Update README.md

Author: Pegmode

README.md

@@ -3,7 +3,31 @@ Custom Deflemask .vgm based playback engine for the Nintendo Game Boy.
 
 **this engine only works Deflemask generated .vgms and is not intended for other .vgms**
 
-# Register Dump command format
+
+## Usage
+`DeflemaskGBVGMConverter <.vgm file> [arguements...]`
+**REQUIRES patchROM.gb**
+#### simple usage
+### arguments
+* `-r <engine rate>` set the engine rate in Hz (Clock value in Deflemask). Required if you use a engine tick speed other than NTSC.
+* `-o <output path>` set the output filename (defaults to "out")
+* `-asm` export song data as .bin to include in a GB rom.
+
+#### .bin export
+include all exported .bin files in your asm ROM. Each .bin takes up an entire ROM bank.\
+
+example:
+```
+SECTION "SoundData0",ROMX,BANK[1]
+incbin "ExampleData/ahoy/ahoy0.bin
+....
+....
+SECTION "SoundData9",ROMX,BANK[10]
+incbin "ExampleData/ahoy/ahoy9.bin"
+```
+
+
+## Register Dump command format
 Commands are formatted so that each bit is a flag that represents a command.
 ### Format Description
 
@@ -17,3 +41,4 @@ Commands are formatted so that each bit is a flag that represents a command.
 
 #### Sync command
 Sync signals use the 0x80 (write high) command to write their values to the address specified in `DEFAULT_SYNC_HIGH_ADDRESS`in the converter (default `0xFA`). In deflemask use the `EExx` command to write the value xx to `DEFAULT_SYNC_HIGH_ADDRESS`.
+