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[1] pry(main)> !(1..2)
=> false
[2] pry(main)> not((1..2))
=> false
[3] pry(main)> not(1..2)
(pry):3: warning: integer literal in conditional range
(pry):3: warning: integer literal in conditional range
=> true

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#!/usr/bin/env ruby

require 'bundler/setup'
require 'c64'
require 'c64/prototype'

class BallTest < C64::Prototype

  border :black
  screen :white

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;-------------------------------------------------------------------------
; StarField Example                                              13.01.94
;-------------------------------------------------------------------------
; Programming by Lars Haugseth (Perplex)
;-------------------------------------------------------------------------

;-------------------------------------------------------------------------
; CONSTANTS
;-------------------------------------------------------------------------

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    class App < Sinatra::Base

      error_log = File.new('log/rack_errors.log', 'a+')
      error_log.sync = true

      def error_log.puts(*messages)
        messages.first.prepend "[#{Time.now.strftime '%F %X.%6N'}] "
        super
      end

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# ~/.tmuxinator/aid.yml

name: aid
root: ~/src/amedia/aid

# Optional tmux socket
# socket_name: foo

# Runs before everything. Use it to start daemons etc.
pre:

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	;; Self-modifying code ($18 bytes in ZP, $1A bytes elsewhere)

a:	lda #$20
	ldy #$18
a_row:	ldx #$28
a_col:	sta $03E8,y
	eor #$80
	dex
	bmi a_row
	iny

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; a0: Source 8-bit chunky data
; a1: Target bitplane memory
; d0: Bitplane height (or 1 for non-interleaved)
; d1: Bitplane width (or size for non-interleaved) in bytes

ChunkyToPlanar5:

	move.l	a1, a2
	add.l	d1, a2
	move.l	a2, a3

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SineGenerate:

	lea	Sine + 8, a0
	move.l	#$7FFF6216, d6	; 2*cos(π/512) >> 2
	move.l	#253, d7
.Loop:
	move.l	-4(a0), d0	; A = sin(i)
	move.l	d6, d1		; B = 2*cos(π/512) >> 2
	move.l	d0, d2
	move.l	d1, d3

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SINE_GEN_LENGTH = 256

SineGenerate:

	lea	SineGenTable + 8, a0
	move.l	#$7FFF6216, d6	; 2*cos(π/512) >> 2

	move.l	#SINE_GEN_LENGTH - 3, d7
.Loop:	move.l	-4(a0), d0	; A = sin(i)
	move.l	d6, d1		; B = 2*cos(π/512) >> 2

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../HVSC-71 $ find -name "*.sid" -size -1024c | xargs du -b | grep -v BASIC | sort

160	MUSICIANS/0-9/4-Mat/Glitchshifter.sid
249	MUSICIANS/G/Galleon/Science_451_Intro.sid
251	DEMOS/A-F/A_Riddle_1K_Intro.sid
252	MUSICIANS/B/BOGG/A_Message.sid
273	GAMES/A-F/Defenseur.sid
288	GAMES/A-F/Chomper_Man.sid
291	GAMES/S-Z/Spelloon.sid
293	GAMES/M-R/Rodney_to_the_Rescue.sid