# boot_exec -- Helper commands to autoexec.bat boot scripts.
#
# Adds the following commands to openMSX;
#
# 'boot_exec_color_vdp <vdp_fg> <vdp_bg>'
# Sets the VDP colors to defaults or supplied colors.
#
# 'boot_exec_config_info'
# Displays machine and openMSX version on one line.
#
# Supported environment variables by this script;
#
# VDP_FG=111
# Override the default vdp foreground color.
#
# VDP_BG=369
# Override the default vdp background color.
#

set boot_exec_color_vdp_fg "777"
set boot_exec_color_vdp_bg "000"

proc boot_exec_color_vdp {{vdp_fg 0} {vdp_bg 0}} {
	global boot_exec_color_vdp_fg
	global boot_exec_color_vdp_bg
	if {$vdp_fg != 0} {
		set color_vdp_fg $vdp_fg
	} else {
		set color_vdp_fg $boot_exec_color_vdp_fg
	}
	if {$vdp_bg != 0} {
		set color_vdp_bg $vdp_bg
	} else {
		set color_vdp_bg $boot_exec_color_vdp_bg
	}
	if {([vdpreg 8] != 0) || ([vdpreg 16] != 0)} {
		setcolor 15 $color_vdp_fg
		setcolor 4 $color_vdp_bg
		return "mb::boot color vdp fg $color_vdp_fg bg $color_vdp_bg"
	} else {
		return "mb::boot color MSX1"
	}
}

proc boot_exec_config_info {} {
	set result "mb::host "
	append result [machine_info config_name]
	append result " on "
	append result [openmsx_info version]
	return $result
}

if {[info exists ::env(VDP_FG)] && ([string trim $::env(VDP_FG)] != "")} {
	set boot_exec_color_vdp_fg [string trim $::env(VDP_FG)]
}

if {[info exists ::env(VDP_BG)] && ([string trim $::env(VDP_BG)] != "")} {
	set boot_exec_color_vdp_bg [string trim $::env(VDP_BG)]
}