100 lines
1.6 KiB
Forth
100 lines
1.6 KiB
Forth
\ Simple greeting screen, presenting basic options.
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\ XXX This is far too trivial - I don't have time now to think
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\ XXX about something more fancy... :-/
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\ $Id: menu.4th,v 1.2 1998/12/31 14:06:30 abial Exp $
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: title
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f_single
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60 11 10 4 box
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29 4 at-xy 15 fg 7 bg
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." Welcome to BootFORTH!"
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me
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;
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: menu
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2 fg
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20 7 at-xy
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." 1. Start FreeBSD /kernel."
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20 8 at-xy
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." 2. Interact with BootFORTH."
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20 9 at-xy
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." 3. Reboot."
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me
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;
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: tkey ( d -- flag | char )
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seconds +
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begin 1 while
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dup seconds u< if
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drop
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-1
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exit
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then
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key? if
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drop
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key
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exit
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then
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repeat
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;
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: prompt
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14 fg
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20 11 at-xy
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." Enter your option (1,2,3): "
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10 tkey
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dup 32 = if
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drop key
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then
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dup 0< if
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drop 49
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then
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dup emit
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me
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;
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: help_text
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10 18 at-xy ." * Choose 1 if you just want to run FreeBSD."
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10 19 at-xy ." * Choose 2 if you want to use bootloader facilities."
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12 20 at-xy ." See '?' for available commands, and 'words' for"
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12 21 at-xy ." complete list of Forth words."
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10 22 at-xy ." * Choose 3 in order to warm boot your machine."
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;
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: (boot) 0 boot ;
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: (reboot) 0 reboot ;
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: main_menu
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begin 1 while
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clear
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f_double
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79 23 1 1 box
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title
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menu
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help_text
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prompt
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cr cr cr
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dup 49 = if
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drop
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1 25 at-xy cr
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." Loading kernel. Please wait..." cr
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['] (boot) catch abort" Error booting"
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then
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dup 50 = if
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drop
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1 25 at-xy cr
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exit
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then
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dup 51 = if
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drop
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1 25 at-xy cr
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['] (reboot) catch abort" Error rebooting"
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then
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20 12 at-xy
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." Key " emit ." is not a valid option!"
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20 13 at-xy
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." Press any key to continue..."
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key drop
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repeat
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;
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