From 7fd8dc17cf6bf4fda59f56381c38a404fd682b1c Mon Sep 17 00:00:00 2001 From: Ian C Date: Fri, 13 Mar 2020 14:42:41 +0000 Subject: Initial documentation to record ideas regarding the keyboard. --- doc/instruction.txt | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 doc/instruction.txt (limited to 'doc') diff --git a/doc/instruction.txt b/doc/instruction.txt new file mode 100644 index 0000000..3e80aea --- /dev/null +++ b/doc/instruction.txt @@ -0,0 +1,44 @@ + czx81 - A CURSES based ZX81 emulator + Copyright (C) 2020 Ian Cowburn + +KEYBOARD +-------- + +All normal characters should produce the equivalent character if it exists +on the ZX81. The emulator assumes you can generate the characters A-Z which +will be mapped to the equivalent ZX81 key when a lower case character is +entered. An upper case character will generate the shifted version of the +character as it appeared on the ZX81 keyboard. + +The cursor keys should act as cursor keys. + +The ESCAPE key will display the runtime menu. + +The following keys have the following effects: + +F1 - Emulate the EDIT key (shift 1) +F2 - Emulate the AND key (shift 2) +F3 - Emulate the THEN key (shift 3) +F4 - Emulate the TO key (shift 4) +F5 - Emulate the GRAPHICS key (shift 9) +F6 - Emulate the FUNCTION key (shift new line) +F7 - Emulate the BREAK key (shift space) +BACKSPACE - Emulate the RUBOUT key (shift 0) +DELETE - Emulate the RUBOUT key (shift 0) + + +LICENSE +------- + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . -- cgit v1.2.3