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
|
/*
Copyright (c) 2021 Bad Diode
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE.
*/
#include <string.h>
#include <time.h>
#include "common.h"
#include "filesystem.c"
#include "uxn-core.c"
#include "rom.c"
#include "ppu.c"
#include "apu.c"
#include "file.c"
#include "text.h"
#include "config.c"
#include "profiling.c"
#include "input.c"
#include "devices.c"
#include "debug.c"
void
init_uxn() {
// Initialize uxn.
u32 fill = 0;
dma_fill(uxn_ram, fill, sizeof(uxn_ram), 3);
uxn_rom = _binary_build_uxn_rom_start;
uxn_rom_size = (size_t)_binary_build_uxn_rom_size;
size_t size = MIN(0x10000 - PAGE_PROGRAM, uxn_rom_size);
memcpy(uxn_ram + PAGE_PROGRAM, uxn_rom, size);
// Initialize stack and device memory.
for (size_t i = 0; i < 256; i++) {
wst[i] = 0;
rst[i] = 0;
device_data[i] = 0;
}
// Setup deo/dei maps.
for (size_t i = 0; i < 16; i++) {
deo_map[i] = (uintptr_t) deo_stub;
dei_map[i] = (uintptr_t) dei_stub;
}
deo_map[0x0] = (uintptr_t) deo_system;
dei_map[0x0] = (uintptr_t) dei_system;
deo_map[0x1] = (uintptr_t) deo_console;
deo_map[0x2] = (uintptr_t) deo_screen;
dei_map[0x2] = (uintptr_t) dei_screen;
deo_map[0x3] = (uintptr_t) deo_audio;
dei_map[0x3] = (uintptr_t) dei_audio;
deo_map[0x4] = (uintptr_t) deo_audio;
dei_map[0x4] = (uintptr_t) dei_audio;
deo_map[0x5] = (uintptr_t) deo_audio;
dei_map[0x5] = (uintptr_t) dei_audio;
deo_map[0x6] = (uintptr_t) deo_audio;
dei_map[0x6] = (uintptr_t) dei_audio;
deo_map[0xa] = (uintptr_t) deo_file;
dei_map[0xa] = (uintptr_t) dei_file;
deo_map[0xb] = (uintptr_t) deo_file;
dei_map[0xb] = (uintptr_t) dei_file;
dei_map[0xc] = (uintptr_t) dei_datetime;
dei_map[0x9] = (uintptr_t) dei_mouse;
}
int
main(void) {
// Adjust system wait times.
SYSTEM_WAIT = SYSTEM_WAIT_CARTRIDGE;
// Initialize filesystem.
fs_init();
// Register interrupts.
irq_init();
irs_set(IRQ_VBLANK, sound_vsync);
// Initialize PPU.
video_init();
// Initialize text engine.
#if !defined(TEXT_DISABLE) || TEXT_DISABLE == 0 || PROF_ENABLE > 0
txt_init(1, TEXT_LAYER);
txt_position(0,0);
#endif
// Initialize UXN.
init_uxn();
// Enable sound.
#if !defined(SOUND_DISABLE) || SOUND_DISABLE == 0
init_sound();
#endif
// Main loop.
u8 frame_counter = 0;
PROF(uxn_eval_asm(PAGE_PROGRAM), eval_cycles);
while(true) {
bios_vblank_wait();
FRAME_START();
PROF(handle_input(), input_cycles);
PROF(uxn_eval_asm(PEEK2(&device_data[0x20])), eval_cycles);
#if !defined(SOUND_DISABLE) || SOUND_DISABLE == 0
PROF(sound_mix(), mix_cycles);
#endif
PROF_SHOW();
PROF(flipbuf(), flip_cycles);
frame_counter++;
if (frame_counter == 60) {
seconds++;
frame_counter = 0;
}
FRAME_END();
}
return 0;
}
|
