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graphic.c
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graphic.c
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#include "bootpack.h"
void init_palette(void) {
static unsigned char table_rgb[16 * 3] = {
0x00, 0x00, 0x00, /* 0:黒 */
0xff, 0x00, 0x00, /* 1:明るい赤 */
0x00, 0xff, 0x00, /* 2:明るい緑 */
0xff, 0xff, 0x00, /* 3:明るい黄色 */
0x00, 0x00, 0xff, /* 4:明るい青 */
0xff, 0x00, 0xff, /* 5:明るい紫 */
0x00, 0xff, 0xff, /* 6:明るい水色 */
0xff, 0xff, 0xff, /* 7:白 */
0xc6, 0xc6, 0xc6, /* 8:明るい灰色 */
0x84, 0x00, 0x00, /* 9:暗い赤 */
0x00, 0x84, 0x00, /* 10:暗い緑 */
0x84, 0x84, 0x00, /* 11:暗い黄色 */
0x00, 0x00, 0x84, /* 12:暗い青 */
0x84, 0x00, 0x84, /* 13:暗い紫 */
0x00, 0x84, 0x84, /* 14:暗い水色 */
0x84, 0x84, 0x84 /* 15:暗い灰色 */
};
unsigned char table2[216 * 3];
int r, g, b;
set_palette(0, 15, table_rgb);
for (b = 0; b < 6; b++) {
for (g = 0; g < 6; g++) {
for (r = 0; r < 6; r++) {
table2[(r + g * 6 + b * 36) * 3 + 0] = r * 51;
table2[(r + g * 6 + b * 36) * 3 + 1] = g * 51;
table2[(r + g * 6 + b * 36) * 3 + 2] = b * 51;
}
}
}
set_palette(16, 231, table2);
return;
}
void set_palette(int start, int end, unsigned char *rgb) {
int i, eflags;
eflags = io_load_eflags(); /* 割り込み許可フラグの値を記録する */
io_cli(); /* 許可フラグを0にして割り込み禁止にする */
io_out8(0x03c8, start);
for (i = start; i <= end; i++) {
io_out8(0x03c9, rgb[0] / 4);
io_out8(0x03c9, rgb[1] / 4);
io_out8(0x03c9, rgb[2] / 4);
rgb += 3;
}
io_store_eflags(eflags); /* 割り込み許可フラグを元に戻す */
return;
}
void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0,
int x1, int y1) {
int x, y;
for (y = y0; y <= y1; y++) {
for (x = x0; x <= x1; x++) vram[y * xsize + x] = c;
}
return;
}
void init_screen8(char *vram, int x, int y) {
boxfill8(vram, x, COL8_008484, 0, 0, x - 1, y - 29);
boxfill8(vram, x, COL8_C6C6C6, 0, y - 28, x - 1, y - 28);
boxfill8(vram, x, COL8_FFFFFF, 0, y - 27, x - 1, y - 27);
boxfill8(vram, x, COL8_C6C6C6, 0, y - 26, x - 1, y - 1);
boxfill8(vram, x, COL8_FFFFFF, 3, y - 24, 59, y - 24);
boxfill8(vram, x, COL8_FFFFFF, 2, y - 24, 2, y - 4);
boxfill8(vram, x, COL8_848484, 3, y - 4, 59, y - 4);
boxfill8(vram, x, COL8_848484, 59, y - 23, 59, y - 5);
boxfill8(vram, x, COL8_000000, 2, y - 3, 59, y - 3);
boxfill8(vram, x, COL8_000000, 60, y - 24, 60, y - 3);
boxfill8(vram, x, COL8_848484, x - 47, y - 24, x - 4, y - 24);
boxfill8(vram, x, COL8_848484, x - 47, y - 23, x - 47, y - 4);
boxfill8(vram, x, COL8_FFFFFF, x - 47, y - 3, x - 4, y - 3);
boxfill8(vram, x, COL8_FFFFFF, x - 3, y - 24, x - 3, y - 3);
return;
}
void putfont8(char *vram, int xsize, int x, int y, char c, char *font) {
int i;
char *p, d /* data */;
for (i = 0; i < 16; i++) {
p = vram + (y + i) * xsize + x;
d = font[i];
if ((d & 0x80) != 0) {
p[0] = c;
}
if ((d & 0x40) != 0) {
p[1] = c;
}
if ((d & 0x20) != 0) {
p[2] = c;
}
if ((d & 0x10) != 0) {
p[3] = c;
}
if ((d & 0x08) != 0) {
p[4] = c;
}
if ((d & 0x04) != 0) {
p[5] = c;
}
if ((d & 0x02) != 0) {
p[6] = c;
}
if ((d & 0x01) != 0) {
p[7] = c;
}
}
return;
}
void putfonts8_asc(char *vram, int xsize, int x, int y, char c,
unsigned char *s) {
extern char hankaku[4096];
struct TASK *task = task_now();
char *nihongo = (char *)*((int *)0x0fe8), *font;
int k, t;
if (task->langmode == 0) {
for (; *s != 0x00; s++) {
putfont8(vram, xsize, x, y, c, hankaku + *s * 16);
x += 8;
}
}
if (task->langmode == 1) {
for (; *s != 0x00; s++) {
if (task->langbyte1 == 0) {
if ((0x81 <= *s && *s <= 0x9f) || (0xe0 <= *s && *s <= 0xfc)) {
task->langbyte1 = *s;
} else {
putfont8(vram, xsize, x, y, c, nihongo + *s * 16);
}
} else {
if (0x81 <= task->langbyte1 && task->langbyte1 <= 0x9f) {
k = (task->langbyte1 - 0x81) * 2;
} else {
k = (task->langbyte1 - 0xe0) * 2 + 62;
}
if (0x40 <= *s && *s <= 0x7e) {
t = *s - 0x40;
} else if (0x80 <= *s && *s <= 0x9e) {
t = *s - 0x80 + 63;
} else {
t = *s - 0x9f;
k++;
}
task->langbyte1 = 0;
font = nihongo + 256 * 16 + (k * 94 + t) * 32;
putfont8(vram, xsize, x - 8, y, c, font); /* 左半分 */
putfont8(vram, xsize, x, y, c, font + 16); /* 右半分 */
}
x += 8;
}
}
if (task->langmode == 2) {
for (; *s != 0x00; s++) {
if (task->langbyte1 == 0) {
if (0x81 <= *s && *s <= 0xfe) {
task->langbyte1 = *s;
} else {
putfont8(vram, xsize, x, y, c, nihongo + *s * 16);
}
} else {
k = task->langbyte1 - 0xa1;
t = *s - 0xa1;
task->langbyte1 = 0;
font = nihongo + 256 * 16 + (k * 94 + t) * 32;
putfont8(vram, xsize, x - 8, y, c, font); /* 左半分 */
putfont8(vram, xsize, x, y, c, font + 16); /* 右半分 */
}
x += 8;
}
}
return;
}
void init_mouse_cursor8(char *mouse, char bc)
/* マウスカーソルを準備（16x16） */
{
static char cursor[16][16] = {
"**************..", "*OOOOOOOOOOO*...", "*OOOOOOOOOO*....",
"*OOOOOOOOO*.....", "*OOOOOOOO*......", "*OOOOOOO*.......",
"*OOOOOOO*.......", "*OOOOOOOO*......", "*OOOO**OOO*.....",
"*OOO*..*OOO*....", "*OO*....*OOO*...", "*O*......*OOO*..",
"**........*OOO*.", "*..........*OOO*", "............*OO*",
".............***"};
int x, y;
for (y = 0; y < 16; y++) {
for (x = 0; x < 16; x++) {
if (cursor[y][x] == '*') {
mouse[y * 16 + x] = COL8_000000;
}
if (cursor[y][x] == 'O') {
mouse[y * 16 + x] = COL8_FFFFFF;
}
if (cursor[y][x] == '.') {
mouse[y * 16 + x] = bc;
}
}
}
return;
}
void putblock8_8(char *vram, int vxsize, int pxsize, int pysize, int px0,
int py0, char *buf, int bxsize) {
int x, y;
for (y = 0; y < pysize; y++) {
for (x = 0; x < pxsize; x++) {
vram[(py0 + y) * vxsize + (px0 + x)] = buf[y * bxsize + x];
}
}
return;
}