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Yourtion
2014-09-10 17:52:17 +08:00
parent 6d4706d26c
commit 8594061b02
1 changed files with 26 additions and 1 deletions
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27
05_day/bootpack.c
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@@ -8,6 +8,7 @@ void init_palette(void);
void set_palette(int start, int end, unsigned char *rgb);
void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1);
void init_screen(char *vram, int x, int y);
void putfont8(char *vram, int xsize, int x, int y, char c, char *font);
#define COL8_000000 0
#define COL8_FF0000 1
@@ -34,10 +35,15 @@ struct BOOTINFO {
void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) 0x0ff0;
struct BOOTINFO *binfo = (struct BOOTINFO *) 0x0ff0;
static char font_A[16] = {
0x00, 0x18, 0x18, 0x18, 0x18, 0x24, 0x24, 0x24,
0x24, 0x7e, 0x42, 0x42, 0x42, 0xe7, 0x00, 0x00
};
init_palette();
init_screen(binfo->vram, binfo->scrnx, binfo->scrny);
putfont8(binfo->vram, binfo->scrnx, 10, 10, COL8_FFFFFF, font_A);
for (;;) {
io_hlt();
@@ -116,3 +122,22 @@ void init_screen(char *vram, int x, int y)
boxfill8(vram, x, COL8_FFFFFF, x - 3, y - 24, x - 3, y - 3);
return;
}
void putfont8(char *vram, int xsize, int x, int y, char c, char *font)
{
int i;
char *p, d /* data */;
for (i = 0; i < 16; i++) {
p = vram + (y + i) * xsize + x;
d = font[i];
if ((d & 0x80) != 0) { p[0] = c; }
if ((d & 0x40) != 0) { p[1] = c; }
if ((d & 0x20) != 0) { p[2] = c; }
if ((d & 0x10) != 0) { p[3] = c; }
if ((d & 0x08) != 0) { p[4] = c; }
if ((d & 0x04) != 0) { p[5] = c; }
if ((d & 0x02) != 0) { p[6] = c; }
if ((d & 0x01) != 0) { p[7] = c; }
}
return;
}