annotate src/logger.c @ 10:23f716fa7f10
changed to mode 5 again, this time with hardware scaling (looks kinda crap)
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Sun, 22 Jun 2014 06:31:14 +0300 |
| parents |
b7130fe3f073 |
| children |
62390f9cc93e |
| rev |
line source |
|
nuclear@0
|
1 #include <stdio.h>
|
|
nuclear@1
|
2 #include <string.h>
|
|
nuclear@0
|
3 #include <stdarg.h>
|
|
nuclear@0
|
4 #include <ctype.h>
|
|
nuclear@0
|
5 #include <alloca.h>
|
|
nuclear@1
|
6 #include "gbasys.h"
|
|
nuclear@0
|
7 #include "logger.h"
|
|
nuclear@0
|
8
|
|
nuclear@0
|
9 static void putchr(char c);
|
|
nuclear@0
|
10 static void putstr(const char *str);
|
|
nuclear@1
|
11 static void agbprint(const char *str);
|
|
nuclear@0
|
12
|
|
nuclear@0
|
13 static int curx, cury;
|
|
nuclear@0
|
14 static int font_width = 8, font_height = 8;
|
|
nuclear@0
|
15 static int ncols = 20, nrows = 16;
|
|
nuclear@0
|
16
|
|
nuclear@1
|
17 void logmsg(unsigned short where, const char *fmt, ...)
|
|
nuclear@0
|
18 {
|
|
nuclear@0
|
19 va_list ap;
|
|
nuclear@0
|
20 int sz;
|
|
nuclear@0
|
21 char *buf;
|
|
nuclear@0
|
22
|
|
nuclear@0
|
23 va_start(ap, fmt);
|
|
nuclear@0
|
24 sz = vsnprintf(0, 0, fmt, ap);
|
|
nuclear@0
|
25 va_end(ap);
|
|
nuclear@0
|
26
|
|
nuclear@0
|
27 buf = alloca(sz + 1);
|
|
nuclear@0
|
28 va_start(ap, fmt);
|
|
nuclear@1
|
29 vsnprintf(buf, sz + 1, fmt, ap);
|
|
nuclear@0
|
30 va_end(ap);
|
|
nuclear@0
|
31
|
|
nuclear@1
|
32 if(where & LOG_SCREEN) {
|
|
nuclear@1
|
33 putstr(buf);
|
|
nuclear@1
|
34 }
|
|
nuclear@1
|
35 if(where & LOG_DBG) {
|
|
nuclear@1
|
36 agbprint(buf);
|
|
nuclear@1
|
37 }
|
|
nuclear@0
|
38 }
|
|
nuclear@0
|
39
|
|
nuclear@0
|
40 static void putchr(char c)
|
|
nuclear@0
|
41 {
|
|
nuclear@0
|
42 switch(c) {
|
|
nuclear@0
|
43 case '\n':
|
|
nuclear@1
|
44 curx = 0;
|
|
nuclear@1
|
45 if(cury >= nrows - 1) {
|
|
nuclear@1
|
46 int row_size = font_height * 160 * 2;
|
|
nuclear@1
|
47 memmove(front_buffer->pixels, (char*)front_buffer->pixels + row_size,
|
|
nuclear@1
|
48 (nrows - 1) * row_size);
|
|
nuclear@1
|
49 memset((char*)front_buffer->pixels + (nrows - 1) * row_size, 0, row_size);
|
|
nuclear@1
|
50 } else {
|
|
nuclear@1
|
51 ++cury;
|
|
nuclear@1
|
52 }
|
|
nuclear@1
|
53 break;
|
|
nuclear@1
|
54
|
|
nuclear@0
|
55 case '\r':
|
|
nuclear@0
|
56 curx = 0;
|
|
nuclear@0
|
57 break;
|
|
nuclear@0
|
58
|
|
nuclear@0
|
59 default:
|
|
nuclear@1
|
60 if(isprint((int)c)) {
|
|
nuclear@1
|
61 draw_glyph(c, curx * font_width, cury * font_height, front_buffer);
|
|
nuclear@1
|
62 if(++curx >= ncols) {
|
|
nuclear@1
|
63 putchr('\n');
|
|
nuclear@1
|
64 }
|
|
nuclear@0
|
65 }
|
|
nuclear@0
|
66 }
|
|
nuclear@0
|
67 }
|
|
nuclear@0
|
68
|
|
nuclear@0
|
69 static void putstr(const char *str)
|
|
nuclear@0
|
70 {
|
|
nuclear@0
|
71 while(*str) putchr(*str++);
|
|
nuclear@0
|
72 }
|
|
nuclear@1
|
73
|
|
nuclear@5
|
74 #ifdef __ARM__
|
|
nuclear@1
|
75 static void agbprint(const char *str)
|
|
nuclear@1
|
76 {
|
|
nuclear@1
|
77 asm volatile (
|
|
nuclear@1
|
78 "\n\tmov r0, %0"
|
|
nuclear@1
|
79 "\n\tswi 0xff0000"
|
|
nuclear@1
|
80 :
|
|
nuclear@1
|
81 : "r" (str)
|
|
nuclear@1
|
82 : "r0");
|
|
nuclear@1
|
83 }
|
|
nuclear@5
|
84 #else
|
|
nuclear@5
|
85 /* fake version */
|
|
nuclear@5
|
86 static void agbprint(const char *str)
|
|
nuclear@5
|
87 {
|
|
nuclear@5
|
88 fputs(str, stdout);
|
|
nuclear@5
|
89 fflush(stdout);
|
|
nuclear@5
|
90 }
|
|
nuclear@5
|
91 #endif
|
