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omos-tcnj2024
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idk what this is but it works

This commit is contained in:
spikey 2024-02-18 00:21:22 -05:00
parent fdd2244198
commit 60059ca578
2 changed files with 11 additions and 9 deletions
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14
sys/drv/vga/video.c
View File

@ -9,31 +9,31 @@ vga_write(s8 *sequence, s16 size, s8 flags)
for (s16 i = 0; i <= VGA_SIZE; i++) {
vga_vidmem[i] = sequence[using_size + i];
vga_vidmem[++i] = flags;
}
vga_vidmem[++i] = flags; }
unused = 2001;
unused = 4001;
return;
}
s16 needed_space = (size + unused) * 2 - VGA_SIZE;
s16 needed_space = size * 2 + unused - VGA_SIZE;
if (needed_space >= 0) {
for (s16 i = 0; i <= VGA_SIZE - needed_space; i++) {
vga_vidmem[i] = vga_vidmem[i++ + needed_space];
vga_vidmem[i] = vga_vidmem[((needed_space / 2) - (needed_space / 2) % 2) + i];
}
unused = VGA_SIZE - needed_space;
}
for (s16 i = 0; i < size; i++) {
vga_vidmem[unused * 2] = sequence[i];
vga_vidmem[(unused++ * 2) + 1] = flags;
vga_vidmem[unused++] = sequence[i];
vga_vidmem[unused++] = flags;
}
}
void
vga_clearscreen(void)
{
unused = 0;
for (s16 i = 0; i <= VGA_SIZE; i++) {
vga_vidmem[i] = 0;
}

6
sys/sysinit.c
View File

@ -4,9 +4,11 @@ void
sysinit(void)
{
vga_clearscreen();
for (s16 i = 0; i < 100; i++) {
vga_write("Om Smert.", 9, 0x0F);
vga_write("Om Smarter.", 11, 0x0F);
for (s16 i = 0; i < 99; i++) {
vga_write("Om Smart.", 9, 0x0F);
vga_write("Om Smarter.", 11, 0x0F);
}
vga_write("fish stick.", 10, 0x07);
vga_write("fish stick", 10, 0x07);
}