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
|
#include <3ds.h>
#include "../gc.h"
#include "../platform.h"
#include "../util.h"
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
/**
* These cache-size details are from
* https://www.copetti.org/writings/consoles/nintendo-3ds/. We call the second
* level of cache (only available on N3DS) L3, since the GC design only cares
* about L1D and L3.
*/
size_t get_l1d_size(void) { return 16 * 1024; }
size_t get_l3_size(void) { return 2 * 1024 * 1024; }
void panic_begin(void) { consoleInit(GFX_TOP, NULL); }
noreturn void panic_end(void) {
printf("\nPress Start to exit.\n");
while (aptMainLoop()) {
hidScanInput();
u32 keys = hidKeysDown();
if (keys & KEY_START)
break;
gfxFlushBuffers();
gfxSwapBuffers();
gspWaitForVBlank();
}
gfxExit();
exit(1);
}
int main(int argc, char **argv) {
gfxInit(GSP_BGR8_OES, GSP_BGR8_OES, false);
gc_init();
bootstrap();
// Initialize console on top screen. Using NULL as the second argument tells
// the console library to use the internal console structure as current one
consoleInit(GFX_TOP, NULL);
// Move the cursor to row 15 and column 19 and then prints "Hello World!"
// To move the cursor you have to print "\x1b[r;cH", where r and c are
// respectively the row and column where you want your cursor to move The top
// screen has 30 rows and 50 columns The bottom screen has 30 rows and 40
// columns
printf("\x1b[16;20HHello World!");
printf("\x1b[29;16HPress Start to exit.\n");
// Main loop
while (aptMainLoop()) {
// Scan all the inputs. This should be done once for each frame
hidScanInput();
// hidKeysDown returns information about which buttons have been just
// pressed (and they weren't in the previous frame)
u32 kDown = hidKeysDown();
if (kDown & KEY_START)
break; // break in order to return to hbmenu
if (kDown & KEY_A)
todo("GM");
circlePosition pos;
hidCircleRead(&pos);
printf("\x1b[0;0H\x1b[K(%" PRId16 ", %" PRId16 ")\n", pos.dx, pos.dy);
// Get the bottom screen's frame buffer
u16 w, h;
u8 *fb = gfxGetFramebuffer(GFX_BOTTOM, GFX_LEFT, &w, &h);
for (u16 j = 0; j < h; j++) {
for (u16 i = 0; i < w; i++) {
*fb++ = (u8)(((float)i / (float)w) * 255.0);
*fb++ = (u8)(((float)j / (float)h) * 255.0);
*fb++ = 0x00;
}
}
// Flush and swap framebuffers
gfxFlushBuffers();
gfxSwapBuffers();
// Wait for VBlank
gspWaitForVBlank();
}
gfxExit();
return 0;
}
|