MB_AUTOEXEC_BYSELF            ?= true
MB_AUTOEXEC_BYSELF_MSG        ?= Generated by msxbuild Makefile
MB_AUTOEXEC_TEXTMODE          ?= 80
MB_AUTOEXEC_STARTUP_TIMEOUT   ?= 60
MB_AUTOEXEC_STARTUP_EXITCODE  ?= 124
MB_AUTOEXEC_TEST_TIMEOUT      ?= 120
MB_AUTOEXEC_TEST_EXITCODE     ?= 1

define mb_autoexec_append_cmd
	echo "$(2)\r" >> $(1)/autoexec.bat
endef
define mb_autoexec_append_echo
	$(call mb_autoexec_append_cmd,$(1),echo $(2))
endef
define mb_autoexec_append_rem
	$(call mb_autoexec_append_cmd,$(1),rem $(2))
endef
define mb_autoexec_append_gui_mode
	$(call mb_autoexec_append_echo,$(1),Enabling renderer.)
	$(call mb_autoexec_append_cmd,$(1),omsxctl set renderer SDL)
	$(call mb_autoexec_append_echo,$(1),Enabling throttling.)
	$(call mb_autoexec_append_cmd,$(1),omsxctl set throttle on)
endef
define mb_autoexec_append_stop_fail
	$(call mb_autoexec_append_echo,$(1),Disabling automatic failure.)
	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after 0)
endef
define mb_autoexec_append_exit
	$(call mb_autoexec_append_cmd,$(1),omsxctl exit 0)
endef
define mb_autoexec_write_default
	echo -n "" > $(1)/autoexec.bat
	$(if $(filter true,$(MB_AUTOEXEC_BYSELF)),$(call mb_autoexec_append_rem,$(1),$(MB_AUTOEXEC_BYSELF_MSG)))
	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_STARTUP_TIMEOUT) seconds fail_after_init $(MB_AUTOEXEC_STARTUP_EXITCODE))
	$(if $(filter 40,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_cmd,$(1),mode 40))
	$(if $(filter 40,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_echo,$(1),Enabled mode 40.))
	$(if $(filter 80,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_cmd,$(1),mode 80))
	$(if $(filter 80,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_echo,$(1),Enabled mode 80.))
endef

define mb_autoexec_open_gui
	@echo === Generating autoexec.bat for command with gui
	$(call mb_autoexec_write_default,$(1))
	$(call mb_autoexec_append_gui_mode,$(1))
	$(call mb_autoexec_append_stop_fail,$(1))
	$(call mb_autoexec_append_echo,$(1),Type 'omsxctl exit' to stop emulation.)
endef
define mb_autoexec_open_gui_cmd
	$(call mb_autoexec_open_gui,$(1))
	$(call mb_autoexec_append_echo,$(1),Running command '$(2)')
	$(call mb_autoexec_append_cmd,$(1),$(2))
endef
define mb_autoexec_cmd
	@echo === Generating autoexec.bat for command
	$(call mb_autoexec_write_default,$(1))
	$(call mb_autoexec_append_echo,$(1),Running command '$(2)')
	$(call mb_autoexec_append_cmd,$(1),$(2))
	$(call mb_autoexec_append_exit,$(1))
endef
define mb_autoexec_cmd_test
	@echo === Generating autoexec.bat for command test
	$(call mb_autoexec_write_default,$(1))
	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_TEST_TIMEOUT) seconds fail_after_test $(MB_AUTOEXEC_TEST_EXITCODE))
	$(call mb_autoexec_append_echo,$(1),Running test '$(2)')
	$(call mb_autoexec_append_cmd,$(1),$(2))
	$(call mb_autoexec_append_exit,$(1))
endef