add flat assembler toolchain

toolchain/fasmw17332/EXAMPLES/MSCOFF/MSCOFF.ASM

@@ -0,0 +1,23 @@
+
+; example of making Win32 COFF object file
+
+format MS COFF
+
+extrn '__imp__MessageBoxA@16' as MessageBox:dword
+
+section '.text' code readable executable
+
+ public _demo
+
+ _demo:
+	push	0
+	push	_caption
+	push	_message
+	push	0
+	call	[MessageBox]
+	ret
+
+section '.data' data readable writeable
+
+ _caption db 'Win32 assembly',0
+ _message db 'Coffee time!',0