Added x86 asm and C wav writer and player examples.

Specifically:
* Added win32, elf32 and elf64 asm player and wav writers using winmm.
* Added dsound player in C.
* Separated the ALL target and the examples; introduced a new examples target.

examples/code/C/cwav.c

@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <stdint.h>
+#include "physics_girl_st.h"
+
+#define WAVE_FORMAT_PCM 0x1
+#define WAVE_FORMAT_IEEE_FLOAT 0x3
+
+static SUsample sound_buffer[SU_LENGTH_IN_SAMPLES * SU_CHANNEL_COUNT];
+
+#pragma pack(push, 1)
+typedef struct {
+	char riff[4];
+	uint32_t file_size;
+	char wavefmt[8];
+} riff_header_t;
+
+typedef struct {
+	char data[4];
+	uint32_t data_size;
+} data_header_t;
+
+typedef struct {
+	riff_header_t riff_header;
+	uint32_t riff_header_size;
+	uint16_t sample_type;
+	uint16_t channel_count;
+	uint32_t sample_rate;
+	uint32_t bytes_per_second;
+	uint16_t bytes_per_channel;
+	uint16_t bits_per_sample;
+	data_header_t data_header;
+} wave_header_t;
+#pragma pack(pop)
+
+int main(int argc, char **args) {
+	wave_header_t wave_header = {
+		.riff_header = (riff_header_t) {
+			.riff = "RIFF",
+			.file_size = sizeof(wave_header_t) + SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT,
+			.wavefmt = "WAVEfmt ",
+		},
+		.riff_header_size = sizeof(riff_header_t),
+	#ifdef SU_SAMPLE_FLOAT
+		.sample_type = WAVE_FORMAT_IEEE_FLOAT,
+	#else // SU_SAMPLE_FLOAT
+		.sample_type = WAVE_FORMAT_PCM,
+	#endif // SU_SAMPLE_FLOAT
+		.channel_count = SU_CHANNEL_COUNT,
+		.sample_rate = SU_SAMPLE_RATE,
+		.bytes_per_second = SU_SAMPLE_SIZE * SU_SAMPLE_RATE * SU_CHANNEL_COUNT,
+		.bytes_per_channel = SU_SAMPLE_SIZE * SU_CHANNEL_COUNT,
+		.bits_per_sample = SU_SAMPLE_SIZE * 8,
+		.data_header = (data_header_t) {
+			.data = "data",
+			.data_size = sizeof(data_header_t) + SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT
+		}
+	};
+
+	// Load gm.dls if necessary.
+#ifdef SU_LOAD_GMDLS
+    su_load_gmdls();
+#endif // SU_LOAD_GMDLS
+
+	su_render_song(sound_buffer);
+
+	FILE *file = fopen("physics_girl_st.wav", "wb");
+	fwrite(&wave_header, sizeof(wave_header_t), 1, file);
+	fwrite((uint8_t *)sound_buffer, 1, SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT, file);
+	fclose(file);
+
+	return 0;
+}