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Diffstat (limited to 'qemu/roms/openbios/forth/device/terminal.fs')
| -rw-r--r-- | qemu/roms/openbios/forth/device/terminal.fs | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/qemu/roms/openbios/forth/device/terminal.fs b/qemu/roms/openbios/forth/device/terminal.fs deleted file mode 100644 index 24b2d10c9..000000000 --- a/qemu/roms/openbios/forth/device/terminal.fs +++ /dev/null @@ -1,302 +0,0 @@ -\ tag: terminal emulation -\ -\ this code implements IEEE 1275-1994 ANNEX B -\ -\ Copyright (C) 2003 Stefan Reinauer -\ -\ See the file "COPYING" for further information about -\ the copyright and warranty status of this work. -\ - -0 value (escseq) -10 buffer: (sequence) - -: (match-number) ( x y [1|2] [1|2] -- x [z] ) - 2dup = if \ 1 1 | 2 2 - drop exit - then - 2dup > if - 2drop drop 1 exit - then - 2drop 0 - ; - -: (esc-number) ( maxchar -- ?? ?? num ) - >r depth >r ( R: depth maxchar ) - 0 (sequence) 2+ (escseq) 2- ( 0 seq+2 seqlen-2 ) - \ if numerical, scan until non-numerical - 0 ?do - ( 0 seq+2 ) - dup i + c@ a - digit if - ( 0 ptr n ) - rot a * + ( ptr val ) - swap - else - ( 0 ptr asc ) - ascii ; = if - 0 swap - else - drop leave - then - then - - loop - depth r> - r> - 0 to (escseq) - (match-number) - ; - -: (match-seq) - (escseq) 1- (sequence) + c@ \ get last character in sequence - \ dup draw-character - case - ascii A of \ CUU - cursor up - 1 (esc-number) - 0> if - 1 max - else - 1 - then - negate line# + - 0 max to line# - endof - ascii B of \ CUD - cursor down - 1 (esc-number) - 0> if - 1 max - line# + - #lines 1- min to line# - then - endof - ascii C of \ CUF - cursor forward - 1 (esc-number) - 0> if - 1 max - column# + - #columns 1- min to column# - then - endof - ascii D of \ CUB - cursor backward - 1 (esc-number) - 0> if - 1 max - negate column# + - 0 max to column# - then - endof - ascii E of \ Cursor next line (CNL) - \ FIXME - check agains ANSI3.64 - 1 (esc-number) - 0> if - 1 max - line# + - #lines 1- min to line# - then - 0 to column# - endof - ascii f of - 2 (esc-number) - case - 2 of - 1- #columns 1- min to column# - 1- #lines 1- min to line# - endof - 1 of - 0 to column# - 1- #lines 1- min to line# - endof - 0 of - 0 to column# - 0 to line# - drop - endof - endcase - endof - ascii H of - 2 (esc-number) - case - 2 of - 1- #columns 1- min to column# - 1- #lines 1- min to line# - endof - 1 of - 0 to column# - 1- #lines 1- min to line# - endof - 0 of - 0 to column# - 0 to line# - drop - endof - endcase - endof - ascii J of - 0 to (escseq) - #columns column# - delete-characters - #lines line# - delete-lines - endof - ascii K of - 0 to (escseq) - #columns column# - delete-characters - endof - ascii L of - 1 (esc-number) - 0> if - 1 max - insert-lines - then - endof - ascii M of - 1 (esc-number) - 1 = if - 1 max - delete-lines - then - endof - ascii @ of - 1 (esc-number) - 1 = if - 1 max - insert-characters - then - endof - ascii P of - 1 (esc-number) - 1 = if - 1 max - delete-characters - then - endof - ascii m of - 1 (esc-number) - 1 = if - 7 = if - true to inverse? - else - false to inverse? - then - then - endof - ascii p of \ normal text colors - 0 to (escseq) - inverse-screen? if - false to inverse-screen? - inverse? 0= to inverse? - invert-screen - then - endof - ascii q of \ inverse text colors - 0 to (escseq) - inverse-screen? not if - true to inverse-screen? - inverse? 0= to inverse? - invert-screen - then - endof - ascii s of - \ Resets the display device associated with the terminal emulator. - 0 to (escseq) - reset-screen - endof - endcase - ; - -: (term-emit) ( char -- ) - toggle-cursor - - (escseq) 0> if - (escseq) 10 = if - 0 to (escseq) - ." overflow in esc" cr - drop - then - (escseq) 1 = if - dup ascii [ = if \ not a [ - (sequence) 1+ c! - 2 to (escseq) - else - 0 to (escseq) \ break out of ESC sequence - ." out of ESC" cr - drop \ don't print breakout character - then - toggle-cursor exit - else - (sequence) (escseq) + c! - (escseq) 1+ to (escseq) - (match-seq) - toggle-cursor exit - then - then - - case - 0 of \ NULL - toggle-cursor exit - endof - 7 of \ BEL - blink-screen - s" /screen" s" ring-bell" - execute-device-method - endof - 8 of \ BS - column# 0<> if - column# 1- to column# - toggle-cursor exit - then - endof - 9 of \ TAB - column# dup #columns = if - drop - else - 8 + -8 and ff and to column# - then - toggle-cursor exit - endof - a of \ LF - line# 1+ to line# - 0 to column# - line# #lines >= if - 0 to line# - 1 delete-lines - #lines 1- to line# - toggle-cursor exit - then - endof - b of \ VT - line# 0<> if - line# 1- to line# - then - toggle-cursor exit - endof - c of \ FF - 0 to column# 0 to line# - erase-screen - endof - d of \ CR - 0 to column# - toggle-cursor exit - endof - 1b of \ ESC - 1b (sequence) c! - 1 to (escseq) - endof - - \ draw character and advance position - column# #columns >= if - 0 to column# - line# 1+ to line# - line# #lines >= if - 0 to line# - 1 delete-lines - #lines 1- to line# - then - then - - dup draw-character - column# 1+ to column# - - endcase - toggle-cursor - ; - -['] (term-emit) to fb-emit |