Use nasm compat file to allow custom asm variant

(I dont want to re-implement all those nasm features later)

Makefile

@@ -9,7 +9,7 @@ QEMU = qemu-system-$(QEMU_ARCH)
 QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))
 
 NASM = nasm
-NASM_ARGS = -s -I lib
+NASM_ARGS = -s -Ilib -Plib/nasmcomp.asm -w-macro-params
 
 EMUL = utils/emul