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Up to [Tom Morton FrontierVM] / frontvm / hardware|
Return to fe2.c CVS log | Up to [Tom Morton FrontierVM] / frontvm / hardware |
1.1 root 1:
2: #include <SDL/SDL.h>
3: #include <SDL/SDL_endian.h>
4:
5: #include "main.h"
6: #include "configuration.h"
7: #include "file.h"
8: #include "hostcall.h"
1.1.1.2 ! root 9: #include "../m68000.h"
1.1 root 10: #include "memAlloc.h"
11: #include "misc.h"
12: #include "screen.h"
13: #include "audio.h"
14: #include "input.h"
15: #include "fe2.h"
16:
17: unsigned long logscreen, logscreen2, physcreen, physcreen2;
18:
19: static const unsigned char font_bmp[] = {
20: 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x2,0x80,0x80,0x80,0x80,0x80,0x0,
21: 0x80,0x0,0x0,0x2,0xa0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x50,
22: 0xf8,0x50,0x50,0xf8,0x50,0x0,0x0,0x6,0x20,0xf0,0xa0,0xa0,0xa0,0xa0,0xf0,0x20,
23: 0x0,0x5,0x0,0xc8,0xd8,0x30,0x60,0xd8,0x98,0x0,0x0,0x6,0xa0,0x0,0xe0,0xa0,
24: 0xa0,0xa0,0xe0,0x0,0x0,0x4,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x2,
25: 0xc0,0x80,0x80,0x80,0x80,0x80,0x80,0xc0,0x0,0x3,0xc0,0x40,0x40,0x40,0x40,0x40,
26: 0x40,0xc0,0x0,0x3,0x0,0x0,0x20,0xf8,0x50,0xf8,0x20,0x0,0x0,0x6,0x0,0x0,
27: 0x40,0xe0,0x40,0x0,0x0,0x0,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x80,0x80,
28: 0x0,0x2,0x0,0x0,0x0,0xc0,0x0,0x0,0x0,0x0,0x0,0x3,0x0,0x0,0x0,0x0,
29: 0x0,0x0,0x80,0x0,0x0,0x2,0x0,0x8,0x18,0x30,0x60,0xc0,0x80,0x0,0x0,0x6,
30: 0xe0,0xa0,0xa0,0xa0,0xa0,0xa0,0xe0,0x0,0x0,0x4,0x40,0xc0,0x40,0x40,0x40,0x40,
31: 0xe0,0x0,0x0,0x4,0xe0,0x20,0x20,0xe0,0x80,0x80,0xe0,0x0,0x0,0x4,0xe0,0x20,
32: 0x20,0xe0,0x20,0x20,0xe0,0x0,0x0,0x4,0x80,0x80,0xa0,0xa0,0xe0,0x20,0x20,0x0,
33: 0x0,0x4,0xe0,0x80,0x80,0xe0,0x20,0x20,0xe0,0x0,0x0,0x4,0xe0,0x80,0x80,0xe0,
34: 0xa0,0xa0,0xe0,0x0,0x0,0x4,0xe0,0x20,0x20,0x20,0x20,0x20,0x20,0x0,0x0,0x4,
35: 0xe0,0xa0,0xa0,0xe0,0xa0,0xa0,0xe0,0x0,0x0,0x4,0xe0,0xa0,0xa0,0xe0,0x20,0x20,
36: 0xe0,0x0,0x0,0x4,0x0,0x0,0x0,0x80,0x0,0x80,0x0,0x0,0x0,0x2,0x0,0x0,
37: 0x0,0x80,0x0,0x0,0x80,0x80,0x0,0x2,0xe0,0x0,0xe0,0xa0,0xa0,0xa0,0xa0,0x0,
38: 0x0,0x4,0x0,0x0,0xe0,0x0,0xe0,0x0,0x0,0x0,0x0,0x4,0xc0,0x0,0xe0,0xa0,
39: 0xe0,0x80,0xe0,0x0,0x0,0x4,0xe0,0x20,0x20,0xe0,0x80,0x0,0x80,0x0,0x0,0x4,
40: 0xfe,0x82,0xba,0xa2,0xba,0x82,0xfe,0x0,0x0,0x8,0xf0,0x90,0x90,0x90,0xf0,0x90,
41: 0x90,0x0,0x0,0x5,0xf0,0x90,0x90,0xf8,0x88,0x88,0xf8,0x0,0x0,0x6,0xe0,0x80,
42: 0x80,0x80,0x80,0x80,0xe0,0x0,0x0,0x4,0xf8,0x48,0x48,0x48,0x48,0x48,0xf8,0x0,
43: 0x0,0x6,0xf0,0x80,0x80,0xe0,0x80,0x80,0xf0,0x0,0x0,0x5,0xf0,0x80,0x80,0xe0,
44: 0x80,0x80,0x80,0x0,0x0,0x4,0xf0,0x80,0x80,0x80,0xb0,0x90,0xf0,0x0,0x0,0x5,
45: 0x90,0x90,0x90,0xf0,0x90,0x90,0x90,0x0,0x0,0x5,0xe0,0x40,0x40,0x40,0x40,0x40,
46: 0xe0,0x0,0x0,0x4,0xf0,0x20,0x20,0x20,0x20,0x20,0xe0,0x0,0x0,0x4,0x90,0xb0,
47: 0xe0,0xc0,0xe0,0xb0,0x90,0x0,0x0,0x5,0x80,0x80,0x80,0x80,0x80,0x80,0xe0,0x0,
48: 0x0,0x4,0x88,0xd8,0xf8,0xa8,0x88,0x88,0x88,0x0,0x0,0x6,0x90,0xd0,0xf0,0xb0,
49: 0x90,0x90,0x90,0x0,0x0,0x5,0xf0,0x90,0x90,0x90,0x90,0x90,0xf0,0x0,0x0,0x5,
50: 0xf0,0x90,0x90,0xf0,0x80,0x80,0x80,0x0,0x0,0x5,0xf0,0x90,0x90,0x90,0x90,0xb0,
51: 0xf0,0x18,0x0,0x5,0xf0,0x90,0x90,0xf0,0xe0,0xb0,0x90,0x0,0x0,0x5,0xf0,0x80,
52: 0x80,0xf0,0x10,0x10,0xf0,0x0,0x0,0x5,0xe0,0x40,0x40,0x40,0x40,0x40,0x40,0x0,
53: 0x0,0x3,0x90,0x90,0x90,0x90,0x90,0x90,0xf0,0x0,0x0,0x5,0x90,0x90,0x90,0xb0,
54: 0xe0,0xc0,0x80,0x0,0x0,0x5,0x88,0x88,0x88,0xa8,0xf8,0xd8,0x88,0x0,0x0,0x6,
55: 0x88,0xd8,0x70,0x20,0x70,0xd8,0x88,0x0,0x0,0x6,0x90,0x90,0x90,0xf0,0x20,0x20,
56: 0x20,0x0,0x0,0x5,0xf0,0x10,0x30,0x60,0xc0,0x80,0xf0,0x0,0x0,0x5,0xa0,0x0,
57: 0xa0,0xa0,0xa0,0xa0,0xe0,0x0,0x0,0x4,0x0,0x80,0xc0,0x60,0x30,0x18,0x8,0x0,
58: 0x0,0x6,0xe0,0xa0,0xa0,0xe0,0xa0,0xa0,0xe0,0x80,0x80,0x4,0xe0,0xa0,0xe0,0x0,
59: 0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xf8,0x0,0x6,
60: 0xa0,0x0,0xe0,0x20,0xe0,0xa0,0xe0,0x0,0x0,0x4,0x0,0x0,0xe0,0x20,0xe0,0xa0,
61: 0xe0,0x0,0x0,0x4,0x80,0x80,0xe0,0xa0,0xa0,0xa0,0xe0,0x0,0x0,0x4,0x0,0x0,
62: 0xc0,0x80,0x80,0x80,0xc0,0x0,0x0,0x3,0x20,0x20,0xe0,0xa0,0xa0,0xa0,0xe0,0x0,
63: 0x0,0x4,0x0,0x0,0xe0,0xa0,0xe0,0x80,0xe0,0x0,0x0,0x4,0xc0,0x80,0x80,0xc0,
64: 0x80,0x80,0x80,0x0,0x0,0x3,0x0,0x0,0xe0,0xa0,0xa0,0xa0,0xe0,0x20,0xe0,0x4,
65: 0x80,0x80,0xe0,0xa0,0xa0,0xa0,0xa0,0x0,0x0,0x4,0x80,0x0,0x80,0x80,0x80,0x80,
66: 0x80,0x0,0x0,0x2,0x40,0x0,0x40,0x40,0x40,0x40,0x40,0xc0,0x0,0x3,0x80,0x80,
67: 0xb0,0xe0,0xe0,0xb0,0x90,0x0,0x0,0x5,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x0,
68: 0x0,0x2,0x0,0x0,0xf8,0xa8,0xa8,0xa8,0xa8,0x0,0x0,0x6,0x0,0x0,0xe0,0xa0,
69: 0xa0,0xa0,0xa0,0x0,0x0,0x4,0x0,0x0,0xe0,0xa0,0xa0,0xa0,0xe0,0x0,0x0,0x4,
70: 0x0,0x0,0xe0,0xa0,0xa0,0xa0,0xe0,0x80,0x80,0x4,0x0,0x0,0xe0,0xa0,0xa0,0xa0,
71: 0xe0,0x20,0x30,0x4,0x0,0x0,0xc0,0x80,0x80,0x80,0x80,0x0,0x0,0x3,0x0,0x0,
72: 0xc0,0x80,0xc0,0x40,0xc0,0x0,0x0,0x3,0x80,0x80,0xc0,0x80,0x80,0x80,0xc0,0x0,
73: 0x0,0x3,0x0,0x0,0xa0,0xa0,0xa0,0xa0,0xe0,0x0,0x0,0x4,0x0,0x0,0xa0,0xa0,
74: 0xe0,0xc0,0x80,0x0,0x0,0x4,0x0,0x0,0x88,0xa8,0xf8,0xd8,0x88,0x0,0x0,0x6,
75: 0x0,0x0,0xa0,0xe0,0x40,0xe0,0xa0,0x0,0x0,0x4,0x0,0x0,0xa0,0xa0,0xa0,0xa0,
76: 0xe0,0x20,0xe0,0x4,0x0,0x0,0xf0,0x30,0x60,0xc0,0xf0,0x0,0x0,0x5,0x81,0x8d,
77: 0xe1,0xa0,0xa0,0xa0,0xa0,0x0,0x0,0x9,0x2,0x1a,0xc2,0x80,0xc0,0x40,0xc0,0x0,
78: 0x0,0x8,0xfe,0xfc,0xf8,0xfc,0xfe,0xdf,0x8e,0x4,0x0,0x7,0x7f,0x3f,0x1f,0x3f,
79: 0x7f,0xfb,0x71,0x20,0x0,0x8,0x4,0x8e,0xdf,0xfe,0xfc,0xf8,0xfc,0xfe,0x0,0x8,
80: 0x20,0x71,0xfb,0x7f,0x3f,0x1f,0x3f,0x7f,0x0,0x7,0xff,0x81,0x81,0x81,0x81,0x81,
81: 0x81,0xff,0x0,0x9,0x0,0x0,0xe0,0x80,0x80,0x80,0xe0,0x40,0xc0,0x4,0x60,0x0,
82: 0xe0,0xa0,0xe0,0x80,0xe0,0x0,0x0,0x4,0xc0,0x0,0xa0,0xa0,0xa0,0xa0,0xe0,0x0,
83: 0x0,0x4,0x40,0xa0,0x40,0x40,0x40,0x40,0x40,0x0,0x0,0x4,0x40,0xa0,0xe0,0x20,
84: 0xe0,0xa0,0xe0,0x0,0x0,0x4,0x40,0xa0,0xe0,0xa0,0xa0,0xa0,0xe0,0x0,0x0,0x4,
85: 0x40,0xa0,0xe0,0xa0,0xe0,0x80,0xe0,0x0,0x0,0x4,0xe0,0x0,0xa0,0xa0,0xa0,0xa0,
86: 0xe0,0x0,0x0,0x4,0xc0,0x0,0xe0,0x20,0xe0,0xa0,0xe0,0x0,0x0,0x4,0xe0,0xa0,
87: 0xa0,0xa0,0xe0,0xa0,0xa0,0x0,0x0,0x4,0xc0,0xa0,0xa0,0xc0,0xa0,0xa0,0xc0,0x0,
88: 0x0,0x4,0xe0,0x80,0x80,0x80,0x80,0x80,0xe0,0x0,0x0,0x4,0xc0,0xa0,0xa0,0xa0,
89: 0xa0,0xa0,0xc0,0x0,0x0,0x4,0xe0,0x80,0x80,0xe0,0x80,0x80,0xe0,0x0,0x0,0x4,
90: 0xe0,0x80,0x80,0xe0,0x80,0x80,0x80,0x0,0x0,0x4
91: };
92:
93: static int DrawChar (int col, int xoffset, char *screen, int chr)
94: {
95: const char *font_pos;
96: int i;
97:
98: font_pos = font_bmp;
99: font_pos += (chr&0xff)*10;
100: screen += xoffset;
101:
1.1.1.2 ! root 102: if (xoffset < 0) {
! 103: font_pos += 9;
! 104: return xoffset + *font_pos;
! 105: }
! 106:
1.1 root 107: for (i=0; i<8; i++) {
108: if (*font_pos & 0x80) *screen = col;
109: screen++;
110: if (*font_pos & 0x40) *screen = col;
111: screen++;
112: if (*font_pos & 0x20) *screen = col;
113: screen++;
114: if (*font_pos & 0x10) *screen = col;
115: screen++;
116: if (*font_pos & 0x8) *screen = col;
117: screen++;
118: if (*font_pos & 0x4) *screen = col;
119: screen++;
120: if (*font_pos & 0x2) *screen = col;
121: screen++;
122: if (*font_pos & 0x1) *screen = col;
123: screen++;
124: font_pos++;
125: screen += SCREENBYTES_LINE-8;
126: }
127: /* width of character */
128: font_pos++;
129: i = *font_pos;
130: return xoffset + i;
131: }
132:
133: int DrawStr (int xpos, int ypos, int col, unsigned char *str, bool shadowed)
134: {
135: int x, y, chr;
136: char *screen;
137:
138: x = xpos;
139: y = ypos;
140:
141: if ((y > 192) || (y<0)) return x;
142: set_line:
143: screen = LOGSCREEN2;
144: screen += SCREENBYTES_LINE * y;
145:
146: while (*str) {
147: chr = *(str++);
148:
149: if (chr < 0x1e) {
150: if (chr == '\r') {
151: y += 10;
152: x = xpos;
153: goto set_line;
154: }
155: else if (chr == 1) col = *(str++);
156: continue;
157: } else if (chr == 0x1e) {
158: /* read new xpos */
159: x = *(str++);
160: x *= 2;
161: continue;
162: } else if (chr < 0x20) {
163: /* Read new position */
164: x = *(str++);
165: x *= 2;
166: y = *(str++);
167: goto set_line;
168: }
169:
170: if (x > 316) continue;
171:
172: if (shadowed) DrawChar (0, x+1, screen+SCREENBYTES_LINE, chr-0x20);
173: x = DrawChar (col, x, screen, chr-0x20);
174: }
175:
176: return x;
177: }
178:
179: #define SWAP(a,b) do { tmp=(a); (a)=(b); (b)=tmp; } while (0);
180:
181: static void draw_hline (int sx, int ex, int sy, int col)
182: {
183: char *pix;
184:
185: pix = LOGSCREEN2 + (SCREENBYTES_LINE * sy) + sx;
186:
187: for (; sx<=ex; sx++) {
188: *pix = col;
189: pix++;
190: }
191: }
192:
193: static void put_pix (int x, int y, int col)
194: {
195: char *pix;
196:
197: pix = LOGSCREEN2 + (SCREENBYTES_LINE * y) + x;
198:
199: *pix = col;
200: }
201:
202: void DrawTriangle (int Ax, int Ay, int Bx, int By, int Cx, int Cy, int col)
203: {
204: float dx1, dx2, dx3;
205: int tmp;
206: float Sx, Sy, Ex;
207:
208: /* sort so A is lowest y coord, C highest */
209: if (Ay > Cy) { SWAP (Ax,Cx); SWAP (Ay,Cy); }
210: if (By > Cy) { SWAP (Bx,Cx); SWAP (By,Cy); }
211: if (Ay > By) { SWAP (Ax,Bx); SWAP (Ay,By); }
212:
213: if ((Ay == By) && (Ax > Bx)) { SWAP (Ax,Bx); SWAP (Ay,By); }
214:
215: if (By - Ay > 0) dx1 = (Bx - Ax)/(float)(By - Ay); else dx1 = Bx - Ax;
216: if (Cy - Ay > 0) dx2 = (Cx - Ax)/(float)(Cy - Ay); else dx2 = Cx - Ax;
217: if (Cy - By > 0) dx3 = (Cx - Bx)/(float)(Cy - By); else dx3 = Cx - Bx;
218:
219:
220: Ex = Sx = Ax;
221: Sy = Ay;
222:
223: if (dx1 > dx2) {
224: for (; Sy < By; Sy++,Sx+=dx2,Ex+=dx1)
225: draw_hline (Sx, Ex, Sy, col);
226: Ex = Bx;
227: for (; Sy <= Cy; Sy++,Sx+=dx2,Ex+=dx3)
228: draw_hline (Sx, Ex, Sy, col);
229: } else {
230: for (; Sy < By; Sy++,Sx+=dx1,Ex+=dx2)
231: draw_hline (Sx, Ex, Sy, col);
232: Sx = Bx;
233: Sy = By;
234: for (; Sy <= Cy; Sy++,Sx+=dx3,Ex+=dx2)
235: draw_hline (Sx, Ex, Sy, col);
236: }
237:
238: //put_pix (Ax, Ay, 1);
239: //put_pix (Bx, By, 1);
240: //put_pix (Cx, Cy, 1);
241: }
242:
243: void DrawPoly (struct Point *pt, int len, int col)
244: {
245: struct Point p1, p2, p3;
246: int i;
247:
248: p1 = pt[0];
249: for (i=1; i<len-1; i++) {
250: p2 = pt[i];
251: p3 = pt[i+1];
252: DrawTriangle (p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, col);
253: p1 = p2;
254: }
255: }
256:
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