adding 9-bit font used on HP 264x terminals

src/net/torvald/tsvm/AppLoader.java

@@ -22,8 +22,8 @@ public class AppLoader {
         appConfig.resizable = false;
         appConfig.title = appTitle;
         appConfig.forceExit = true;
-        appConfig.width = 960;//560;
-        appConfig.height = 400;//448;
+        appConfig.width = 720;//560;
+        appConfig.height = 375;//448;
 
 
         // val vm = VM(64.kB(), TheRealWorld(), arrayOf(GenericBios))

src/net/torvald/tsvm/VMGUI.kt

@@ -33,9 +33,9 @@ class VMGUI(val vm: VM, val appConfig: LwjglApplicationConfiguration) : Applicat
     override fun create() {
         super.create()
 
-        //gpu = TexticsAdapter(vm, theme = GraphicsAdapter.THEME_COLORCRT)
         //gpu = GraphicsAdapter(vm, GraphicsAdapter.DEFAULT_CONFIG_COLOR_CRT)
-        gpu = CharacterLCDdisplay(vm)
+        gpu = TexticsAdapter(vm)
+        //gpu = CharacterLCDdisplay(vm)
 
         vm.peripheralTable[1] = PeripheralEntry(
             VM.PERITYPE_GPU_AND_TERM,

src/net/torvald/tsvm/peripheral/GraphicsAdapter.kt

@@ -153,9 +153,11 @@ open class GraphicsAdapter(val vm: VM, val config: AdapterConfig) :
             spriteAndTextArea[k + memTextOffset] = 0
         }
 
-        unusedArea[0] = 2
-        unusedArea[1] = 3
-        unusedArea[2] = 4
+        if (theme.contains("color")) {
+            unusedArea[0] = 2
+            unusedArea[1] = 3
+            unusedArea[2] = 4
+        }
 
         setCursorPos(0, 0)
 
@@ -882,8 +884,6 @@ uniform vec2 tilesInAtlas = ivec2(16.0, 16.0);
 uniform vec2 atlasTexSize = ivec2(128.0, 224.0);
 vec2 tileSizeInPx = atlasTexSize / tilesInAtlas; // should be like ivec2(16, 16)
 
-float fontGamma = 1.8;
-
 ivec2 getTileXY(int tileNumber) {
     return ivec2(tileNumber % int(tilesInAtlas.x), tileNumber / int(tilesInAtlas.x));
 }
@@ -899,15 +899,6 @@ int getTileFromColor(vec4 color) {
     return _colToInt(color) & 0xFFFFF;
 }
 
-vec4 fontMix(vec4 zero, vec4 one, float scale) {
-    return vec4(zero.r * (1 - pow(scale, fontGamma)) + one.r * pow(scale, fontGamma),
-                zero.g * (1 - pow(scale, fontGamma)) + one.g * pow(scale, fontGamma),
-                zero.b * (1 - pow(scale, fontGamma)) + one.b * pow(scale, fontGamma),
-                zero.a * (1 - pow(scale, fontGamma)) + one.a * pow(scale, fontGamma)
-               );
-}
-
-
 void main() {
 
     // READ THE FUCKING MANUAL, YOU DONKEY !! //
@@ -945,7 +936,7 @@ void main() {
 
     // apply colour. I'm expecting FONT ROM IMAGE to be greyscale
     // TODO non-linear mix with gamma 2.2
-    gl_FragColor = fontMix(backColFromMap, foreColFromMap, tileCol.r);
+    gl_FragColor = mix(backColFromMap, foreColFromMap, tileCol.r);
 }
 """.trimIndent()
 

src/net/torvald/tsvm/peripheral/TexticsAdapter.kt

@@ -5,18 +5,30 @@ import com.badlogic.gdx.graphics.Texture
 import net.torvald.tsvm.VM
 import net.torvald.tsvm.kB
 
-class TexticsAdapter(vm: VM, theme: String) : GraphicsAdapter(vm, AdapterConfig(
-    "crt_green",
+class TexticsAdapter(vm: VM) : GraphicsAdapter(vm, AdapterConfig(
+    "crt",
+    720,
+    375,
+    80,
+    25,
+    254,
+    255,
+    256.kB(),
+    "./hp2640.png",
+    0.32f
+)) {
+/*class TexticsAdapter(vm: VM) : GraphicsAdapter(vm, AdapterConfig(
+    "crt_color",
     560,
     448,
     80,
     32,
-    239,
-    0,
+    254,
+    255,
     256.kB(),
     "./cp437_fira_code.png",
-    0.7f
-)) {
+    0.64f
+)) {*/
 
     override fun peek(addr: Long): Byte? {
         return when (addr) {