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|
; "Rainbow with glitter" demo
; for "FastLED6502"
;
; Runs on an Apple ][, ][+, //e, or //gs
;
; Supports APA102, Adafruit DotStar,
; LPD8806, and WS2801 LED strips.
;
; LED strip connects to game port pins,
; see FastLED6502.s65 for details.
;
; Mark Kriegsman, February 2015
#define NUM_LEDS 100
#define BRIGHTNESS 64
#define CHIPSET APA102
#define DATA_PIN 14
#define CLOCK_PIN 5
* = $6000
#include "FastLED6502.s65"
#include "AppleII.s65"
gHue .byt 0
gHueDelta .byt 17
gHueSpeed .byt 7
Setup
lda #0
sta gHue
Loop
lda gHue
clc
adc gHueSpeed
sta gHue
ldx gHue
ldy gHueDelta
; Fill RGB array with HSV rainbow
jsr FastLED_FillRainbow_XY
; Use master brightness control
lda #BRIGHTNESS
sta FastLED_Brightness
CheckOpenApple
bit OpenApple
bpl CheckSolidApple
; Add glitter if requested
jsr AddGlitter
CheckSolidApple
bit SolidApple
bpl DoDisplay
; Pulse brightness if requested
jsr PulseBrightness
DoDisplay
; This is where the magic happens
jsr FastLED_Show
jmp Loop
AddGlitter
ldy #3
MaybeAdd1Glitter
jsr FastLED_Random8
cmp FastLED_NumPixels
bcs SkipThis1Glitter
tax
lda #$FF
sta ledsR,x
sta ledsG,x
sta ledsB,x
SkipThis1Glitter
dey
bne MaybeAdd1Glitter
rts
PulseBrightness
lda #13
jsr FastLED_Beat8
clc
adc #12
bcc PulseBright1
lda #$FF
PulseBright1
sta FastLED_Brightness
rts
|
