MB_AUTOEXEC_BYSELF            ?= true
MB_AUTOEXEC_BYSELF_MSG        ?= Run msxbuild:
MB_AUTOEXEC_VERSION           ?= true
MB_AUTOEXEC_STARTUP_TIMEOUT   ?= 60
MB_AUTOEXEC_STARTUP_EXITCODE  ?= 124
MB_AUTOEXEC_TEST_TIMEOUT      ?= 120
MB_AUTOEXEC_TEST_EXITCODE     ?= 1
MB_AUTOEXEC_CMD_TIMEOUT       ?= 300
MB_AUTOEXEC_CMD_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 SDL renderer.)
	$(call mb_autoexec_append_cmd,$(1),omsxctl set renderer SDL)
	$(call mb_autoexec_append_echo,$(1),Enabling CPU 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_append_safe_test
	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_TEST_TIMEOUT) seconds failed_test $(MB_AUTOEXEC_TEST_EXITCODE))
	$(call mb_autoexec_append_echo,$(1),Running test '$(2)')
	$(call mb_autoexec_append_cmd,$(1),$(2))
endef
define mb_autoexec_append_safe_cmd
	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_CMD_TIMEOUT) seconds failed_cmd $(MB_AUTOEXEC_CMD_EXITCODE))
	$(call mb_autoexec_append_echo,$(1),Running test '$(2)')
	$(call mb_autoexec_append_cmd,$(1),$(2))
endef
define mb_autoexec_write_default
	@echo === Writing autoexec.bat for $(notdir $(1))
	@echo -n "" > $(1)/autoexec.bat
	$(if $(filter 40,$(2)),$(call mb_autoexec_append_cmd,$(1),mode 40),$(call mb_autoexec_append_cmd,$(1),mode 80))
	$(if $(filter 40,$(2)),$(call mb_autoexec_append_echo,$(1),Enabled mode 40.),$(call mb_autoexec_append_echo,$(1),Enabled mode 80.))
	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_STARTUP_TIMEOUT) seconds failed_exec $(MB_AUTOEXEC_STARTUP_EXITCODE))
	$(call mb_autoexec_append_cmd,$(1),omsxctl setcolor 4 000)
	$(call mb_autoexec_append_cmd,$(1),omsxctl setcolor 15 777)
	$(if $(filter true,$(MB_AUTOEXEC_VERSION)),$(call mb_autoexec_append_cmd,$(1),ver))
	$(if $(filter true,$(MB_AUTOEXEC_BYSELF)),$(call mb_autoexec_append_echo,$(1),$(MB_AUTOEXEC_BYSELF_MSG) $(notdir $(1))))
endef

define _mb_autoexec_open_gui
	$(call mb_autoexec_write_default,$(1),$(2))
	$(call mb_autoexec_append_stop_fail,$(1))
	$(call mb_autoexec_append_gui_mode,$(1))
	$(call mb_autoexec_append_echo,$(1),Type shutdown to stop emulation.)
	$(if $(3),$(call mb_autoexec_append_echo,$(1),Running command '$(3)'))
	$(if $(3),$(call mb_autoexec_append_cmd,$(1),$(3)))
endef
define mb_autoexec_open_gui40
	$(call _mb_autoexec_open_gui,$(1),40)
endef
define mb_autoexec_open_gui40_cmd
	$(call _mb_autoexec_open_gui,$(1),40,$(2))
endef
define mb_autoexec_open_gui80
	$(call _mb_autoexec_open_gui,$(1),80)
endef
define mb_autoexec_open_gui80_cmd
	$(call _mb_autoexec_open_gui,$(1),80,$(2))
endef

define mb_autoexec_safe_cmd
	$(call mb_autoexec_write_default,$(1),$(3))
	$(call mb_autoexec_append_safe_cmd,$(1),$(2))
	$(call mb_autoexec_append_exit,$(1))
endef
define mb_autoexec_safe_test
	$(call mb_autoexec_write_default,$(1),$(3))
	$(call mb_autoexec_append_safe_test,$(1),$(2))
	$(call mb_autoexec_append_exit,$(1))
endef