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Changed default font to Termius 8x16 (old font is still there)

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Tom-on
2024-05-02 13:10:40 +02:00
parent 12de6c5b74
commit 8664855d81
6 changed files with 1588 additions and 27 deletions
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include/screen.h
+12 -10
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@@ -6,8 +6,6 @@
#define MODE_INFO_BLOCK 0x9000
#define BG_COLOR 0x00010b17
#define FG_COLOR 0x00ebddf4
#define CHAR_WIDTH 8
#define CHAR_HEIGHT 16
typedef struct modeInfoBlock_s {
// Required by all VBE revisions
@@ -96,13 +94,15 @@ uint32_t convertColor(uint32_t color) {
void putcAt(unsigned char c, uint32_t x, uint32_t y) {
uint8_t* vidmem = (uint8_t*)gfxMode->physicalBasePtr;
uint8_t bytesPerPx = (gfxMode->bpp+1) / 8;
uint32_t offset = (gfxMode->xRes * y * CHAR_HEIGHT + x * CHAR_WIDTH) * bytesPerPx;
uint8_t charWidth = *(font);
uint8_t charHeight = *(font + 1);
uint32_t offset = (gfxMode->xRes * y * charHeight + x * charWidth) * bytesPerPx;
char* bitmap = &font[((c % 128) - 1) * 16];
for (uint8_t i = 0; i < CHAR_HEIGHT; i++) { // Rows
char bitmapRow = bitmap[i];
for (uint8_t j = 0; j < CHAR_WIDTH * bytesPerPx; ++j) { // Cols
char* bitmap = &font[((c % 128) - 1) * charHeight];
for (uint8_t i = 0; i < charHeight; i++) { // Rows
char bitmapRow = bitmap[i];
for (uint8_t j = 0; j < charHeight * bytesPerPx; ++j) { // Cols
uint32_t color = convertColor((bitmapRow & 0x80) ? fgColor : bgColor);
uint8_t byte = j % bytesPerPx;
vidmem[offset + j] = (uint8_t)(color >> (8 * byte));
@@ -124,6 +124,8 @@ void printAt(const char* str, uint32_t x, uint32_t y) {
}
void putc(char c) {
uint8_t charWidth = *(font);
if (c == '\n') {
putcAt(' ', cursor.x, cursor.y); // Make sure we don't leave an extra cursor
cursor.y++;
@@ -132,7 +134,7 @@ void putc(char c) {
putcAt(' ', cursor.x, cursor.y); // Make sure we don't leave an extra cursor
if (cursor.x == 0) {
cursor.x = gfxMode->xRes / CHAR_WIDTH - 1; // Subtract one so we don't overflow to the line start
cursor.x = gfxMode->xRes / charWidth - 1; // Subtract one so we don't overflow to the line start
cursor.y--; // y could be 0
} else {
cursor.x--;
@@ -143,7 +145,7 @@ void putc(char c) {
putcAt(c, cursor.x, cursor.y);
cursor.x++;
if (cursor.x >= gfxMode->xRes / CHAR_WIDTH) {
if (cursor.x >= gfxMode->xRes / charWidth) {
cursor.y++; // TODO: Scrolling
cursor.x = 0;
}