diff --git a/08_day/bootpack.c b/08_day/bootpack.c index c72a57f..5197304 100644 --- a/08_day/bootpack.c +++ b/08_day/bootpack.c @@ -6,65 +6,75 @@ extern struct FIFO8 keyfifo, mousefifo; struct MOUSE_DEC { - unsigned char buf[3], phase; + unsigned char buf[3], phase; + int x, y, btn; }; -void init_keyboard(void); void enable_mouse(struct MOUSE_DEC *mdec); int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat); +void init_keyboard(void); void HariMain(void) { - struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO; - struct MOUSE_DEC mdec; - char s[40], mcursor[256], keybuf[32], mousebuf[128]; - int mx, my, i; + struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO; + struct MOUSE_DEC mdec; + char s[40], mcursor[256], keybuf[32], mousebuf[128]; + int mx, my, i; - init_gdtidt(); - init_pic(); - io_sti(); /* IDT/PICの初期化が終わったのでCPUの割り込み禁止を解除 */ + init_gdtidt(); + init_pic(); + io_sti(); /* IDT/PICの初期化が終わったのでCPUの割り込み禁止を解除 */ - fifo8_init(&keyfifo, 32, keybuf); - fifo8_init(&mousefifo, 128, mousebuf); - io_out8(PIC0_IMR, 0xf9); /* PIC1とキーボードを許可(11111001) */ - io_out8(PIC1_IMR, 0xef); /* マウスを許可(11101111) */ + fifo8_init(&keyfifo, 32, keybuf); + fifo8_init(&mousefifo, 128, mousebuf); + io_out8(PIC0_IMR, 0xf9); /* PIC1とキーボードを許可(11111001) */ + io_out8(PIC1_IMR, 0xef); /* マウスを許可(11101111) */ - init_keyboard(); + init_keyboard(); - init_palette(); - init_screen8(binfo->vram, binfo->scrnx, binfo->scrny); - mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */ - my = (binfo->scrny - 28 - 16) / 2; - init_mouse_cursor8(mcursor, COL8_008484); - putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16); - sprintf(s, "(%d, %d)", mx, my); - putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s); + init_palette(); + init_screen8(binfo->vram, binfo->scrnx, binfo->scrny); + mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */ + my = (binfo->scrny - 28 - 16) / 2; + init_mouse_cursor8(mcursor, COL8_008484); + putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16); + sprintf(s, "(%d, %d)", mx, my); + putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s); - enable_mouse(&mdec); + enable_mouse(&mdec); - for (;;) { - io_cli(); - if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) { - io_stihlt(); - } else { - if (fifo8_status(&keyfifo) != 0) { - i = fifo8_get(&keyfifo); - io_sti(); - sprintf(s, "%02X", i); - boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31); - putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s); - } else if (fifo8_status(&mousefifo) != 0) { - i = fifo8_get(&mousefifo); - io_sti(); - if (mouse_decode(&mdec, i) != 0) { - /* 3字节都凑齐了，所以把它们显示出来*/ - sprintf(s, "%02X %02X %02X", mdec.buf[0], mdec.buf[1], mdec.buf[2]); - boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 32 + 8 * 8 - 1, 31); - putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s); - } - } - } - } + for (;;) { + io_cli(); + if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) { + io_stihlt(); + } else { + if (fifo8_status(&keyfifo) != 0) { + i = fifo8_get(&keyfifo); + io_sti(); + sprintf(s, "%02X", i); + boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31); + putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s); + } else if (fifo8_status(&mousefifo) != 0) { + i = fifo8_get(&mousefifo); + io_sti(); + if (mouse_decode(&mdec, i) != 0) { + /* 3字节都凑齐了，所以把它们显示出来*/ + sprintf(s, "[lcr %4d %4d]", mdec.x, mdec.y); + if ((mdec.btn & 0x01) != 0) { + s[1] = 'L'; + } + if ((mdec.btn & 0x02) != 0) { + s[3] = 'R'; + } + if ((mdec.btn & 0x04) != 0) { + s[2] = 'C'; + } + boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 32 + 15 * 8 - 1, 31); + putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s); + } + } + } + } } #define PORT_KEYDAT 0x0060 @@ -76,65 +86,76 @@ void HariMain(void) void wait_KBC_sendready(void) { - /* 等待键盘控制电路准备完毕 */ - for (;;) { - if ((io_in8(PORT_KEYSTA) & KEYSTA_SEND_NOTREADY) == 0) { - break; - } - } - return; + /* 等待键盘控制电路准备完毕 */ + for (;;) { + if ((io_in8(PORT_KEYSTA) & KEYSTA_SEND_NOTREADY) == 0) { + break; + } + } + return; } void init_keyboard(void) { - /* 初始化键盘控制电路 */ - wait_KBC_sendready(); - io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE); - wait_KBC_sendready(); - io_out8(PORT_KEYDAT, KBC_MODE); - return; + /* 初始化键盘控制电路 */ + wait_KBC_sendready(); + io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE); + wait_KBC_sendready(); + io_out8(PORT_KEYDAT, KBC_MODE); + return; } #define KEYCMD_SENDTO_MOUSE 0xd4 #define MOUSECMD_ENABLE 0xf4 void enable_mouse(struct MOUSE_DEC *mdec){ - /* 鼠标有效 */ + /* 鼠标有效 */ wait_KBC_sendready(); io_out8(PORT_KEYCMD, KEYCMD_SENDTO_MOUSE); wait_KBC_sendready(); io_out8(PORT_KEYDAT, MOUSECMD_ENABLE); /* 顺利的话，ACK(0xfa)会被送过来 */ - mdec->phase = 0; /* 等待0xfa的阶段 */ + mdec->phase = 0; /* 等待0xfa的阶段 */ return; } int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat){ - if (mdec->phase == 0) { - /* 等待鼠标的0xfa的阶段 */ - if (dat == 0xfa) { - mdec->phase = 1; - } - return 0; - } - if (mdec->phase == 1) { - /* 等待鼠标第一字节的阶段 */ - mdec->buf[0] = dat; - mdec->phase = 2; - return 0; - } - if (mdec->phase == 2) { - /* 等待鼠标第二字节的阶段 */ - mdec->buf[1] = dat; - mdec->phase = 3; - return 0; - } - if (mdec->phase == 3) { - /* 等待鼠标第二字节的阶段 */ - mdec->buf[2] = dat; - mdec->phase = 1; - return 1; - } - /* 应该不可能到这里来 */ - return -1; + if (mdec->phase == 0) { + /* 等待鼠标的0xfa的阶段 */ + if (dat == 0xfa) { + mdec->phase = 1; + } + return 0; + } + if (mdec->phase == 1) { + /* 等待鼠标第一字节的阶段 */ + mdec->buf[0] = dat; + mdec->phase = 2; + return 0; + } + if (mdec->phase == 2) { + /* 等待鼠标第二字节的阶段 */ + mdec->buf[1] = dat; + mdec->phase = 3; + return 0; + } + if (mdec->phase == 3) { + /* 等待鼠标第二字节的阶段 */ + mdec->buf[2] = dat; + mdec->phase = 1; + mdec->btn = mdec->buf[0] & 0x07; + mdec->x = mdec->buf[1]; + mdec->y = mdec->buf[2]; + if ((mdec->buf[0] & 0x10) != 0) { + mdec->x |= 0xffffff00; + } + if ((mdec->buf[0] & 0x20) != 0) { + mdec->y |= 0xffffff00; + } + /* 鼠标的y方向与画面符号相反 */ + mdec->y = - mdec->y; + return 1; + } + /* 应该不可能到这里来 */ + return -1; }