提高窗口移动速度（4）

25_day/bootpack.c

@@ -124,7 +124,7 @@ void HariMain(void)
 
 	for (;;) {
 		if (fifo32_status(&keycmd) > 0 && keycmd_wait < 0) {
-			/* <EFBFBD>L<EFBFBD>[<5B>{<7B>[<5B>h<EFBFBD>R<EFBFBD><52><EFBFBD>g<EFBFBD><67><EFBFBD>[<5B><><EFBFBD>ɑ<EFBFBD><C991><EFBFBD>f<EFBFBD>[<5B>^<5E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>΁A<CE81><41><EFBFBD><EFBFBD> */
+			/* 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);

26_day/bootpack.c

@@ -15,7 +15,7 @@ void HariMain(void)
 	char s[40];
 	struct FIFO32 fifo, keycmd;
 	int fifobuf[128], keycmd_buf[32], *cons_fifo[2];
-	int mx, my, i;
+	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;
@@ -43,7 +43,7 @@ void HariMain(void)
 		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;
+	int j, x, y, mmx = -1, mmy = -1, mmx2 = 0;
 	struct SHEET *sht = 0, *key_win;
 
 	init_gdtidt();
@@ -124,15 +124,26 @@ void HariMain(void)
 
 	for (;;) {
 		if (fifo32_status(&keycmd) > 0 && keycmd_wait < 0) {
-			/* <EFBFBD>L<EFBFBD>[<5B>{<7B>[<5B>h<EFBFBD>R<EFBFBD><52><EFBFBD>g<EFBFBD><67><EFBFBD>[<5B><><EFBFBD>ɑ<EFBFBD><C991><EFBFBD>f<EFBFBD>[<5B>^<5E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>΁A<CE81><41><EFBFBD><EFBFBD> */
+			/* 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) {
-			task_sleep(task_a);
-			io_sti();
+			/* 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();
@@ -232,7 +243,8 @@ void HariMain(void)
 					if (my > binfo->scrny - 1) {
 						my = binfo->scrny - 1;
 					}
-					sheet_slide(sht_mouse, mx, my);/* 包含sheet_refresh含sheet_refresh */
+					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*/
@@ -252,6 +264,8 @@ void HariMain(void)
 										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*/
@@ -270,15 +284,19 @@ void HariMain(void)
 							}
 						} else {
 							/*如果处于窗口移动模式*/
-							x = mx - mmx; /*计算鼠标的移动距离*/
+							x = mx - mmx; /*计算鼠标指针移动量*/
 							y = my - mmy;
-							sheet_slide(sht, sht->vx0 + x, sht->vy0 + y);
-							mmx = mx; /*更新为移动后的坐标*/
+							new_wx = (mmx2 + x + 2) & ~3;
+							new_wy = new_wy + y; 
 							mmy = my;
 						}
 					} else {
 						/*没有按下左键*/
-						mmx = -1;	/*返回通常模式*/
+						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;
+						} 
 					}
 				}
 			}

26_day/console.c

@@ -347,7 +347,7 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 		sht->flags |= 0x10;
 		sheet_setbuf(sht, (char *) ebx + ds_base, esi, edi, eax);
 		make_window8((char *) ebx + ds_base, esi, edi, (char *) ecx + ds_base, 0);
-		sheet_slide(sht, (shtctl->xsize - esi) / 2, (shtctl->ysize - edi) / 2);
+		sheet_slide(sht, ((shtctl->xsize - esi) / 2) & ~3, (shtctl->ysize - edi) / 2);
 		sheet_updown(sht, shtctl->top); /*将窗口图层高度指定为当前鼠标所在图层的高度，鼠标移到上层*/
 		reg[7] = (int) sht;
 	} else if (edx == 6) {

26_day/sheet.c

@@ -56,7 +56,7 @@ void sheet_setbuf(struct SHEET *sht, unsigned char *buf, int xsize, int ysize, i
 
 void sheet_refreshmap(struct SHTCTL *ctl, int vx0, int vy0, int vx1, int vy1, int h0)
 {
-	int h, bx, by, vx, vy, bx0, by0, bx1, by1;
+	int h, bx, by, vx, vy, bx0, by0, bx1, by1, sid4, *p;;
 	unsigned char *buf, sid, *map = ctl->map;
 	struct SHEET *sht;
 	if (vx0 < 0) { vx0 = 0; }
@@ -76,12 +76,26 @@ void sheet_refreshmap(struct SHTCTL *ctl, int vx0, int vy0, int vx1, int vy1, in
 		if (bx1 > sht->bxsize) { bx1 = sht->bxsize; }
 		if (by1 > sht->bysize) { by1 = sht->bysize; }
 		if (sht->col_inv == -1) {
-			/*无透明色图层专用的高速版*/
-			for (by = by0; by < by1; by++) {
-				vy = sht->vy0 + by;
-				for (bx = bx0; bx < bx1; bx++) {
-					vx = sht->vx0 + bx;
-					map[vy * ctl->xsize + vx] = sid;
+			if ((sht->vx0 & 3) == 0 && (bx0 & 3) == 0 && (bx1 & 3) == 0) {
+				/*无透明色图层专用的高速版（4字节型）*/
+				bx1 = (bx1 - bx0) / 4; /* MOV次数*/
+				sid4 = sid | sid << 8 | sid << 16 | sid << 24;
+				for (by = by0; by < by1; by++) {
+					vy = sht->vy0 + by;
+					vx = sht->vx0 + bx0;
+					p = (int *) &map[vy * ctl->xsize + vx];
+					for (bx = 0; bx < bx1; bx++) {
+						p[bx] = sid4;
+					}
+				}
+			} else {
+				/*无透明色图层专用的高速版（1字节型）*/
+				for (by = by0; by < by1; by++) {
+					vy = sht->vy0 + by;
+					for (bx = bx0; bx < bx1; bx++) {
+						vx = sht->vx0 + bx;
+						map[vy * ctl->xsize + vx] = sid;
+					}
 				}
 			}
 		} else {
@@ -102,7 +116,7 @@ void sheet_refreshmap(struct SHTCTL *ctl, int vx0, int vy0, int vx1, int vy1, in
 
 void sheet_refreshsub(struct SHTCTL *ctl, int vx0, int vy0, int vx1, int vy1, int h0, int h1)
 {
-	int h, bx, by, vx, vy, bx0, by0, bx1, by1;
+	int h, bx, by, vx, vy, bx0, by0, bx1, by1, bx2, sid4, i, i1, *p, *q, *r;
 	unsigned char *buf, *vram = ctl->vram, *map = ctl->map, sid;
 	struct SHEET *sht;
 
@@ -125,12 +139,63 @@ void sheet_refreshsub(struct SHTCTL *ctl, int vx0, int vy0, int vx1, int vy1, in
 		if (by0 < 0) { by0 = 0; }
 		if (bx1 > sht->bxsize) { bx1 = sht->bxsize; } /* 应对不同的重叠方式 */
 		if (by1 > sht->bysize) { by1 = sht->bysize; }
-		for (by = by0; by < by1; by++) {
-			vy = sht->vy0 + by;
-			for (bx = bx0; bx < bx1; bx++) {
+		if ((sht->vx0 & 3) == 0) {
+			/* 4字节型*/
+			i = (bx0 + 3) / 4; /* bx0除以4（小数进位）*/
+			i1 = bx1 / 4;      /* bx1除以4（小数舍去）*/
+			i1 = i1 - i;
+			sid4 = sid | sid << 8 | sid << 16 | sid << 24;
+			for (by = by0; by < by1; by++) {
+				vy = sht->vy0 + by;
+				for (bx = bx0; bx < bx1 && (bx & 3) != 0; bx++) { 
+					/*前面被4除多余的部分逐个字节写入*/
+					vx = sht->vx0 + bx;
+					if (map[vy * ctl->xsize + vx] == sid) {
+						vram[vy * ctl->xsize + vx] = buf[by * sht->bxsize + bx];
+					}
+				}
 				vx = sht->vx0 + bx;
-				if (map[vy * ctl->xsize + vx] == sid) {
-					vram[vy * ctl->xsize + vx] = buf[by * sht->bxsize + bx];
+				p = (int *) &map[vy * ctl->xsize + vx];
+				q = (int *) &vram[vy * ctl->xsize + vx];
+				r = (int *) &buf[by * sht->bxsize + bx];
+				for (i = 0; i < i1; i++) { 
+					/* 4的倍数部分*/
+					if (p[i] == sid4) {
+						q[i] = r[i]; /*估计大多数会是这种情况，因此速度会变快*/
+					} else {
+						bx2 = bx + i * 4;
+						vx = sht->vx0 + bx2;
+						if (map[vy * ctl->xsize + vx + 0] == sid) {
+							vram[vy * ctl->xsize + vx + 0] = buf[by * sht->bxsize + bx2 + 0];
+						}
+						if (map[vy * ctl->xsize + vx + 1] == sid) {
+							vram[vy * ctl->xsize + vx + 1] = buf[by * sht->bxsize + bx2 + 1];
+						}
+						if (map[vy * ctl->xsize + vx + 2] == sid) {
+							vram[vy * ctl->xsize + vx + 2] = buf[by * sht->bxsize + bx2 + 2];
+						}
+						if (map[vy * ctl->xsize + vx + 3] == sid) {
+							vram[vy * ctl->xsize + vx + 3] = buf[by * sht->bxsize + bx2 + 3];
+						}
+					}
+				}
+				for (bx += i1 * 4; bx < bx1; bx++) { 
+					/*后面被4除多余的部分逐个字节写入*/
+					vx = sht->vx0 + bx;
+					if (map[vy * ctl->xsize + vx] == sid) {
+						vram[vy * ctl->xsize + vx] = buf[by * sht->bxsize + bx];
+					}
+				}
+			}
+		} else {
+			/* 1字节型*/
+			for (by = by0; by < by1; by++) {
+				vy = sht->vy0 + by;
+				for (bx = bx0; bx < bx1; bx++) {
+					vx = sht->vx0 + bx;
+					if (map[vy * ctl->xsize + vx] == sid) {
+						vram[vy * ctl->xsize + vx] = buf[by * sht->bxsize + bx];
+					}
 				}
 			}
 		}