mirror of
https://github.com/yourtion/30dayMakeOS.git
synced 2026-02-04 02:23:26 +08:00
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* bootpackのメイン */
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#include "bootpack.h"
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#include <stdio.h>
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void HariMain(void)
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{
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struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
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char s[40], mcursor[256], keybuf[32], mousebuf[128];
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int mx, my, i;
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struct MOUSE_DEC mdec;
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init_gdtidt();
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init_pic();
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io_sti(); /* IDT/PIC的初始化已经完成，于是开放CPU的中断 */
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fifo8_init(&keyfifo, 32, keybuf);
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fifo8_init(&mousefifo, 128, mousebuf);
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io_out8(PIC0_IMR, 0xf9); /* 开放PIC1和键盘中断(11111001) */
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io_out8(PIC1_IMR, 0xef); /* 开放鼠标中断(11101111) */
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init_keyboard();
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init_palette();
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init_screen8(binfo->vram, binfo->scrnx, binfo->scrny);
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mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */
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my = (binfo->scrny - 28 - 16) / 2;
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init_mouse_cursor8(mcursor, COL8_008484);
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putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16);
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sprintf(s, "(%d, %d)", mx, my);
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putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
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enable_mouse(&mdec);
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for (;;) {
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io_cli();
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if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) {
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io_stihlt();
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} else {
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if (fifo8_status(&keyfifo) != 0) {
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i = fifo8_get(&keyfifo);
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io_sti();
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sprintf(s, "%02X", i);
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boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31);
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putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
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} else if (fifo8_status(&mousefifo) != 0) {
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i = fifo8_get(&mousefifo);
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io_sti();
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if (mouse_decode(&mdec, i) != 0) {
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/* 3字节都凑齐了，所以把它们显示出来*/
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sprintf(s, "[lcr %4d %4d]", mdec.x, mdec.y);
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if ((mdec.btn & 0x01) != 0) {
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s[1] = 'L';
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}
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if ((mdec.btn & 0x02) != 0) {
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s[3] = 'R';
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}
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if ((mdec.btn & 0x04) != 0) {
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s[2] = 'C';
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}
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boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 32 + 15 * 8 - 1, 31);
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putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
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/* 鼠标指针的移动 */
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boxfill8(binfo->vram, binfo->scrnx, COL8_008484, mx, my, mx + 15, my + 15); /* 隐藏鼠标 */
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mx += mdec.x;
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my += mdec.y;
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if (mx < 0) {
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mx = 0;
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}
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if (my < 0) {
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my = 0;
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}
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if (mx > binfo->scrnx - 16) {
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mx = binfo->scrnx - 16;
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}
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if (my > binfo->scrny - 16) {
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my = binfo->scrny - 16;
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}
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sprintf(s, "(%3d, %3d)", mx, my);
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boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 0, 79, 15); /* 隐藏坐标 */
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putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s); /* 显示坐标 */
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putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16); /* 描画鼠标 */
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}
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}
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}
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}
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}
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