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added charset switching

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This commit is contained in:
Irmen de Jong 2019-09-21 17:25:11 +02:00
parent b8cea02ee0
commit 81c01ec2d5
2 changed files with 56 additions and 21 deletions
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76
src/main/kotlin/razorvine/c64emu/GUI.kt
View File

@ -47,6 +47,7 @@ private class BitmapScreenPanel(val chargenData: ByteArray, val ram: MemoryCompo
private val image = BufferedImage(ScreenDefs.SCREEN_WIDTH, ScreenDefs.SCREEN_HEIGHT, BufferedImage.TYPE_INT_ARGB)
private val g2d = image.graphics as Graphics2D
private val normalCharacters = loadCharacters(false)
private val shiftedCharacters = loadCharacters(true)
init {
val size = Dimension(
@ -91,23 +92,24 @@ private class BitmapScreenPanel(val chargenData: ByteArray, val ram: MemoryCompo
private fun redrawCharacters() {
val screen = 0x0400
val colors = 0xd800
val shifted = (ram[0xd018].toInt() and 0b00000010) != 0
g2d.background = ScreenDefs.colorPalette[ram[0xd021].toInt()]
g2d.clearRect(0, 0, ScreenDefs.SCREEN_WIDTH, ScreenDefs.SCREEN_HEIGHT)
for(y in 0 until ScreenDefs.SCREEN_HEIGHT_CHARS) {
for(x in 0 until ScreenDefs.SCREEN_WIDTH_CHARS) {
val char = ram[screen + x + y*ScreenDefs.SCREEN_WIDTH_CHARS].toInt()
val color = ram[colors + x + y*ScreenDefs.SCREEN_WIDTH_CHARS].toInt()
drawColoredChar(x, y, char, color and 15)
drawColoredChar(x, y, char, color and 15, shifted)
}
}
}
private val coloredCharacters = mutableMapOf<Pair<Int, Int>, BufferedImage>()
private val coloredCharacters = mutableMapOf<Triple<Int, Int, Boolean>, BufferedImage>()
private fun drawColoredChar(x: Int, y: Int, char: Int, color: Int) {
var cached = coloredCharacters[Pair(char, color)]
private fun drawColoredChar(x: Int, y: Int, char: Int, color: Int, shifted: Boolean) {
var cached = coloredCharacters[Triple(char, color, shifted)]
if(cached==null) {
cached = normalCharacters[char]
cached = if(shifted) shiftedCharacters[char] else normalCharacters[char]
val colored = g2d.deviceConfiguration.createCompatibleImage(8, 8, BufferedImage.BITMASK)
val sourceRaster = cached.raster
val coloredRaster = colored.raster
@ -122,7 +124,7 @@ private class BitmapScreenPanel(val chargenData: ByteArray, val ram: MemoryCompo
}
}
}
coloredCharacters[Pair(char, color)] = colored
coloredCharacters[Triple(char, color, shifted)] = colored
cached = colored
}
g2d.drawImage(cached, x * 8, y * 8, null)
@ -321,30 +323,64 @@ class MainC64Window(title: String, chargenData: ByteArray, val ram: MemoryCompon
}
}
'9' -> {
when {
ke.isControlDown -> 0x12 // reverse on
else -> '9'.toShort()
}
if (ke.isControlDown) 0x12 // reverse on
else '9'.toShort()
}
'0' -> {
when {
ke.isControlDown -> 0x92 // reverse off
else -> '0'.toShort()
}
if (ke.isControlDown) 0x92 // reverse off
else '0'.toShort()
}
'`' -> 0x5f // left arrow
'\\' -> 0x5e // up arrow
'|' -> 0x7e // pi
'}' -> 0x5c // pound
else -> Petscii.encodePetscii(ke.keyChar.toString(), true)[0]
else -> {
if(ke.isAltDown) {
// commodore+key petscii symbol
return when(ke.keyCode) {
KeyEvent.VK_A -> 0xb0
KeyEvent.VK_B -> 0xbf
KeyEvent.VK_C -> 0xbc
KeyEvent.VK_D -> 0xac
KeyEvent.VK_E -> 0xb1
KeyEvent.VK_F -> 0xbb
KeyEvent.VK_G -> 0xa5
KeyEvent.VK_H -> 0xb4
KeyEvent.VK_I -> 0xa2
KeyEvent.VK_J -> 0xb5
KeyEvent.VK_K -> 0xa1
KeyEvent.VK_L -> 0xb6
KeyEvent.VK_M -> 0xa7
KeyEvent.VK_N -> 0xaa
KeyEvent.VK_O -> 0xb9
KeyEvent.VK_P -> 0xaf
KeyEvent.VK_Q -> 0xab
KeyEvent.VK_R -> 0xb2
KeyEvent.VK_S -> 0xae
KeyEvent.VK_T -> 0xa3
KeyEvent.VK_U -> 0xb8
KeyEvent.VK_V -> 0xbe
KeyEvent.VK_W -> 0xb3
KeyEvent.VK_X -> 0xbd
KeyEvent.VK_Y -> 0xb7
KeyEvent.VK_Z -> 0xad
else -> 0 // not mapped
}
} else {
Petscii.encodePetscii(ke.keyChar.toString(), true)[0]
}
}
}
}
else if(ke.id == KeyEvent.KEY_RELEASED) {
if(ke.keyCode==KeyEvent.VK_SHIFT && ke.modifiersEx and KeyEvent.CTRL_DOWN_MASK != 0) {
return 0x0e // lo+up charset
}
else if(ke.keyCode==KeyEvent.VK_CONTROL && ke.modifiersEx and KeyEvent.SHIFT_DOWN_MASK != 0) {
return 0x0e // lo+up charset
if((ke.keyCode==KeyEvent.VK_SHIFT && ke.modifiersEx and KeyEvent.ALT_DOWN_MASK != 0) ||
(ke.keyCode==KeyEvent.VK_ALT && ke.modifiersEx and KeyEvent.SHIFT_DOWN_MASK != 0)) {
// shift+alt is mapped to shift+commodore key, to toggle charsets
val charSet = ram[0xd018].toInt() and 0b00000010
return if(charSet==0)
0x0e // lo/up charset
else
0x8e // up/gfx charset
}
}
}

1
src/main/kotlin/razorvine/c64emu/VicII.kt
View File

@ -57,6 +57,5 @@ class VicII(startAddress: Address, endAddress: Address): MemMappedComponent(star
}
0x12 -> rasterIrqLine = (rasterIrqLine and 0xff00) or data.toInt()
}
// println("VIC SET ${register.toString(16)} = ${data.toString(16)} (rasterIrqLine= $rasterIrqLine)")
}
}