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add graphicsText mode and finish font_palette example

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This commit is contained in:
Dennis Ranke
2021-12-12 00:54:58 +01:00
parent 6f92fd8bb3
commit 00cbe656cf
3 changed files with 48 additions and 13 deletions
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29
platform/src/platform.cwa
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@@ -59,6 +59,7 @@ export fn cls(col: i32) {
let i: i32;
textCursorX = 0;
textCursorY = 0;
graphicsText = 0;
col = (col & 255) * 0x1010101;
loop pixels {
i!120 = col;
@@ -226,9 +227,15 @@ global mut textCursorX = 0;
global mut textCursorY = 0;
global mut textColor = 15;
global mut bgColor = 0;
global mut graphicsText = 0;
export fn printChar(char: i32) {
if char == 10 | textCursorX >= 320 {
if char == 4 | char == 5 {
graphicsText = char == 5;
return;
}
if char == 10 | (!graphicsText & textCursorX >= 320) {
textCursorX = 0;
textCursorY = textCursorY + 8;
return;
@@ -238,9 +245,18 @@ export fn printChar(char: i32) {
loop rows {
let bits = (char * 8 + y)?0x13400;
let x = 0;
loop pixels {
setPixel(textCursorX + x, textCursorY + y, select((bits := bits << 1) & 256, textColor, bgColor));
branch_if (x := x + 1) < 8: pixels;
if graphicsText {
loop pixels {
if (bits := bits << 1) & 256 {
setPixel(textCursorX + x, textCursorY + y, textColor);
}
branch_if (x := x + 1) < 8: pixels;
}
} else {
loop pixels {
setPixel(textCursorX + x, textCursorY + y, select((bits := bits << 1) & 256, textColor, bgColor));
branch_if (x := x + 1) < 8: pixels;
}
}
branch_if (y := y + 1) < 8: rows;
}
@@ -281,8 +297,9 @@ export fn setBackgroundColor(col: i32) {
}
export fn setCursorPosition(x: i32, y: i32) {
textCursorX = x * 8;
textCursorY = y * 8;
let lazy scale = select(graphicsText, 1, 8);
textCursorX = x * scale;
textCursorY = y * scale;
}
///////////