249 lines
7.4 KiB
C
249 lines
7.4 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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#include "task.h"
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#include "timer.h"
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#include "window.h"
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void task_b_main(struct Sheet *sht_back_b) {
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struct FIFO32 fifo;
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int fifobuf[128], count = 0, count0 = 0;
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char s[12];
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fifo32_init(&fifo, 128, fifobuf, NULL);
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struct Timer *timer_1s = timer_alloc();
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timer_init(timer_1s, &fifo, 100);
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timer_set_timer(timer_1s, 100);
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for (;;) {
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count++;
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io_cli();
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if (!fifo32_status(&fifo)) {
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io_stihlt();
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} else {
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int data = fifo32_get(&fifo);
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io_sti();
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if (data == 100) {
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sprintf(s, "%11d", count);
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put_fonts8_asc_sht(sht_back_b, 24, 28, COL8_000000, COL8_C6C6C6, s, 11);
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count0 = count;
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timer_set_timer(timer_1s, 100);
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}
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}
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}
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}
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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 int memtotal;
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struct Shtctl *shtctl;
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struct Sheet *sht_back, *sht_mouse, *sht_win, *sht_win_b[3];
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unsigned char *buf_back, buf_mouse[256], *buf_win, *buf_win_b;
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struct Timer *timer;
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struct FIFO32 fifo;
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int fifobuf[128], data;
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struct Task *task_b[3];
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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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fifo32_init(&fifo, 128, fifobuf, NULL);
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init_keyboard(&fifo, 256);
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enable_mouse(&fifo, 512, &mdec);
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init_pit();
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io_out8(PIC0_IMR, 0xf8); // 开放PIT、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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memtotal = memtest(0x00400000, 0xbfffffff);
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memman_init(memman);
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// 书中为0x00001000 ~ 0x0009e000
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// 注1: 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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// 注2: 在640*480模式下，free该段内存后会导致屏幕画面错误
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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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struct Task *task_a = task_init(memman);
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fifo.task = task_a;
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task_run(task_a, 1, 0);
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// sht_back
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sht_back = 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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init_screen8(buf_back, binfo->scrnx, binfo->scrny);
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// sht_win_b
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for (int i = 0; i < 3; i++) {
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sht_win_b[i] = sheet_alloc(shtctl);
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buf_win_b = (unsigned char *)memman_alloc_4k(memman, 144 * 52);
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sheet_setbuf(sht_win_b[i], buf_win_b, 144, 52, -1); // 无透明
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sprintf(s, "task_b%d", i);
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make_window8(buf_win_b, 144, 52, s, 0);
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task_b[i] = task_alloc();
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task_b[i]->tss.esp = memman_alloc_4k(memman, 64 * 1024) + 64 * 1024 - 8;
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task_b[i]->tss.eip = (int)&task_b_main;
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task_b[i]->tss.es = 1 * 8;
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task_b[i]->tss.cs = 2 * 8;
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task_b[i]->tss.ss = 1 * 8;
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task_b[i]->tss.ds = 1 * 8;
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task_b[i]->tss.fs = 1 * 8;
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task_b[i]->tss.gs = 1 * 8;
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*((int *)(task_b[i]->tss.esp + 4)) = (int)sht_win_b[i];
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task_run(task_b[i], 2, i + 1);
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}
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// sht_win
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sht_win = sheet_alloc(shtctl);
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buf_win = (unsigned char *)memman_alloc_4k(memman, 160 * 52);
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sheet_setbuf(sht_win, buf_win, 160, 52, -1); // 没有透明色
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make_window8(buf_win, 160, 52, "task_a", 1);
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make_textbox8(sht_win, 8, 28, 144, 16, COL8_FFFFFF);
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int cursor_x = 8;
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int cursor_c = COL8_FFFFFF;
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timer = timer_alloc();
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timer_init(timer, &fifo, 1);
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timer_set_timer(timer, 50);
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// sht_mouse
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sht_mouse = sheet_alloc(shtctl);
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sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99); // 透明色号99
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init_mouse_cursor8(buf_mouse, 99); // 背景色号99
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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(sht_back, 0, 0);
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sheet_slide(sht_win_b[0], 168, 56);
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sheet_slide(sht_win_b[1], 8, 116);
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sheet_slide(sht_win_b[2], 168, 116);
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sheet_slide(sht_win, 8, 56);
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sheet_slide(sht_mouse, mx, my);
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sheet_updown(sht_back, 0);
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sheet_updown(sht_win_b[0], 1);
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sheet_updown(sht_win_b[1], 2);
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sheet_updown(sht_win_b[2], 3);
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sheet_updown(sht_win, 4);
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sheet_updown(sht_mouse, 5);
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sprintf(s, "(%3d, %3d)", mx, my);
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put_fonts8_asc_sht(sht_back, 0, 0, COL8_FFFFFF, COL8_008484, s, 10);
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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_sht(sht_back, 0, 32, COL8_FFFFFF, COL8_008484, s, 40);
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for (;;) {
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io_cli();
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if (fifo32_status(&fifo) == 0) {
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task_sleep(task_a);
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io_sti();
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} else {
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data = fifo32_get(&fifo);
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io_sti();
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if (256 <= data && data <= 511) {
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// 键盘数据
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sprintf(s, "%02X", data - 256);
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put_fonts8_asc_sht(sht_back, 0, 16, COL8_FFFFFF, COL8_008484, s, 2);
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if (data < 0x54 + 256) {
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if (keytable[data - 256] && cursor_x < 144) {
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// 一般字符
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s[0] = keytable[data - 256];
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s[1] = '\0';
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put_fonts8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF,
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s, 1);
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cursor_x += 8;
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}
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if (data == 256 + 0x0e && cursor_x > 8) {
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// 退格键
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// 用空格键把光标消去后，后移一次光标
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put_fonts8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF,
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" ", 1);
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cursor_x -= 8;
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}
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box_fill8(sht_win->buf, sht_win->bxsize, cursor_c, cursor_x, 28,
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cursor_x + 7, 43);
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sheet_refresh(sht_win, cursor_x, 28, cursor_x + 8, 44);
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}
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} else if (512 <= data && data <= 767) {
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// 鼠标数据
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if (mouse_decode(&mdec, data - 512)) {
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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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put_fonts8_asc_sht(sht_back, 32, 16, COL8_FFFFFF, COL8_008484, s, 15);
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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 - 1) {
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mx = binfo->scrnx - 1;
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}
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if (my > binfo->scrny - 1) {
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my = binfo->scrny - 1;
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}
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sprintf(s, "(%3d, %3d)", mx, my);
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put_fonts8_asc_sht(sht_back, 0, 0, COL8_FFFFFF, COL8_008484, s, 10);
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sheet_slide(sht_mouse, mx, my);
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if (mdec.btn & 0x01) {
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// 按下左键，移动sht_win
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sheet_slide(sht_win, mx - 80, my - 8);
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}
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}
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} else if (data <= 1) {
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if (data) {
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timer_init(timer, &fifo, 0);
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cursor_c = COL8_000000;
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} else {
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timer_init(timer, &fifo, 1);
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cursor_c = COL8_FFFFFF;
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}
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timer_set_timer(timer, 50);
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box_fill8(sht_win->buf, sht_win->bxsize, cursor_c, cursor_x, 28,
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cursor_x + 7, 43);
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sheet_refresh(sht_win, cursor_x, 28, cursor_x + 8, 44);
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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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