erik/chip-8
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Merge branch 'master' of github.com:cbeust/chip-8

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Cedric Beust 2020-08-23 14:43:34 -07:00
commit 71507afe80
2 changed files with 12 additions and 7 deletions
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12
README.md
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@ -1,8 +1,8 @@
# chip8
# Chipsk-8
## A [Chip-8](http://www.cs.columbia.edu/~sedwards/classes/2016/4840-spring/designs/Chip8.pdf) emulator written in Kotlin
<p align="center">
<img src="https://github.com/cbeust/chip8/blob/master/pics/space-invaders-2.gif?raw=true"/>
<img src="https://github.com/cbeust/chip-8/blob/master/pics/space-invaders-2.gif?raw=true"/>
</p>
# How to run
@ -35,7 +35,7 @@ timerFuture = executor.scheduleAtFixedRate(timerTick, 0, 16L, TimeUnit.MILLISECO
```
<p align="center">
<img width="50%" src="https://github.com/cbeust/chip8/blob/master/pics/tetris-1.png?raw=true"/>
<img width="50%" src="https://github.com/cbeust/chip-8/blob/master/pics/tetris-1.png?raw=true"/>
</p>
The next two bytes are then masked and turned into instructions. All the op codes can be found in the `[Ops.kt](https://github.com/cbeust/chip8/blob/master/src/main/kotlin/com/beust/chip8/Ops.kt)` file. Here is an example:
@ -66,18 +66,18 @@ interface Display {
For example, here is a text based renderer:
<p align="center">
<img width="50%" src="https://github.com/cbeust/chip8/blob/master/pics/space-invaders-text.png?raw=true"/>
<img width="50%" src="https://github.com/cbeust/chip-8/blob/master/pics/space-invaders-text.png?raw=true"/>
</p>
The emulator window will resize gracefully:
<p align="center">
<img width="20%" src="https://github.com/cbeust/chip8/blob/master/pics/space-invaders-small.png?raw=true"/>
<img width="20%" src="https://github.com/cbeust/chip-8/blob/master/pics/space-invaders-small.png?raw=true"/>
</p>
You can also easily alter other aspects of the renderer:
<p align="center">
<img width="50%" src="https://github.com/cbeust/chip8/blob/master/pics/space-invaders-colors.png?raw=true"/>
<img width="50%" src="https://github.com/cbeust/chip-8/blob/master/pics/space-invaders-colors.png?raw=true"/>
</p>

7
src/main/kotlin/com/beust/chip8/Main.kt
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@ -3,6 +3,7 @@ package com.beust.chip8
import com.beust.jcommander.JCommander
import com.beust.jcommander.Parameter
import javafx.application.Application
import javafx.application.Platform
import javafx.beans.property.SimpleBooleanProperty
import javafx.beans.property.SimpleStringProperty
import javafx.event.EventHandler
@ -97,6 +98,10 @@ class MyFxApp : Application() {
}
primaryStage.title = "CHIP-8"
primaryStage.onCloseRequest = EventHandler {
Platform.exit()
exitProcess(0)
}
val url = this::class.java.classLoader.getResource("main.fxml")
val loader = FXMLLoader(url)
val res = url.openStream()
@ -190,7 +195,7 @@ class MyFxApp : Application() {
try {
val key = Integer.parseInt(event.code.char, 16)
keyListener.onKey(key)
} catch(ex: NumberFormatException) {
} catch (ex: NumberFormatException) {
println("Can't parse key " + event.code.char + ", ignoring")
}
}