhg..reset state before exit so can be called again
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inc GDemoState ; ugh again... not great.. using globals
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jmp DemoMain
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* This is the animation loop
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:prodropUpdate
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lda #0 ; finished = false
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sta _prodropAnimDone
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stz _prodropAnimDone
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:prodropUpdateLoop
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lda _prodropSound
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bne :noSound
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lda #4
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jsr soundDown ;SErandBlip
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:noSound stz _prodropSound ; if this flag gets set we call our sound routine
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lda #16
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tax
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tay
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@ -1580,6 +1530,7 @@ HandleProdrop
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]dropCharWrite equ *-1 ; we set this differently for GRaphics mode
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sta (dstPtr),y
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* breath... holy crap all that just to draw a space at X,Y
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* now we draw the character one line down
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ldy #2
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lda (srcPtr),y ; get Y value
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inc ; move it down
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@ -1600,6 +1551,8 @@ HandleProdrop
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bra ]nextAnimChar
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]charFinished
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lda #1 ; SET SOUND ANY TIME NEW CHAR DROPS
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sta _prodropSound
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lda #0
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sta (srcPtr)
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bra ]nextAnimChar
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@ -1611,6 +1564,7 @@ HandleProdrop
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sta (srcPtr),y
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]nextAnimChar
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lda srcPtr
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clc
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@ -1643,6 +1597,30 @@ HandleProdrop
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_prodropAnimDone db 1 ; any time we find a character it flips this false
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_prodropScanLine db 0 ; starts scanning at line 0
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_prodropState db 0 ; starts with 0, which is scan mode
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_prodropSound db 0 ; determine if we should call sound engine
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soundDownReset stz _sndFreq
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stz _sndFreq+1
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rts
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_sndFreq dw 0
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_sndInt db 0
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soundDown pha ;interval
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ldy _sndFreq
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ldx _sndFreq+1
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lda #$8
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jsr tone
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pla
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cmp _sndInt
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beq :intMatch
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inc _sndInt
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rts
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:intMatch stz _sndInt
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inc _sndFreq
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bcs :inc
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rts
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:inc inc _sndFreq+1
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rts
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@ -1751,6 +1729,117 @@ _swipeMaxWidth db #0 ; set # characters per line in the source buffer
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_swipeXOffset db #$0 ; screen offset for placement
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_swipeYOffset db #$0 ; screen offset for placement
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HandleAppleDraw
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:mainLoop
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lda #1
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sta _appleDone
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lda #AppleLogo
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sta srcPtr
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lda #>AppleLogo
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sta srcPtr+1
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lda #_appleOffsetY
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sta _currentY
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:lineStart asl
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tax
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lda LoLineTable,x
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sta dstPtr
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lda LoLineTable+1,x
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sta dstPtr+1
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lda dstPtr ; add offset
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clc
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adc #_appleOffsetX
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sta dstPtr
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bcc :noCarry2
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inc dstPtr+1
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:noCarry2
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; src = buffer
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; dst = screen
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ldy #$00
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:drawLoop lda (srcPtr),y
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* bra :noMagic
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cmp (dstPtr),y
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beq :nextChar
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stz _appleDone
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jsr GetRand
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cmp #$10 ; occasional black pixel @todo
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bge :noBlack
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lda #0
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bra :noMagic
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:noBlack cmp #$FA ; had to add in a way to keep it from
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blt :noMagic ; getting stuck so now it occasionally puts
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lda (srcPtr),y ; the right pixel even when it wasn't
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:noMagic sta (dstPtr),y ; found by getrand. (because it's only pseudorandom)
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:nextChar iny
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cpy #AppleLogoWidth
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bne :drawLoop
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:nextLine lda srcPtr
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clc
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adc #AppleLogoWidth
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sta srcPtr
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bcc :noCarry1
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inc srcPtr+1
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:noCarry1
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inc _currentY ; handle screen offset
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lda _currentY
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cmp #AppleLogoHeight+_appleOffsetY
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bne :lineStart
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:donePass lda #$5
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jsr SimplerWait
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lda _appleDone
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beq :mainLoop
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lda #$33
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jsr SimplerWait
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inc GDemoState
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jmp DemoMain
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_currentY db #$00
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_appleDone db #$00
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_appleOffsetX equ 10
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_appleOffsetY equ 8
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* done = true
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* while !done
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* for x = 0 to width
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* for y = 0 to height
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* load buffer x,y
|
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* cmp screen x,y (plus offsets)
|
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* if (screen = buffer) continue
|
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* done = false
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* get rand
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* store at screen x,y
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* waitvbl
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|
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|
||||
|
||||
|
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|
||||
|
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|
||||
|
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||||
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||||
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||||
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*********************
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* DEMO ONLY!
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* x=10,y=10
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@ -1857,6 +1946,10 @@ KeyHandler
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sta GKeyEvent
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cmp #"q"
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beq P8Quit
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cmp #"Q"
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beq P8Quit
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cmp #K_ESC
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beq P8Quit
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]noKey rts
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@ -2392,18 +2485,61 @@ _multiplyResult dw 0000
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|
||||
|
||||
**************************************************
|
||||
* Apple Standard Memory Locations
|
||||
* @todo: finalize as include?
|
||||
* See if we're running on a IIgs
|
||||
* From Apple II Technote:
|
||||
* Miscellaneous #7
|
||||
* Apple II Family Identification
|
||||
**************************************************
|
||||
CLRLORES EQU $F832
|
||||
LORES EQU $C050
|
||||
TXTSET EQU $C051
|
||||
MIXCLR EQU $C052
|
||||
MIXSET EQU $C053
|
||||
KEY EQU $C000
|
||||
STROBE EQU $C010
|
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SPEAKER EQU $C030
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VBL EQU $C02E
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DetectIIgs
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sec ;Set carry bit (flag)
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jsr $FE1F ;Call to the monitor
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bcs :oldmachine ;If carry is still set, then old machine
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* bcc :newmachine ;If carry is clear, then new machine
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:newmachine lda #1
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sta GMachineIIgs
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rts
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:oldmachine stz GMachineIIgs
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rts
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|
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InitState
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lda GMachineIIgs
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beq :IIe
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rts
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:IIe rts
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VBlank lda _vblType
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bne :IIc
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jsr VBlankNormal
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rts
|
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:IIc rts
|
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_vblType db 0 ; 0 - normal, 1 - IIc
|
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|
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**************************************************
|
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* Wait for vertical blanking interval - IIe/IIgs
|
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**************************************************
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VBlankNormal
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:loop1 lda RDVBLBAR
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bpl :loop1 ; not VBL
|
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:loop lda $c019
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||||
bmi :loop ;wait for beginning of VBL interval
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rts
|
||||
|
||||
|
||||
|
||||
|
||||
**************************************************
|
||||
* Keyboard equates
|
||||
**************************************************
|
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K_CTRL equ $60
|
||||
K_ESC equ $9b
|
||||
K_DELETE equ $7f
|
||||
K_SHIFT equ $20
|
||||
|
||||
K_CTRL_S equ "s"-K_CTRL
|
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K_CTRL_P equ "n"-K_CTRL
|
||||
|
||||
|
||||
|
||||
**************************************************
|
||||
* Lores/Text lines
|
||||
@ -2455,6 +2591,7 @@ DSEG2 ds 4096 ; Secondary (overflow region?)
|
||||
|
||||
GKeyEvent db 0 ; keypress - allow subroutines to access
|
||||
GDemoState db 0 ; current demo state
|
||||
GMachineIIgs db 0 ; machine identification flag
|
||||
|
||||
|
||||
**************************************************
|
||||
@ -2465,5 +2602,7 @@ ProdropStateUpdate equ #1 ; Does one round of character updates, buffer&screen
|
||||
ProdropStateDone equ #2 ; Really just to let the callee(s) know it's all done
|
||||
|
||||
use festrodata ; all the sprites and such
|
||||
use soundengine ; bleep, boops and clicks
|
||||
use applerom ; softswitch locations, etc
|
||||
lst on
|
||||
sav /code/festro.sys
|
||||
|
||||
109
sndplay.s
Normal file
109
sndplay.s
Normal file
@ -0,0 +1,109 @@
|
||||
**************************************************
|
||||
* SNDPLAY
|
||||
* @author Dagen Brock <dagenbrock@gmail.com>
|
||||
* @date 2012-12-10
|
||||
**************************************************
|
||||
|
||||
org $2000
|
||||
typ #$ff
|
||||
xc off ; 65c02
|
||||
xc
|
||||
lst off
|
||||
|
||||
:noKey lda KEY
|
||||
cmp #$80
|
||||
blt :noKey
|
||||
bit STROBE
|
||||
cmp #K_ESC
|
||||
beq P8Quit
|
||||
cmp #"+"
|
||||
beq :slideUp
|
||||
cmp #"-"
|
||||
beq :slideDown
|
||||
cmp #"_"
|
||||
beq :slideDown
|
||||
cmp #"]"
|
||||
beq :play
|
||||
cmp #"/"
|
||||
bne :noChangeDur
|
||||
lda _noteDur
|
||||
clc
|
||||
adc #$20
|
||||
sta _noteDur
|
||||
jsr HexPrint
|
||||
bra :noKey
|
||||
:slideUp inc _slideNote
|
||||
lda _slideNote
|
||||
bra :printBeep
|
||||
:slideDown dec _slideNote
|
||||
lda _slideNote
|
||||
bra :printBeep
|
||||
:play ldx _noteDur
|
||||
lda _slideNote
|
||||
bra :printBeep
|
||||
:noChangeDur
|
||||
|
||||
|
||||
|
||||
sec
|
||||
sbc #"a"
|
||||
tax
|
||||
lda _SE_tones,x
|
||||
:printBeep jsr HexPrint
|
||||
ldx _noteDur
|
||||
jsr SENoteAX
|
||||
bra :noKey
|
||||
_noteDur db #$20
|
||||
_slideNote db 0
|
||||
|
||||
P8Quit jsr $bf00
|
||||
dfb $65
|
||||
da qparms
|
||||
rts
|
||||
qparms dfb 4
|
||||
dfb 0
|
||||
da $0000
|
||||
dfb 0
|
||||
da $0000
|
||||
|
||||
* print accumulator
|
||||
HexPrint pha
|
||||
pha
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
tax
|
||||
lda _chars,x
|
||||
sta $400
|
||||
pla
|
||||
and #%00001111
|
||||
tax
|
||||
lda _chars,x
|
||||
sta $401
|
||||
pla
|
||||
rts
|
||||
|
||||
_chars asc "0123456789ABCDEF"
|
||||
|
||||
|
||||
**************************************************
|
||||
* Awesome PRNG thx to White Flame (aka David Holz)
|
||||
**************************************************
|
||||
GetRand
|
||||
lda _randomByte
|
||||
beq :doEor
|
||||
asl
|
||||
bcc :noEor
|
||||
:doEor eor #$1d
|
||||
:noEor sta _randomByte
|
||||
rts
|
||||
|
||||
_randomByte db 0
|
||||
|
||||
K_ESC equ $9b
|
||||
|
||||
use soundengine ; bleep, boops and clicks
|
||||
use applerom
|
||||
lst on
|
||||
sav /code/sndplay.sys
|
||||
127
soundengine.s
Normal file
127
soundengine.s
Normal file
@ -0,0 +1,127 @@
|
||||
* COSMOS THEME
|
||||
|
||||
Song01
|
||||
|
||||
_SE_tonesBAD db 255,241,227,214,202,191,180,170,161,152,143,135
|
||||
db 128,121,114,108,102,096,091,085,081,076,072,068
|
||||
db 064,060,057,054,051,048,045,043,040,038,036,034
|
||||
|
||||
_SE_tones db NoteG0,NoteGsharp0,NoteA0,NoteBflat0,NoteB0
|
||||
db NoteC1,NoteCsharp1,NoteD1,NoteDsharp1,NoteE1
|
||||
db NoteF1,NoteFsharp1,NoteG1,NoteGsharp1,NoteA1
|
||||
db NoteBflat1,NoteB1,NoteC2,NoteCsharp2,NoteD2
|
||||
db NoteDsharp2,NoteE2,NoteF2
|
||||
|
||||
NoteG0 equ $00 ; because it loops
|
||||
NoteGsharp0 equ $f0
|
||||
NoteA0 equ $e6
|
||||
NoteBflat0 equ $d5
|
||||
NoteB0 equ $cb ; speculating here on up
|
||||
NoteC1 equ $c0
|
||||
NoteCsharp1 equ $b5
|
||||
NoteD1 equ $ac
|
||||
NoteDsharp1 equ $a3
|
||||
NoteE1 equ $99
|
||||
NoteF1 equ $90
|
||||
NoteFsharp1 equ $89
|
||||
NoteG1 equ $80
|
||||
NoteGsharp1 equ $79
|
||||
NoteA1 equ $72
|
||||
NoteBflat1 equ $6c
|
||||
NoteB1 equ $66
|
||||
NoteC2 equ $60
|
||||
NoteCsharp2 equ $5b
|
||||
NoteD2 equ $56
|
||||
NoteDsharp2 equ $51
|
||||
NoteE2 equ $4c
|
||||
NoteF2 equ $48
|
||||
; starts to suck here anyway
|
||||
|
||||
|
||||
SErandStatic
|
||||
ldy #$ff
|
||||
:loop lda SPEAKER
|
||||
jsr GetRand
|
||||
* lsr
|
||||
beq :next
|
||||
:wait dec
|
||||
bne :wait
|
||||
:next dey
|
||||
bne :loop
|
||||
rts
|
||||
|
||||
|
||||
|
||||
|
||||
SErandBlip
|
||||
jsr GetRand
|
||||
sta _SECURRNOTE
|
||||
lda #5
|
||||
sta _SECURRNOTE+1
|
||||
jsr SEplayNote
|
||||
rts
|
||||
|
||||
* a = freq ... x = dur
|
||||
SENoteAX
|
||||
sta _SECURRNOTE
|
||||
stx _SECURRNOTE+1
|
||||
jsr SEplayNote
|
||||
;lda _SECURRNOTE+1
|
||||
;ldy _SECURRNOTE
|
||||
;ldx #$0
|
||||
;jsr tone
|
||||
rts
|
||||
|
||||
SEplayNote
|
||||
:loop lda SPEAKER
|
||||
:whyWut dey
|
||||
bne :thar
|
||||
dec _SECURRNOTE+1
|
||||
beq :doneThat
|
||||
:thar dex
|
||||
bne :whyWut
|
||||
ldx _SECURRNOTE
|
||||
jmp :loop
|
||||
:doneThat rts
|
||||
|
||||
|
||||
_SECURRNOTE db 0,0 ; current note being played (frequency/duration)
|
||||
|
||||
|
||||
*-------------------------------
|
||||
*
|
||||
* T O N E
|
||||
*
|
||||
* In: y-x = pitch lo-hi
|
||||
* a = duration
|
||||
*
|
||||
*-------------------------------
|
||||
tone
|
||||
sty :pitch
|
||||
stx :pitch+1
|
||||
|
||||
:outloop bit SPEAKER
|
||||
|
||||
ldx #0
|
||||
:midloop ldy #0
|
||||
|
||||
:inloop iny
|
||||
cpy :pitch
|
||||
bcc :inloop
|
||||
|
||||
inx
|
||||
cpx :pitch+1
|
||||
bcc :midloop
|
||||
|
||||
sec
|
||||
sbc #1
|
||||
bne :outloop
|
||||
|
||||
rts
|
||||
|
||||
:pitch ds 2
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user