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显示键盘按下

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Yourtion
2014-09-17 10:25:24 +08:00
parent b03f14235d
commit d933d9b581
1 changed files with 9 additions and 5 deletions
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14
07_day/int.c
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@@ -28,11 +28,15 @@ void inthandler21(int *esp)
/* 来自PS/2键盘的中断 */
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
boxfill8(binfo->vram, binfo->scrnx, COL8_000000, 0, 0, 32 * 8 - 1, 15);
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, "INT 21 (IRQ-1) : PS/2 keyboard");
for (;;) {
io_hlt();
}
unsigned char data, s[4];
io_out8(PIC0_OCW2, 0x61); /* IRQ-01受付完了をPICに通知 */
data = io_in8(PORT_KEYDAT);
sprintf(s, "%02X", data);
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31);
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
return;
}
void inthandler2c(int *esp)