-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathgraphic.c
173 lines (163 loc) · 5.28 KB
/
graphic.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
#include "bootpack.h"
void init_screen(char *vram, int xsize, int ysize)
{
boxfill8(vram, xsize, COL8_008484, 0, 0, xsize - 1, ysize - 29);
boxfill8(vram, xsize, COL8_C6C6C6, 0, ysize - 28, xsize - 1, ysize - 28);
boxfill8(vram, xsize, COL8_FFFFFF, 0, ysize - 27, xsize - 1, ysize - 27);
boxfill8(vram, xsize, COL8_C6C6C6, 0, ysize - 26, xsize - 1, ysize - 1);
boxfill8(vram, xsize, COL8_FFFFFF, 3, ysize - 24, 59, ysize - 24);
boxfill8(vram, xsize, COL8_FFFFFF, 2, ysize - 24, 2, ysize - 4);
boxfill8(vram, xsize, COL8_848484, 3, ysize - 4, 59, ysize - 4);
boxfill8(vram, xsize, COL8_848484, 59, ysize - 23, 59, ysize - 5);
boxfill8(vram, xsize, COL8_000000, 2, ysize - 3, 59, ysize - 3);
boxfill8(vram, xsize, COL8_000000, 60, ysize - 24, 60, ysize - 3);
boxfill8(vram, xsize, COL8_848484, xsize - 47, ysize - 24, xsize - 4, ysize - 24);
boxfill8(vram, xsize, COL8_848484, xsize - 47, ysize - 23, xsize - 47, ysize - 4);
boxfill8(vram, xsize, COL8_FFFFFF, xsize - 47, ysize - 3, xsize - 4, ysize - 3);
boxfill8(vram, xsize, COL8_FFFFFF, xsize - 3, ysize - 24, xsize - 3, ysize - 3);
}
void show_boxes()
{
char *p = (char *)0xa0000;
boxfill8(p, 320, COL8_FF0000, 20, 20, 120, 120);
boxfill8(p, 320, COL8_00FF00, 70, 50, 170, 150);
boxfill8(p, 320, COL8_0000FF, 120, 80, 220, 180);
}
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_palette(void)
{
static unsigned char table_rgb[16 * 3] = {
0x00, 0x00, 0x00, /* 0: black */
0xff, 0x00, 0x00, /* 1: bright read */
0x00, 0xff, 0x00, /* 2: bright green */
0xff, 0xff, 0x00, /* 3: bright yellow */
0x00, 0x00, 0xff, /* 4: bright blue */
0xff, 0x00, 0xff, /* 5: bright purple */
0x00, 0xff, 0xff, /* 6: bright light blue */
0xff, 0xff, 0xff, /* 7: white */
0xc6, 0xc6, 0xc6, /* 8: light gray */
0x84, 0x00, 0x00, /* 9: bark red */
0x00, 0x84, 0x00, /* 10: bark green */
0x84, 0x84, 0x00, /* 11: bark yellow */
0x00, 0x00, 0x84, /* 12: dark blue */
0x84, 0x00, 0x84, /* 13: dark purple */
0x00, 0x84, 0x84, /* 14: dark light blue */
0x84, 0x84, 0x84, /* 15: dark gray */
};
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 init_mouse_cursor8(char *mouse, char bc)
{
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 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 */
io_cli(); /* 割り込み禁止 */
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 */
return;
}
void putfont8(char *vram, int xsize, int x, int y, char c, char *font)
{
int i;
char *p, d;
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];
for (; *s != 0x00; s++)
{
putfont8(vram, xsize, x, y, c, hankaku + *s * 16);
x += 8;
}
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;
}