static void openconsole (void)
{
if (realconsole) {
if (debugger_type == 2) {
open_debug_window ();
consoleopen = 1;
} else {
close_debug_window ();
consoleopen = -1;
}
return;
}
if (debugger_active && (debugger_type < 0 || debugger_type == 2)) {
if (consoleopen > 0 || debuggerinitializing)
return;
if (debugger_type < 0) {
regqueryint (NULL, _T("DebuggerType"), &debugger_type);
if (debugger_type <= 0)
debugger_type = 2;
openconsole();
return;
}
close_console ();
if (open_debug_window ()) {
consoleopen = 1;
return;
}
open_console_window ();
} else {
if (consoleopen < 0)
return;
close_console ();
open_console_window ();
}
}
static void
doit (DDEV_REQ *packet)
{
switch (packet->header.msgtyp)
{
case DEV_OPN:
/* デバイスのオープン */
if (!initialized)
{
init_console ();
}
open_console (packet->header.mbfid, &(packet->body.opn_req));
break;
case DEV_CLS:
/* デバイスのクローズ */
close_console (packet->header.mbfid, &(packet->body.cls_req));
break;
case DEV_REA:
read_console (packet->header.mbfid, &(packet->body.rea_req));
break;
case DEV_WRI:
write_console (packet->header.mbfid, &(packet->body.wri_req));
break;
case DEV_CTL:
control_console (packet->header.mbfid, &(packet->body.ctl_req));
break;
}
}
static void swan_show_picture(const char *state, int reset)
{
unsigned int i;
struct cavan_input_service service;
close_console();
if (cavan_fb_bmp_view2(format_text(BMP_PATH "/%s.bmp", state), NULL) < 0) {
cavan_fb_bmp_view2(format_text(BACKUP_BMP_PATH "/%s.bmp", state), NULL);
}
if (reset == 0) {
sleep(5);
return;
}
print_string("Press \"Power\" reset the system");
cavan_input_service_init(&service, swan_keypad_match);
service.handler = swan_keypad_handler;
cavan_input_service_start(&service, NULL);
print_string("Press \"Enter\" into command line");
for (i = REBOOT_TIMEOUT; i > 0; i--) {
int c;
print("Reboot remain time %d(s) \r", i);
c = cavan_getchar_timed(1, 0);
if (c == '\n') {
cavan_input_service_stop(&service);
return;
}
}
println("\nSystem Rebooting ...");
sync();
reboot(RB_AUTOBOOT);
}
void HariMain(void)
{
/*
**最初的这部分变量没有通过内存管理来分配，它们本身属于操作系统的一部分，存在于bootpack.hrb所在的那块儿内存空间中
*/
BOOTINFO *binfo = (BOOTINFO *) ADR_BOOTINFO;
MOUSE_DECODE mouse_dec;
MEMMANAGE *memmanage = (MEMMANAGE *)MEMMANAGE_ADDR;
LAYER_MANAGE *layer_manage;
LAYER *layer_bg, *layer_mouse;
FIFO fifo_mutual; //缓冲区管理，所有中断公用的
FIFO keycmd_fifo;
TASK *task_a, *task_console[2], *task; //后面的那个task只是作为一个临时变量来用的
CONSOLE *console;
int fifobuf[128], keycmd_buf[32], *console_fifo[2]; //缓冲区
int mCursorX, mCursorY; //鼠标光标显示位置的横纵坐标
int key_shift = 0, key_ctrl = 0, key_leds = (binfo->leds >> 4) & 7, keycmd_wait = -1; //标志键盘输入到哪个窗口中
int j, x, y, last_mcursorX = -1, last_mcursorY= -1, tmp_layerX = 0; //last_mcursorX这两个变量记录的是鼠标移动之前的坐标
int new_mcursorX = 0, new_mcursorY = 0, new_layerX = 0x7fffffff, new_layerY = 0;
LAYER *layer = 0, *key_to_window; //key_to_window这个变量记录当前的键盘输入到哪个窗口中
unsigned int memory_total, i;
char buf_cursor[mCursorWidth * mCursorHeight];
unsigned char *buf_bg, *buf_console[2]; //屏幕的大背景会在init_screen的时候画出来，这里只需要一个指向它的指针即可
unsigned char strings[40];
mCursorX = binfo->scrnx / 2;
mCursorY = (binfo->scrny - 28)/ 2; //减去下方任务栏的高度
/*内存检查*/
i = memtest(0x00400000, 0xbfffffff) / (1024 * 1024); //i的单位是MB
/*内存管理*/
memmanage_init(memmanage);
memory_total = i * 1024 * 1024;
memmanage_free_4K(memmanage, 0x00001000, 0x0009e000);
memmanage_free_4K(memmanage, 0x00400000, memory_total - 0x00400000);
init_fifo(&keycmd_fifo, 32, keycmd_buf, 0);
/*初始化接收中断的缓冲区*/
init_fifo(&fifo_mutual, 128, fifobuf, 0); //初始化mouseFIFO缓冲区，现在还没任务，先指定为0
/*初始化GDT和IDT表以及PIC板的数据*/
init_GDTandIDT(); //初始化GDT和IDT表
init_pic(); //初始化PIC主从板数据，除了IRQ2禁止了全部中断
io_sti(); //开始接收中断
/*初始化PIT中断控制*/
init_PIT();
/*若要接收鼠标中断需要两个步骤，首先必须使鼠标控制电路（就是键盘控制电路的一部分）有效，然后要使鼠标本身有效*/
init_keyboard(&fifo_mutual, 256); //初始化键盘控制器电路
enable_mouse(&fifo_mutual, 512, &mouse_dec); //激活鼠标
/*开放各种中断*/
io_out8(PIC0_IMR, 0xf8); //PIC0开发IRQ(11111000)，开放IRQ0、IRQ1和IRQ2，定时器、键盘中断和从PIC板
io_out8(PIC1_IMR, 0xef); //PIC1开放IRQ(11101111)， 开放鼠标中断
/*初始化任务切换管理*/
task_a = task_init(memmanage); //这个task_a其实代表的就是这些鼠标键盘等的任务
fifo_mutual.task = task_a; //为鼠标键盘等的缓冲区指定唤醒任务为task_a
task_run(task_a, 1, 2);
/*初始化调色板，为图形界面做准备*/
init_palette(); //初始化调色板
/*初始化图层管理，并且初始化鼠标光标和背景的图层*/
layer_manage = layer_man_init(memmanage, binfo->vram, binfo->scrnx, binfo->scrny);
*((int *) 0x0fe4) = (int) layer_manage;
layer_bg = layer_alloc(layer_manage); //为背景分配图层
layer_mouse = layer_alloc(layer_manage); //为鼠标分配图层
buf_bg = (unsigned char *)memmanage_alloc_4K(memmanage, binfo->scrnx * binfo->scrny); //为背景图形的内容分配内存
/*为各个图形的图层内容进行设定*/
layer_set(layer_bg, buf_bg, binfo->scrnx, binfo->scrny, -1);
layer_set(layer_mouse, buf_cursor, 16, 16 ,99);
/*初始化整个桌面背景*/
init_screen(buf_bg, binfo->scrnx, binfo->scrny); //这个时候的init_screen不再是直接画出背景，而是在mBg内存地址中填写好背景内容
layer_slide(layer_bg, 0, 0); //把背景图层从(0,0)坐标开始画
/*初始化鼠标图标*/
init_mouse_cursor(buf_cursor, 99); //初始化鼠标光标
layer_slide(layer_mouse, mCursorX, mCursorY); //现在显示图形不需要再用displayShape函数了，直接用这个图层管理的绘图函数就行
/*执行两个命令行窗口任务*/
key_to_window = open_console(layer_manage, memory_total); //最初的时候由第一个console接收键盘输入
layer_slide(key_to_window, 8, 2);
/*设置好各个图层的高度*/
layer_switch(layer_bg, 0); //把背景图层调为最底层，高度为0
layer_switch(key_to_window, 1); //命令行窗口图层调节为第三层，高度为2
layer_switch(layer_mouse, 2); //鼠标图层调为最高层，高度为3
keywindow_on(key_to_window);
//
fifo_put(&keycmd_fifo, KEYCMD_LED);
fifo_put(&keycmd_fifo, key_leds);
*((int *) 0x0fec) = (int) &fifo_mutual;
for(;;)
{
if(fifo_status(&keycmd_fifo) > 0 && keycmd_wait < 0)
{
keycmd_wait = fifo_get(&keycmd_fifo);
wait_KBC_sendready();
io_out8(PORT_KEYDATA, keycmd_wait);
}
/*只有在从中断返回的缓冲区中读取数据的时候才需要禁止中断，因为如果这个时候来了中断而没有禁止的话，
**有可能读脏数据，即把还没有读出的数据的给抹掉或换成别的数据
*/
io_cli();
if(0 == fifo_status(&fifo_mutual)) //当前没有中断产生
{
//利用CPU空闲的时间来执行耗时的绘图工作(这样的话会造成反应很快的表象，但其实，如果中断很多，尤其是鼠标中断很多的时候，
//会把之前记录下的new_mcursorX覆盖掉，而只绘制最新的图层坐标)
if(new_mcursorX >= 0)
{
io_sti();
layer_slide(layer_mouse, new_mcursorX, new_mcursorY);
new_mcursorX = -1; //绘制完鼠标之后，就把它的坐标设置为负数，反正鼠标不会出去屏幕，为负数的时候就说明不需要重绘鼠标
}
//图层的横坐标为0x7fffffff的时候就不需要重绘了，这是作为一个标志的，它为其他值的时候就需要重绘了
else if(new_layerX != 0x7fffffff)
{
io_sti();
layer_slide(layer, new_layerX, new_layerY);
new_layerX = 0x7fffffff;
}
//如果不需要重绘鼠标和图层的话，就没有什么工作可做了，进入休眠就可以了
else
{
task_sleep(task_a); //如果没有需要处理的数据，就自己让自己休眠
/*上面的那个函数直接就跳转到另一个任务中去了，不过，因为每个人物的默认eflags都是开启中断的，
**所以不用担心，这个任务还是能被唤醒的，耳环醒后的第一个动作就是为了以防万一先开启中断
*/
io_sti(); //万一只有自己在运行的话，则无法睡眠，那么就执行hlt指令好了，这样省电嘛
}
}
else
{
i = fifo_get(&fifo_mutual);
io_sti();
//窗口被关闭的情况
if(0 != key_to_window && 0 == key_to_window->flags)
{
//如果当前画面上只剩下鼠标和背景的时候
if(1 == layer_manage->top)
{
key_to_window = 0;
}
else
{
key_to_window = layer_manage->layers_order[layer_manage->top - 1]; //当窗口被关闭的时候，自动切换成最上层的layer接收键盘输入
keywindow_on(key_to_window);
}
}
//如果是键盘中断的话，需要处理键盘发送来的中断数据
if((keyboard_offset <= i) && (i <= keyboard_offset + 255))
{
//判断shift键是否按下，然后使用不同的keytable表
if(i < 0x80 + keyboard_offset)
{
if(0 == key_shift)
{
strings[0] = key_table[i - keyboard_offset];
}
else
{
strings[0] = key_table_shift[i - keyboard_offset];
}
}
else
{
strings[0] = 0;
}
//判断Caps和Shift键的情况以确定输入大写还是小写字母
if('A' <= strings[0] && strings[0] <= 'Z')
{
//小写字母的情况
if((0 == (key_leds & 4) && 0 == key_shift) || (0 != (key_leds & 4) && 0 != key_shift))
{
strings[0] += 0x20;
}
}
//判断按下的字符是否为一般字符，0对应的字符不处理，对退格键和回车键加上了对应字符，他们对应的table表里的元素不再是0
if(strings[0] != 0 && key_to_window != 0)
{
fifo_put(&key_to_window->task->fifo, strings[0] + 256);
}
//如果按下了ctrl+d，就打开一个console
if(('D' == strings[0] || 'd' == strings[0]) && (0 != key_ctrl))
{
if(key_to_window != 0)
{
keywindow_off(key_to_window);
}
key_to_window = open_console(layer_manage, memory_total);
layer_slide(key_to_window, 300, 2);
layer_switch(key_to_window, layer_manage->top);
//自动把键盘输入切换到这个新打开的console中
keywindow_on(key_to_window);
}
//如果同时按下了ctrl+x，那么就关闭应用程序
if(('X' == strings[0] || 'x' == strings[0]) && (0 != key_ctrl) && key_to_window != 0)
{
task = key_to_window->task; //找到当前接收键盘输入的（即最前面的）图层所对应的任务
if(0 != task && task->tss.ss0 != 0)
{
console_putstring_toend(task->console, "\nTerminate program! :\n");
io_cli();
//让CPU直接跳转到console中执行，不再管应用程序，也就是所谓的停止应用程序继续运行
task->tss.eax = (int) &(task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti();
}
}
/*这些都是那些不能打印的特殊按键，它们对应的都是0*/
//按下“TAB键”的处理情况，切换输入窗口
if(i == keyboard_offset + 0x0f && key_to_window != 0)
{
//先让当前的窗口的光标OFF掉
keywindow_off(key_to_window);
j = key_to_window->height - 1;
if(0 == j)
{
//如果切换之后的图层是最底层的操作系统的图层，那么就切换成最上层的图层
j = layer_manage->top - 1;
}
key_to_window = layer_manage->layers_order[j];
//使切换到的窗口的光标ON
keywindow_on(key_to_window);
}
//左或右Ctrl ON
if(0x1d + keyboard_offset == i)
{
key_ctrl = 1;
}
//左或右Ctrl OFF
if(0x9d + keyboard_offset == i)
{
key_ctrl = 0;
}
//左shift ON
if(0x2a + keyboard_offset == i)
{
key_shift |= 1;
}
//右shift ON
if(0x36 + keyboard_offset == i)
{
key_shift |= 2;
}
//左shift OFF
if(0xaa + keyboard_offset == i)
{
key_shift &= ~1;
}
//左shift OFF
if(0xb6 + keyboard_offset == i)
{
key_shift &= ~2;
}
/*对各种锁定键的处理*/
//CapsLock键
if(i == keyboard_offset + 0x3a)
{
key_leds ^= 4;
fifo_put(&keycmd_fifo, KEYCMD_LED);
fifo_put(&keycmd_fifo, key_leds);
}
//NumLock键
if(i == keyboard_offset + 0x45)
{
key_leds ^= 2;
fifo_put(&keycmd_fifo, KEYCMD_LED);
fifo_put(&keycmd_fifo, key_leds);
}
//ScrollLock键
if(i == keyboard_offset + 0x46)
{
key_leds ^= 1;
fifo_put(&keycmd_fifo, KEYCMD_LED);
fifo_put(&keycmd_fifo, key_leds);
}
//键盘成功接收到数据
if(i == keyboard_offset + 0xfa)
{
keycmd_wait = -1;
}
//键盘没有成功接收到数据
if(i == keyboard_offset + 0xfe)
{
wait_KBC_sendready();
io_out8(PORT_KEYDATA, keycmd_wait);
}
}
//如果是鼠标中断的话，需要处理鼠标发送来的中断数据
else if((mouse_offset <= i) && (i <= mouse_offset + 255))
{
if(0 != mouse_decode(&mouse_dec, i - mouse_offset)) //只有返回值为1的时候才说明成功接收完成一次鼠标的中断
{
/*鼠标的移动*/
//根据mouse_dec里存储的鼠标信息画出新的鼠标图像
mCursorX += mouse_dec.x;
mCursorY += mouse_dec.y;
//不能让鼠标移出画面
if(mCursorX < 0)
{
mCursorX = 0;
}
if(mCursorY < 0)
{
mCursorY = 0;
}
if(mCursorX > binfo->scrnx - 1)
{
mCursorX = binfo->scrnx - 1;
}
if(mCursorY > binfo->scrny - 1)
{
mCursorY = binfo->scrny - 1;
}
//记录下鼠标光标的移动到的位置，等待fifo中为空的时候开始绘图
new_mcursorX = mCursorX;
new_mcursorY = mCursorY;
//按下了左键
if(0 != (mouse_dec.btn & 0x01))
{
//如果last_mcursorX小于0，说明当前不是处于窗口移动模式，那么就需要检查现在鼠标按下左键之后有没有落在某个图层的标题栏上
if(last_mcursorX < 0)
{
for(j = layer_manage->top - 1; j > 0; j--)
{
layer = layer_manage->layers_order[j];
//计算一下鼠标的坐标在不在这个图层里面
x = mCursorX - layer->x;
y = mCursorY - layer->y;
if(0 <= x && x < layer->length && 0 <= y && y <= layer->width)
{
//鼠标所在区域也不能是涂层的透明区域
if(layer->buffer[y * layer->length + x] != layer->color_luc)
{
layer_switch(layer, layer_manage->top - 1);
//如果当前的layer不是接收键盘输入的图层（即最前面的图层），那么就需要切换
if(layer != key_to_window)
{
//鼠标左击窗口所做的事情跟按下TAB键的事情差不多
keywindow_off(key_to_window);
key_to_window = layer;
keywindow_on(key_to_window);
}
//查看鼠标当前点击的区域是不是窗口的标题栏，并且不能是关闭按钮所在的区域
if(3 <= x && x < layer->length - 21 && 3 <= y && y <= 21)
{
last_mcursorX = mCursorX;
last_mcursorY = mCursorY;
tmp_layerX = layer->x; //这个tmp_layerX只是个要绘制的图层横坐标的过渡部分，真正的坐标还需要处理
new_layerY = layer->y;
}
//这个是鼠标点击到关闭按钮的情况
if(layer->length - 21 <= x && x <= layer->length - 5 && 5 <= y && y <= 19)
{
//查看该窗口是否为应用程序的窗口，如果是应用程序产生的窗口而不是console的那个黑窗口，那么这个窗口的flags有0x10
if(0 != (layer->flags & 0x10))
{
//这部分处理跟按下ctrl+x的处理基本一样
task = layer->task;
console_putstring_toend(task->console, "Break by mouse!\n");
io_cli();
task->tss.eax = (int)&(task->tss.esp0);
task->tss.eip = (int)asm_end_app;
io_sti();
}
//不是应用程序的话就是console命令行窗口产生的layer
else
{
//不能再这里的task_a中直接关闭，因为还有些console自身管理的定时器和fat等东西无法释放了
task = layer->task;
io_cli();
fifo_put(&task->fifo, 4);
io_sti();
}
}
break;
}
}
}
}
//只要last_mcursorX大于0，说明当前处于窗口移动模式，说明当前鼠标正点击着某个图层的标题栏呢
else
{
x = mCursorX - last_mcursorX;
y = mCursorY - last_mcursorY;
new_layerX = (tmp_layerX + x + 2) & ~3;
new_layerY = new_layerY + y;
last_mcursorY = mCursorY; //更新到移动后的坐标
}
}
//如果当前没有按下左键，就把last_mcursorX设置为负数，作为当前不处于窗口移动的依据
else
{
last_mcursorX = -1;
if(0x7fffffff != new_layerX)
{
layer_slide(layer, new_layerX, new_layerY); //一旦鼠标不点击这窗口移动了，就立即最后一次绘制窗口并且停止窗口的移动
new_layerX = 0x7fffffff;
}
}
}
}
//收到这个之间的数据，说明是让关闭console的
else if(768 <= i && i <= 1023)
{
close_console(layer_manage->layers + (i - 768));
}
}
}
}
void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
struct SHTCTL *shtctl;
char s[40];
struct FIFO32 fifo, keycmd;
int fifobuf[128], keycmd_buf[32];
int mx, my, i, new_mx = -1, new_my = 0, new_wx = 0x7fffffff, new_wy = 0;
unsigned int memtotal;
struct MOUSE_DEC mdec;
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
unsigned char *buf_back, buf_mouse[256];
struct SHEET *sht_back, *sht_mouse;
struct TASK *task_a, *task;
static char keytable0[0x80] = {
0, 0, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0x08, 0,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0x0a, 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0, 0, ']', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0x5c, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x5c, 0, 0
};
static char keytable1[0x80] = {
0, 0, '!', 0x22, '#', '$', '%', '&', 0x27, '(', ')', '~', '=', '~', 0x08, 0,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '`', '{', 0x0a, 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', '+', '*', 0, 0, '}', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', '<', '>', '?', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, '_', 0, 0, 0, 0, 0, 0, 0, 0, 0, '|', 0, 0
};
int key_shift = 0, key_leds = (binfo->leds >> 4) & 7, keycmd_wait = -1;
int j, x, y, mmx = -1, mmy = -1, mmx2 = 0;
struct SHEET *sht = 0, *key_win;
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 */
fifo32_init(&fifo, 128, fifobuf, 0);
*((int *) 0x0fec) = (int) &fifo;
init_pit();
init_keyboard(&fifo, 256);
enable_mouse(&fifo, 512, &mdec);
io_out8(PIC0_IMR, 0xf8); /* PITとPIC1とキーボードを許可(11111000) */
io_out8(PIC1_IMR, 0xef); /* マウスを許可(11101111) */
fifo32_init(&keycmd, 32, keycmd_buf, 0);
memtotal = memtest(0x00400000, 0xbfffffff);
memman_init(memman);
memman_free(memman, 0x00001000, 0x0009e000); /* 0x00001000 - 0x0009efff */
memman_free(memman, 0x00400000, memtotal - 0x00400000);
init_palette();
shtctl = shtctl_init(memman, binfo->vram, binfo->scrnx, binfo->scrny);
task_a = task_init(memman);
fifo.task = task_a;
task_run(task_a, 1, 2);
*((int *) 0x0fe4) = (int) shtctl;
/* sht_back */
sht_back = sheet_alloc(shtctl);
buf_back = (unsigned char *) memman_alloc_4k(memman, binfo->scrnx * binfo->scrny);
sheet_setbuf(sht_back, buf_back, binfo->scrnx, binfo->scrny, -1); /* 透明色なし */
init_screen8(buf_back, binfo->scrnx, binfo->scrny);
/* sht_cons */
key_win = open_console(shtctl, memtotal);
/* sht_mouse */
sht_mouse = sheet_alloc(shtctl);
sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99);
init_mouse_cursor8(buf_mouse, 99);
mx = (binfo->scrnx - 16) / 2; /* 画面中央になるように座標計算 */
my = (binfo->scrny - 28 - 16) / 2;
sheet_slide(sht_back, 0, 0);
sheet_slide(key_win, 32, 4);
sheet_slide(sht_mouse, mx, my);
sheet_updown(sht_back, 0);
sheet_updown(key_win, 1);
sheet_updown(sht_mouse, 2);
keywin_on(key_win);
/* 最初にキーボード状態との食い違いがないように、設定しておくことにする */
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
for (;;) {
if (fifo32_status(&keycmd) > 0 && keycmd_wait < 0) {
/* キーボードコントローラに送るデータがあれば、送る */
keycmd_wait = fifo32_get(&keycmd);
wait_KBC_sendready();
io_out8(PORT_KEYDAT, keycmd_wait);
}
io_cli();
if (fifo32_status(&fifo) == 0) {
/* FIFOがからっぽになったので、保留している描画があれば実行する */
if (new_mx >= 0) {
io_sti();
sheet_slide(sht_mouse, new_mx, new_my);
new_mx = -1;
} else if (new_wx != 0x7fffffff) {
io_sti();
sheet_slide(sht, new_wx, new_wy);
new_wx = 0x7fffffff;
} else {
task_sleep(task_a);
io_sti();
}
} else {
i = fifo32_get(&fifo);
io_sti();
if (key_win != 0 && key_win->flags == 0) { /* ウィンドウが閉じられた */
if (shtctl->top == 1) { /* もうマウスと背景しかない */
key_win = 0;
} else {
key_win = shtctl->sheets[shtctl->top - 1];
keywin_on(key_win);
}
}
if (256 <= i && i <= 511) { /* キーボードデータ */
if (i < 0x80 + 256) { /* キーコードを文字コードに変換 */
if (key_shift == 0) {
s[0] = keytable0[i - 256];
} else {
s[0] = keytable1[i - 256];
}
} else {
s[0] = 0;
}
if ('A' <= s[0] && s[0] <= 'Z') { /* 入力文字がアルファベット */
if (((key_leds & 4) == 0 && key_shift == 0) ||
((key_leds & 4) != 0 && key_shift != 0)) {
s[0] += 0x20; /* 大文字を小文字に変換 */
}
}
if (s[0] != 0 && key_win != 0) { /* 通常文字、バックスペース、Enter */
fifo32_put(&key_win->task->fifo, s[0] + 256);
}
if (i == 256 + 0x0f && key_win != 0) { /* Tab */
keywin_off(key_win);
j = key_win->height - 1;
if (j == 0) {
j = shtctl->top - 1;
}
key_win = shtctl->sheets[j];
keywin_on(key_win);
}
if (i == 256 + 0x2a) { /* 左シフト ON */
key_shift |= 1;
}
if (i == 256 + 0x36) { /* 右シフト ON */
key_shift |= 2;
}
if (i == 256 + 0xaa) { /* 左シフト OFF */
key_shift &= ~1;
}
if (i == 256 + 0xb6) { /* 右シフト OFF */
key_shift &= ~2;
}
if (i == 256 + 0x3a) { /* CapsLock */
key_leds ^= 4;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x45) { /* NumLock */
key_leds ^= 2;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x46) { /* ScrollLock */
key_leds ^= 1;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x3b && key_shift != 0 && key_win != 0) { /* Shift+F1 */
task = key_win->task;
if (task != 0 && task->tss.ss0 != 0) {
cons_putstr0(task->cons, "\nBreak(key) :\n");
io_cli(); /* 強制終了処理中にタスクが変わると困るから */
task->tss.eax = (int) &(task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti();
}
}
if (i == 256 + 0x3c && key_shift != 0) { /* Shift+F2 */
/* 新しく作ったコンソールを入力選択状態にする（そのほうが親切だよね？） */
if (key_win != 0) {
keywin_off(key_win);
}
key_win = open_console(shtctl, memtotal);
sheet_slide(key_win, 32, 4);
sheet_updown(key_win, shtctl->top);
keywin_on(key_win);
}
if (i == 256 + 0x57) { /* F11 */
sheet_updown(shtctl->sheets[1], shtctl->top - 1);
}
if (i == 256 + 0xfa) { /* キーボードがデータを無事に受け取った */
keycmd_wait = -1;
}
if (i == 256 + 0xfe) { /* キーボードがデータを無事に受け取れなかった */
wait_KBC_sendready();
io_out8(PORT_KEYDAT, keycmd_wait);
}
} else if (512 <= i && i <= 767) { /* マウスデータ */
if (mouse_decode(&mdec, i - 512) != 0) {
/* マウスカーソルの移動 */
mx += mdec.x;
my += mdec.y;
if (mx < 0) {
mx = 0;
}
if (my < 0) {
my = 0;
}
if (mx > binfo->scrnx - 1) {
mx = binfo->scrnx - 1;
}
if (my > binfo->scrny - 1) {
my = binfo->scrny - 1;
}
new_mx = mx;
new_my = my;
if ((mdec.btn & 0x01) != 0) {
/* 左ボタンを押している */
if (mmx < 0) {
/* 通常モードの場合 */
/* 上の下じきから順番にマウスが指している下じきを探す */
for (j = shtctl->top - 1; j > 0; j--) {
sht = shtctl->sheets[j];
x = mx - sht->vx0;
y = my - sht->vy0;
if (0 <= x && x < sht->bxsize && 0 <= y && y < sht->bysize) {
if (sht->buf[y * sht->bxsize + x] != sht->col_inv) {
sheet_updown(sht, shtctl->top - 1);
if (sht != key_win) {
keywin_off(key_win);
key_win = sht;
keywin_on(key_win);
}
if (3 <= x && x < sht->bxsize - 3 && 3 <= y && y < 21) {
mmx = mx; /* ウィンドウ移動モードへ */
mmy = my;
mmx2 = sht->vx0;
new_wy = sht->vy0;
}
if (sht->bxsize - 21 <= x && x < sht->bxsize - 5 && 5 <= y && y < 19) {
/* 「×」ボタンクリック */
if ((sht->flags & 0x10) != 0) { /* アプリが作ったウィンドウか？ */
task = sht->task;
cons_putstr0(task->cons, "\nBreak(mouse) :\n");
io_cli(); /* 強制終了処理中にタスクが変わると困るから */
task->tss.eax = (int) &(task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti();
}
}
break;
}
}
}
} else {
/* ウィンドウ移動モードの場合 */
x = mx - mmx; /* マウスの移動量を計算 */
y = my - mmy;
new_wx = (mmx2 + x + 2) & ~3;
new_wy = new_wy + y;
mmy = my; /* 移動後の座標に更新 */
}
} else {
/* 左ボタンを押していない */
mmx = -1; /* 通常モードへ */
if (new_wx != 0x7fffffff) {
sheet_slide(sht, new_wx, new_wy); /* 一度確定させる */
new_wx = 0x7fffffff;
}
}
}
} else if (768 <= i && i <= 1023) { /* コンソール終了処理 */
close_console(shtctl->sheets0 + (i - 768));
}
}
}
}
void FrameBuffer::close(void)
{
close_framebuffer();
close_console();
}
void HariMain(void)
{
int i;
int mmx = -1, mmy = -1, mmx2 = 0;
struct SHEET *sht = 0, *key_win;
struct BOOTINFO *binfo = (struct BOOTINFO *)0x0ff0;
int xsize = (*binfo).scrnx;
int ysize = (*binfo).scrny;
int mx = xsize/2;
int my = ysize/2;
int new_mx = -1, new_my = 0, new_wx = 0x7fffffff, new_wy = 0;
int fifobuf[128], keycmd_buf[32], *cons_fifo[2];
struct MOUSE_DEC mdec;
unsigned char s[32];
unsigned int memtotal;
struct MEMMAN *memman = (struct MEMMAN *)MEMMAN_ADDR;
int key_shift = 0, key_leds = (binfo->leds >> 4) & 7, keycmd_wait = -1;
struct SHTCTL *shtctl;
struct SHEET *sht_back, *sht_mouse;
unsigned char *buf_back, buf_mouse[256], *buf_cons[2];
struct TIMER *timer;
struct FIFO32 fifo, keycmd;
struct TASK *task_a, *task_cons[2];
static char keytable0[0x80] = {
0, 0, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0x08, 0,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0x0a, 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0, 0, ']', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0x5c, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x5c, 0, 0
};
static char keytable1[0x80] = {
0, 0, '!', 0x22, '#', '$', '%', '&', 0x27, '(', ')', '~', '=', '~', 0x08, 0,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '`', '{', 0x0a, 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', '+', '*', 0, 0, '}', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', '<', '>', '?', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, '_', 0, 0, 0, 0, 0, 0, 0, 0, 0, '|', 0, 0
};
init_gdtidt ();
init_pic ();
io_sti ();
fifo32_init(&fifo, 32, fifobuf, 0);
fifo32_init(&keycmd, 32, keycmd_buf, 0);
init_pit();
io_out8(PIC0_IMR, 0xf8); /* Allow PIT and Keyboard (11111000) */
io_out8(PIC1_IMR, 0xef); /* Allow Mouse (11101111) */
init_keyboard (&fifo, 256);
enable_mouse (&fifo, 512, &mdec);
timer = timer_alloc();
timer_init(timer, &fifo, 1);
timer_settime(timer, 50);
memtotal = memtest(0x00400000, 0xbfffffff);
memman_init (memman);
memman_free (memman, 0x00001000, 0x009e000); /* 0x00001000 - 0x0009efff */
memman_free (memman, 0x00400000, memtotal - 0x00400000);
init_pallete();
shtctl = shtctl_init (memman, binfo->vram, binfo->scrnx, binfo->scrny);
sht_back = sheet_alloc(shtctl);
sht_mouse = sheet_alloc(shtctl);
buf_back = (unsigned char *)memman_alloc_4k (memman, binfo->scrnx * binfo->scrny);
sheet_setbuf (sht_back, buf_back, binfo->scrnx, binfo->scrny, -1);
sheet_setbuf (sht_mouse, buf_mouse, 16, 16, 99);
init_screen (buf_back, xsize, ysize);
init_mouse_cursor8 (buf_mouse, 99);
*((int *) 0x0fec) = (int) &fifo;
//=====================
// Task Settings
//=====================
task_a = task_init(memman);
fifo.task = task_a;
task_run (task_a, 1, 0);
/* console sheet */
key_win = open_console (shtctl, memtotal);
//=======================
// Sheet Setting
//=======================
*((int *) 0x0fe4) = (int) shtctl;
sheet_slide (sht_back, 0, 0);
sheet_slide (key_win, 32, 4);
sheet_slide (sht_mouse, mx, my);
sheet_updown (sht_back, 0);
sheet_updown (key_win, 1);
sheet_updown (sht_mouse, 2);
sheet_refresh (sht_back, 0, 0, binfo->scrnx, 48);
keywin_on (key_win);
fifo32_put (&keycmd, KEYCMD_LED);
fifo32_put (&keycmd, key_leds);
for (;;) {
if (fifo32_status(&keycmd) > 0 && keycmd_wait < 0) {
keycmd_wait = fifo32_get(&keycmd);
wait_KBC_sendready ();
io_out8(PORT_KEYDAT, keycmd_wait);
}
io_cli();
if (fifo32_status(&fifo) == 0) {
/* execute draw if FIFO is empty */
if (new_mx >= 0) {
io_sti ();
sheet_slide (sht_mouse, new_mx, new_my);
new_mx = -1;
} else if (new_wx != 0x7fffffff) {
io_sti ();
sheet_slide (sht, new_wx, new_wy);
new_wx = 0x7fffffff;
} else {
task_sleep(task_a);
io_sti();
}
} else {
i = fifo32_get(&fifo);
io_sti();
if (key_win != 0 && key_win->flags == 0) { // input Window is closed
if (shtctl->top == 1) { // ony mouse and background
key_win = 0;
} else {
key_win = shtctl->sheets[shtctl->top - 1];
keywin_on (key_win);
}
}
if (256 <= i && i <= 511) { // Keyboard Data
if (i < 0x80 + 256) {
if (key_shift == 0) {
s[0] = keytable0[i - 256];
} else {
s[0] = keytable1[i - 256];
}
} else {
s[0] = 0;
}
if ('A' <= s[0] && s[0] <= 'Z') {
if (((key_leds & 4) == 0 && key_shift == 0) ||
((key_leds & 4) != 0 && key_shift != 0)) {
s[0] += 0x20;
}
}
if (s[0] != 0 && key_win != 0) {
fifo32_put(&key_win->task->fifo, s[0] + 256);
}
if (i == 256 + 0x0f && key_win != 0) { // Tab
keywin_off (key_win);
int j = key_win->height - 1;
if (j == 0) {
j = shtctl->top - 1;
}
key_win = shtctl->sheets[j];
keywin_on (key_win);
}
if (i == 256 + 0x2a) { // Left Shift ON
key_shift |= 1;
}
if (i == 256 + 0x36) { // Right Shift ON
key_shift |= 2;
}
if (i == 256 + 0xaa) { // Left Shift OFF
key_shift &= ~1;
}
if (i == 256 + 0xb6) { // Right Shift ON
key_shift &= ~2;
}
if (i == 256 + 0x3a) { // CapsLock
key_leds ^= 4;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x45) { // NumLock
key_leds ^= 2;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x46) { // ScrollLock
key_leds ^= 1;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x3b && key_shift != 0 && key_win != 0) {
struct TASK *task = key_win->task;
if (task != 0 && task->tss.ss0 != 0) { /* Shift+F1 */
cons_putstr0 (task->cons, "\nBreak(key) : \n");
io_cli ();
task->tss.eax = (int) &(task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti ();
}
}
if (i == 256 + 0x3c && key_shift != 0) { /* Shift+F2 */
if (key_win != 0) {
keywin_off (key_win);
}
key_win = open_console (shtctl, memtotal);
sheet_slide (key_win, 32, 4);
sheet_updown (key_win, shtctl->top);
keywin_on (key_win);
}
if (i == 256 + 0x57) { /* F11 */
sheet_updown (shtctl->sheets[1], shtctl->top-1);
}
if (i == 256 + 0xfa) { // KeyBoard receive Data
keycmd_wait = -1;
}
if (i == 256 + 0xfe) { // KeyBoard failed to receive Data
wait_KBC_sendready ();
io_out8(PORT_KEYDAT, keycmd_wait);
}
} else if (512 <= i && i <= 767) { // Mouse Data
if (mouse_decode(&mdec, i-512) != 0) {
mx += mdec.x;
my += mdec.y;
if (mx < 0) { mx = 0; } if (mx > binfo->scrnx - 1) { mx = binfo->scrnx - 1; }
if (my < 0) { my = 0; } if (my > binfo->scrny - 1) { my = binfo->scrny - 1; }
// sprintf(s, "(%d, %d)", mx, my);
// putfonts8_asc_sht (sht_back, 0, 0, COL8_FFFFFF, COL8_008484, s, 10);
sheet_slide (sht_mouse, mx, my);
new_mx = mx;
new_my = my;
if ((mdec.btn & 0x01) != 0) {
/* Left Mouse Button is down */
if (mmx < 0) {
/* Normal Mode */
for (int j = shtctl->top - 1; j > 0; j--) {
sht = shtctl->sheets[j];
int x = mx - sht->vx0;
int y = my - sht->vy0;
if (0 <= x && x < sht->bxsize && 0 <= y && y < sht->bysize) {
if (sht->buf[y * sht->bxsize + x] != sht->col_inv) {
sheet_updown (sht, shtctl->top - 1);
if (sht != key_win) {
keywin_off (key_win);
key_win = sht;
keywin_on (key_win);
}
if (3 <= x && x < sht->bxsize - 3 && 3 <= y && y < 21) {
mmx = mx;
mmy = my;
mmx2 = sht->vx0;
new_wy = sht->vy0;
}
if (sht->bxsize - 21 <= x && x < sht->bxsize - 5 && 5 <= y && y < 19) {
if ((sht->flags & 0x10) != 0) {
struct TASK *task = sht->task;
cons_putstr0 (task->cons, "\nBreak(mouse) :\n");
io_cli ();
task->tss.eax = (int) & (task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti ();
} else {
struct TASK *task = sht->task;
io_cli ();
fifo32_put (&task->fifo, 4);
io_sti ();
}
}
break;
}
}
}
} else {
// Moving window mode
int x = mx - mmx;
int y = my - mmy;
new_wx = (mmx2 + x + 2) & ~3;
new_wy = new_wy + y;
mmy = my;
}
} else {
mmx = -1;
if (new_wx != 0x7fffffff) {
sheet_slide (sht, new_wx, new_wy);
new_wx = 0x7fffffff;
}
}
}
} else if (768 <= i && i <= 1023) {
close_console (shtctl->sheets0 + (i - 768));
} else if (1024 <= i && i < 2023) {
close_constask (taskctl->tasks0 + (i - 1024));
}
}
}
}
void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
struct SHTCTL *shtctl;
char s[40];
struct FIFO32 fifo, keycmd;
int fifobuf[128], keycmd_buf[32];
int mx, my, i, new_mx = -1, new_my = 0, new_wx = 0x7fffffff, new_wy = 0;
unsigned int memtotal;
struct MOUSE_DEC mdec;
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
unsigned char *buf_back, buf_mouse[256];
struct SHEET *sht_back, *sht_mouse;
struct TASK *task_a, *task;
static char keytable0[0x80] = {
0, 0, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0x08, 0,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0x0a, 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0, 0, ']', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0x5c, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x5c, 0, 0
};
static char keytable1[0x80] = {
0, 0, '!', 0x22, '#', '$', '%', '&', 0x27, '(', ')', '~', '=', '~', 0x08, 0,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '`', '{', 0x0a, 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', '+', '*', 0, 0, '}', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', '<', '>', '?', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
'2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, '_', 0, 0, 0, 0, 0, 0, 0, 0, 0, '|', 0, 0
};
int key_shift = 0, key_leds = (binfo->leds >> 4) & 7, keycmd_wait = -1;
int j, x, y, mmx = -1, mmy = -1, mmx2 = 0;
struct SHEET *sht = 0, *key_win, *sht2;
int *fat;
unsigned char *nihongo;
struct FILEINFO *finfo;
extern char hankaku[4096];
init_gdtidt();
init_pic();
io_sti(); /* IDT/PIC的初始化已经完成，于是开放CPU的中断 */
fifo32_init(&fifo, 128, fifobuf, 0);
*((int *) 0x0fec) = (int) &fifo;
init_pit();
init_keyboard(&fifo, 256);
enable_mouse(&fifo, 512, &mdec);
io_out8(PIC0_IMR, 0xf8); /* 设定PIT和PIC1以及键盘为许可(11111000) */
io_out8(PIC1_IMR, 0xef); /* 开放鼠标中断(11101111) */
fifo32_init(&keycmd, 32, keycmd_buf, 0);
memtotal = memtest(0x00400000, 0xbfffffff);
memman_init(memman);
memman_free(memman, 0x00001000, 0x0009e000); /* 0x00001000 - 0x0009efff */
memman_free(memman, 0x00400000, memtotal - 0x00400000);
init_palette();
shtctl = shtctl_init(memman, binfo->vram, binfo->scrnx, binfo->scrny);
task_a = task_init(memman);
fifo.task = task_a;
task_run(task_a, 1, 2);
*((int *) 0x0fe4) = (int) shtctl;
task_a->langmode = 0;
/* sht_back */
sht_back = sheet_alloc(shtctl);
buf_back = (unsigned char *) memman_alloc_4k(memman, binfo->scrnx * binfo->scrny);
sheet_setbuf(sht_back, buf_back, binfo->scrnx, binfo->scrny, -1); /* 无透明色 */
init_screen8(buf_back, binfo->scrnx, binfo->scrny);
/* sht_cons */
key_win = open_console(shtctl, memtotal);
/* sht_mouse */
sht_mouse = sheet_alloc(shtctl);
sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99);
init_mouse_cursor8(buf_mouse, 99);
mx = (binfo->scrnx - 16) / 2; /* 计算坐标使其位于画面中央 */
my = (binfo->scrny - 28 - 16) / 2;
sheet_slide(sht_back, 0, 0);
sheet_slide(key_win, 32, 4);
sheet_slide(sht_mouse, mx, my);
sheet_updown(sht_back, 0);
sheet_updown(key_win, 1);
sheet_updown(sht_mouse, 2);
keywin_on(key_win);
/* 为了避免和键盘当前状态冲突，在一开始先进行设置 */
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
/* 载入nihongo.fnt */
fat = (int *) memman_alloc_4k(memman, 4 * 2880);
file_readfat(fat, (unsigned char *) (ADR_DISKIMG + 0x000200));
finfo = file_search("nihongo.fnt", (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
if (finfo != 0) {
i = finfo->size;
nihongo = file_loadfile2(finfo->clustno, &i, fat);
} else {
nihongo = (unsigned char *) memman_alloc_4k(memman, 16 * 256 + 32 * 94 * 47);
for (i = 0; i < 16 * 256; i++) {
nihongo[i] = hankaku[i]; /*没有字库，半角部分直接复制英文字库*/
}
for (i = 16 * 256; i < 16 * 256 + 32 * 94 * 47; i++) {
nihongo[i] = 0xff; /* 没有字库，全角部分以0xff填充 */
}
}
*((int *) 0x0fe8) = (int) nihongo;
memman_free_4k(memman, (int) fat, 4 * 2880);
for (;;) {
if (fifo32_status(&keycmd) > 0 && keycmd_wait < 0) {
/* 如果存在向键盘控制器发送的数据，则发送它 */
keycmd_wait = fifo32_get(&keycmd);
wait_KBC_sendready();
io_out8(PORT_KEYDAT, keycmd_wait);
}
io_cli();
if (fifo32_status(&fifo) == 0) {
/* FIFO为空，当存在搁置的绘图操作时立即执行*/
if (new_mx >= 0) {
io_sti();
sheet_slide(sht_mouse, new_mx, new_my);
new_mx = -1;
} else if (new_wx != 0x7fffffff) {
io_sti();
sheet_slide(sht, new_wx, new_wy);
new_wx = 0x7fffffff;
} else {
task_sleep(task_a);
io_sti();
}
} else {
i = fifo32_get(&fifo);
io_sti();
if (key_win != 0 && key_win->flags == 0) { /*窗口被关闭*/
if (shtctl->top == 1) { /*当画面上只剩鼠标和背景时*/
key_win = 0;
} else {
key_win = shtctl->sheets[shtctl->top - 1];
keywin_on(key_win);
}
}
if (256 <= i && i <= 511) { /* 键盘数据*/
if (i < 0x80 + 256) { /*将按键编码转换为字符编码*/
if (key_shift == 0) {
s[0] = keytable0[i - 256];
} else {
s[0] = keytable1[i - 256];
}
} else {
s[0] = 0;
}
if ('A' <= s[0] && s[0] <= 'Z') { /*当输入字符为英文字母时*/
if (((key_leds & 4) == 0 && key_shift == 0) ||
((key_leds & 4) != 0 && key_shift != 0)) {
s[0] += 0x20; /*将大写字母转换为小写字母*/
}
}
if (s[0] != 0 && key_win != 0) { /*一般字符、退格键、回车键*/
fifo32_put(&key_win->task->fifo, s[0] + 256);
}
if (i == 256 + 0x0f && key_win != 0) { /* Tab键 */
keywin_off(key_win);
j = key_win->height - 1;
if (j == 0) {
j = shtctl->top - 1;
}
key_win = shtctl->sheets[j];
keywin_on(key_win);
}
if (i == 256 + 0x2a) { /*左Shift ON */
key_shift |= 1;
}
if (i == 256 + 0x36) { /*右Shift ON */
key_shift |= 2;
}
if (i == 256 + 0xaa) { /*左Shift OFF */
key_shift &= ~1;
}
if (i == 256 + 0xb6) { /*右Shift OFF */
key_shift &= ~2;
}
if (i == 256 + 0x3a) { /* CapsLock */
key_leds ^= 4;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x45) { /* NumLock */
key_leds ^= 2;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x46) { /* ScrollLock */
key_leds ^= 1;
fifo32_put(&keycmd, KEYCMD_LED);
fifo32_put(&keycmd, key_leds);
}
if (i == 256 + 0x3b && key_shift != 0 && key_win != 0) { /* Shift+F1 */
task = key_win->task;
if (task != 0 && task->tss.ss0 != 0) {
cons_putstr0(task->cons, "\nBreak(key) :\n");
io_cli(); /*强制结束处理时禁止任务切换*/
task->tss.eax = (int) &(task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti();
task_run(task, -1, 0); /*为了确实执行结束处理，如果处于休眠状态则唤醒*/
}
}
if (i == 256 + 0x3c && key_shift != 0) { /* Shift+F2 */
if (key_win != 0) {
keywin_off(key_win);
}
key_win = open_console(shtctl, memtotal);
sheet_slide(key_win, 32, 4);
sheet_updown(key_win, shtctl->top);
keywin_on(key_win);
}
if (i == 256 + 0x57) { /* F11 */
sheet_updown(shtctl->sheets[1], shtctl->top - 1);
}
if (i == 256 + 0xfa) { /*键盘成功接收到数据*/
keycmd_wait = -1;
}
if (i == 256 + 0xfe) { /*键盘没有成功接收到数据*/
wait_KBC_sendready();
io_out8(PORT_KEYDAT, keycmd_wait);
}
} else if (512 <= i && i <= 767) { /* 鼠标数据*/
if (mouse_decode(&mdec, i - 512) != 0) {
/* 已经收集了3字节的数据，移动光标 */
mx += mdec.x;
my += mdec.y;
if (mx < 0) {
mx = 0;
}
if (my < 0) {
my = 0;
}
if (mx > binfo->scrnx - 1) {
mx = binfo->scrnx - 1;
}
if (my > binfo->scrny - 1) {
my = binfo->scrny - 1;
}
new_mx = mx;
new_my = my;
if ((mdec.btn & 0x01) != 0) { /* 按下左键 */
if (mmx < 0) {
/*如果处于通常模式*/
/*按照从上到下的顺序寻找鼠标所指向的图层*/
for (j = shtctl->top - 1; j > 0; j--) {
sht = shtctl->sheets[j];
x = mx - sht->vx0;
y = my - sht->vy0;
if (0 <= x && x < sht->bxsize && 0 <= y && y < sht->bysize) {
if (sht->buf[y * sht->bxsize + x] != sht->col_inv) {
sheet_updown(sht, shtctl->top - 1);
if (sht != key_win) {
keywin_off(key_win);
key_win = sht;
keywin_on(key_win);
}
if (3 <= x && x < sht->bxsize - 3 && 3 <= y && y < 21) {
mmx = mx; /*进入窗口移动模式*/
mmy = my;
mmx2 = sht->vx0;
new_wy = sht->vy0;
}
if (sht->bxsize - 21 <= x && x < sht->bxsize - 5 && 5 <= y && y < 19) {
/*点击“×”按钮*/
if ((sht->flags & 0x10) != 0) { /*该窗口是否为应用程序窗口？*/
task = sht->task;
cons_putstr0(task->cons, "\nBreak(mouse) :\n");
io_cli(); /*强制结束处理时禁止任务切换*/
task->tss.eax = (int) &(task->tss.esp0);
task->tss.eip = (int) asm_end_app;
io_sti();
task_run(task, -1, 0);
} else { /*命令行窗口*/
task = sht->task;
sheet_updown(sht, -1); /*暂且隐藏该图层*/
keywin_off(key_win);
key_win = shtctl->sheets[shtctl->top - 1];
keywin_on(key_win);
io_cli();
fifo32_put(&task->fifo, 4);
io_sti();
}
}
break;
}
}
}
} else {
/*如果处于窗口移动模式*/
x = mx - mmx; /*计算鼠标指针移动量*/
y = my - mmy;
new_wx = (mmx2 + x + 2) & ~3;
new_wy = new_wy + y;
mmy = my;
}
} else {
/*没有按下左键*/
mmx = -1; /*切换到一般模式*/
if (new_wx != 0x7fffffff) {
sheet_slide(sht, new_wx, new_wy); /*固定图层位置*/
new_wx = 0x7fffffff;
}
}
}
} else if (768 <= i && i <= 1023) { /*命令行窗口关闭处理*/
close_console(shtctl->sheets0 + (i - 768));
} else if (1024 <= i && i <= 2023) {
close_constask(taskctl->tasks0 + (i - 1024));
} else if (2024 <= i && i <= 2279) { /*只关闭命令行窗口*/
sht2 = shtctl->sheets0 + (i - 2024);
memman_free_4k(memman, (int) sht2->buf, 256 * 165);
sheet_free(sht2);
}
}
}
}
