139 lines
4.2 KiB
C
139 lines
4.2 KiB
C
#include <stdio.h>
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#include "bootpack.h"
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#include "desctbl.h"
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#include "fifo.h"
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#include "graphic.h"
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#include "int.h"
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#include "io.h"
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#include "keyboard.h"
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#include "memory.h"
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#include "mouse.h"
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#include "sheet.h"
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int main(void) {
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struct BootInfo *binfo = (struct BootInfo *)ADR_BOOTINFO;
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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struct MouseDec mdec;
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char s[40], mcursor[256];
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unsigned char data;
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unsigned int memtotal;
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struct Shtctl *shtctl;
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struct Sheet *sht_back, *sht_mouse;
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unsigned char *buf_back, buf_mouse[256];
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init_gdtidt();
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init_pic(); // GDT/IDT完成初始化，开放CPU中断
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io_sti();
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fifo8_init(&keyfifo, KEY_FIFO_BUF_SIZE, keybuf);
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fifo8_init(&mousefifo, MOUSE_FIFO_BUF_SIZE, mousebuf);
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io_out8(PIC0_IMR, 0xf9); // 开放PIC1以及键盘中断
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io_out8(PIC1_IMR, 0xef); // 开放鼠标中断
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init_keyboard();
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enable_mouse(&mdec);
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memtotal = memtest(0x00400000, 0xbfffffff);
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memman_init(memman);
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// 书中为0x00001000 ~ 0x0009e000
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// 测试时发现会造成错误（原因未知），所以改为由0x00010000开始
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memman_free(memman, 0x00010000, 0x0009e000); // 0x00010000 ~ 0x0009efff
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memman_free(memman, 0x00400000, memtotal - 0x00400000);
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init_palette();
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shtctl = shtctl_init(memman, binfo->vram, binfo->scrnx, binfo->scrny);
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sht_back = sheet_alloc(shtctl);
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sht_mouse = sheet_alloc(shtctl);
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buf_back =
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(unsigned char *)memman_alloc_4k(memman, binfo->scrnx * binfo->scrny);
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sheet_setbuf(sht_back, buf_back, binfo->scrnx, binfo->scrny,
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-1); // 没有透明色
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sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99); // 透明色号99
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init_screen8(buf_back, binfo->scrnx, binfo->scrny);
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init_mouse_cursor8(buf_mouse, 99); // 背景色号99
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sheet_slide(shtctl, sht_back, 0, 0);
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int mx = (binfo->scrnx - 16) / 2; // 按在画面中央来计算坐标
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int my = (binfo->scrny - 28 - 16) / 2;
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sheet_slide(shtctl, sht_mouse, mx, my);
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sheet_updown(shtctl, sht_back, 0);
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sheet_updown(shtctl, sht_mouse, 1);
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sprintf(s, "(%3d, %3d)", mx, my);
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put_fonts8_asc(buf_back, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
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sprintf(s, "memory %dMB, free: %dKB", memtotal / (1024 * 1024),
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memman_total(memman) / 1024);
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put_fonts8_asc(buf_back, binfo->scrnx, 0, 32, COL8_FFFFFF, s);
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sheet_refresh(shtctl, sht_back, 0, 0, binfo->scrnx, 48);
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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)) {
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data = (unsigned char)fifo8_get(&keyfifo);
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io_sti();
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sprintf(s, "%02X", data);
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box_fill8(buf_back, binfo->scrnx, COL8_008484, 0, 16, 15, 31);
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put_fonts8_asc(buf_back, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
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sheet_refresh(shtctl, sht_back, 0, 16, 16, 32);
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} else if (fifo8_status(&mousefifo)) {
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data = (unsigned char)fifo8_get(&mousefifo);
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io_sti();
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if (mouse_decode(&mdec, data)) {
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sprintf(s, "[lcr %4d %4d]", mdec.x, mdec.y);
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if ((mdec.btn & 0x01)) {
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s[1] = 'L';
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}
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if ((mdec.btn & 0x02)) {
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s[3] = 'R';
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}
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if ((mdec.btn & 0x04)) {
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s[2] = 'C';
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}
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box_fill8(buf_back, binfo->scrnx, COL8_008484, 32, 16,
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32 + 15 * 8 - 1, 31);
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put_fonts8_asc(buf_back, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
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sheet_refresh(shtctl, sht_back, 32, 16, 32 + 15 * 8, 32);
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// 移动光标
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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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box_fill8(buf_back, binfo->scrnx, COL8_008484, 0, 0, 79,
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15); // 隐藏坐标
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put_fonts8_asc(buf_back, binfo->scrnx, 0, 0, COL8_FFFFFF,
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s); // 显示坐标
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sheet_refresh(shtctl, sht_back, 0, 0, 80, 16);
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sheet_slide(shtctl, sht_mouse, mx, my);
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}
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}
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}
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}
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return 0;
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}
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