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/asm/386/asmwav.elf32.asm

@@ -0,0 +1,91 @@
+%include TRACK_INCLUDE
+
+%define WAVE_FORMAT_PCM 0x1
+%define WAVE_FORMAT_IEEE_FLOAT 0x3
+
+section .bss
+sound_buffer:
+	resb SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT
+
+file:
+	resd 1
+
+section .data
+; Change the filename over -DFILENAME="yourfilename.wav"
+filename:
+	db FILENAME, 0
+
+format:
+	db "wb", 0
+
+; This is the wave file header.
+wave_file:
+	db "RIFF"
+	dd wave_file_end + SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT - wave_file
+	db "WAVE"
+	db "fmt "
+wave_format_end:
+	dd wave_format_end - wave_file
+%ifdef SU_SAMPLE_FLOAT
+	dw WAVE_FORMAT_IEEE_FLOAT
+%else ; SU_SAMPLE_FLOAT
+	dw WAVE_FORMAT_PCM
+%endif ; SU_SAMPLE_FLOAT
+	dw SU_CHANNEL_COUNT
+	dd SU_SAMPLE_RATE
+	dd SU_SAMPLE_SIZE * SU_SAMPLE_RATE * SU_CHANNEL_COUNT
+	dw SU_SAMPLE_SIZE * SU_CHANNEL_COUNT
+	dw SU_SAMPLE_SIZE * 8
+wave_header_end:
+	db "data"
+	dd wave_file_end + SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT - wave_header_end
+wave_file_end:
+
+section .text
+symbols:
+	extern fopen
+	extern fwrite
+	extern fclose
+
+	global main
+main:
+	; elf32 uses the cdecl calling convention. This is more readable imo ;)
+
+	; Prologue
+	push	ebp
+	mov	 ebp, esp
+	sub	 esp, 0x10
+
+	; Unix does not have gm.dls, no need to ifdef and setup here.
+
+	; We render the complete track here.
+	push sound_buffer
+	call su_render_song
+
+	; Now we open the file and save the track.
+	push format
+	push filename
+	call fopen
+	mov dword [file], eax
+
+	; Write header
+	push dword [file]
+	push 0x1
+	push wave_file_end - wave_file
+	push wave_file
+	call fwrite
+
+	; write data
+	push dword [file]
+	push 0x1
+	push SU_LENGTH_IN_SAMPLES * SU_SAMPLE_SIZE * SU_CHANNEL_COUNT
+	push sound_buffer
+	call fwrite
+
+	push dword [file]
+	call fclose
+
+exit:
+	; At least we can skip the epilogue :)
+	leave
+	ret