190 lines
17 KiB
C
190 lines
17 KiB
C
/////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Name: keytable.h
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// Created: Jan 2022
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// Version: v1.0
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// Author(s): Philip Smart
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// Description: The PS/2 Scan Code to MZ-2500/2800 Key Matrix mapping logic.
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// This source file contains the definitions and tables to convert a PS/2 scan code
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// into an MZ 13x8 matrix equivalent for the received key. The matrix is then read
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// out to the MZ-2500/2800 as though it was a real keyboard.
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// Credits:
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// Copyright: (c) 2019-2022 Philip Smart <philip.smart@net2net.org>
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//
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// History: Jan 2022 - Initial write.
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//
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// Notes: See Makefile to enable/disable conditional components
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//
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/////////////////////////////////////////////////////////////////////////////////////////////////////////
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// This source file is free software: you can redistribute it and#or modify
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// it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This source file is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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/////////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef KEYTABLE_H
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#define KEYTABLE_H
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// The initial mapping is made inside the PS2KeyAdvanced class from Scan Code Set 2 to ASCII
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// for a selected keyboard. Special functions are detected and combined inside this module
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// before mapping with the table below to MZ Scan Matrix.
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// ie. PS/2 Scan Code -> ASCII + Flags -> MZ Scan Matrix
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#include <PS2KeyAdvanced.h>
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///////////////////////////
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// MZ-2500 Keyboard Map. //
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///////////////////////////
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//
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// Row D7 D6 D5 D4 D3 D2 D1 D0
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//----------------------------------------------------------------------------------
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// 0 F8 F7 F6 F5 F4 F3 F2 F1
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// 1 - + . , 9 8 F1O F9
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// 2 7 6 5 4 3 2 1 0
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// 3 BREAK RIGHT LEFT DOWN UP RETURN SPACE TAB
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// 4 G F E D C B A ?
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// 5 O N M L K J I H
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// 6 W V U T S R Q P
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// 7 <¿ .>¿ ¿¿ ¿ | '¿ Z ¿ Y X ¿
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// 8 7' 6& 5% 4$ 3# 2" 1! 0
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// 9 [( @ -= ;+ :* 9) 8(
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// 10 / * ESC BACKSPACE INST/DEL CLR/HOME COPY ]}
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// 11 CTRL ¿¿ SHIFT LOCK GRAPH
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// 12 ¿¿ ¿¿¿
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// 13 HELP ARGO
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#define PSMZTBL_KEYPOS 0
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#define PSMZTBL_SHIFTPOS 1
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#define PSMZTBL_FUNCPOS 2
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#define PSMZTBL_CTRLPOS 3
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#define PSMZTBL_ALTPOS 4
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#define PSMZTBL_ALTGRPOS 5
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#define PSMZTBL_MXROW1 6
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#define PSMZTBL_MXKEY1 7
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#define PSMZTBL_MXROW2 8
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#define PSMZTBL_MXKEY2 9
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#define PSMZTBL_MXROW3 10
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#define PSMZTBL_MXKEY3 11
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#define PSMZTBL_MAXROWS 12
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// Lookup table to matrix row/column co-ordinates. If a PS2 key is matched, then the Matrix is updated
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// using ROW to point into the array, equivalent of strobe line, and the KEY defines the bits to be set.
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// A set bit = 0, reset bits = 1. The KEY value needs to be inverted and masked with the matrix
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// to affect change.
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const unsigned char PS2toMZ[][PSMZTBL_MAXROWS] =
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{
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// PS2 Code Shift Function Ctrl ALT ALT-Gr MXROW1 MXKEY1 MXROW2 MXKEY2 MXROW3 MXKEY3
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PS2_KEY_F1, 0, 0, 0, 0, 0, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F2, 0, 0, 0, 0, 0, 0x00, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F3, 0, 0, 0, 0, 0, 0x00, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F4, 0, 0, 0, 0, 0, 0x00, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F5, 0, 0, 0, 0, 0, 0x00, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F6, 0, 0, 0, 0, 0, 0x00, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F7, 0, 0, 0, 0, 0, 0x00, 0x40, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F8, 0, 0, 0, 0, 0, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F9, 0, 0, 0, 0, 0, 0x01, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F10, 0, 0, 0, 0, 0, 0x01, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F11, 0, 0, 0, 0, 0, 0x0D, 0x02, 0xFF, 0xFF, 0xFF, 0xFF, // HELP
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PS2_KEY_F12, 0, 0, 0, 0, 0, 0x03, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, // BREAK
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PS2_KEY_TAB, 0, 0, 0, 0, 0, 0x03, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_PIPE, 0, 0, 0, 0, 0, 0x07, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_L_ALT, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_R_ALT, 0, 0, 0, 0, 0, 0x0B, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, // GRAPH
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PS2_KEY_L_SHIFT, 0, 0, 0, 0, 0, 0x0B, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_L_CTRL, 0, 0, 0, 0, 0, 0x0B, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_R_CTRL, 0, 0, 0, 0, 0, 0x0B, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_0, 0, 0, 0, 0, 0, 0x02, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_1, 0, 0, 0, 0, 0, 0x02, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_2, 0, 0, 0, 0, 0, 0x02, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_3, 0, 0, 0, 0, 0, 0x02, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_4, 0, 0, 0, 0, 0, 0x02, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_5, 0, 0, 0, 0, 0, 0x02, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_6, 0, 0, 0, 0, 0, 0x02, 0x40, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_7, 0, 0, 0, 0, 0, 0x02, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_8, 0, 0, 0, 0, 0, 0x01, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_9, 0, 0, 0, 0, 0, 0x01, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_A, 0, 0, 0, 0, 0, 0x04, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_B, 0, 0, 0, 0, 0, 0x04, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_C, 0, 0, 0, 0, 0, 0x04, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_D, 0, 0, 0, 0, 0, 0x04, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_E, 0, 0, 0, 0, 0, 0x04, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_F, 0, 0, 0, 0, 0, 0x04, 0x40, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_G, 0, 0, 0, 0, 0, 0x04, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_H, 0, 0, 0, 0, 0, 0x05, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_I, 0, 0, 0, 0, 0, 0x05, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_J, 0, 0, 0, 0, 0, 0x05, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_K, 0, 0, 0, 0, 0, 0x05, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_L, 0, 0, 0, 0, 0, 0x05, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_M, 0, 0, 0, 0, 0, 0x05, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_N, 0, 0, 0, 0, 0, 0x05, 0x40, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_O, 0, 0, 0, 0, 0, 0x05, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_P, 0, 0, 0, 0, 0, 0x06, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_Q, 0, 0, 0, 0, 0, 0x06, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_R, 0, 0, 0, 0, 0, 0x06, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_S, 0, 0, 0, 0, 0, 0x06, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_T, 0, 0, 0, 0, 0, 0x06, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_U, 0, 0, 0, 0, 0, 0x06, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_V, 0, 0, 0, 0, 0, 0x06, 0x40, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_W, 0, 0, 0, 0, 0, 0x06, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_X, 0, 0, 0, 0, 0, 0x07, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_Y, 0, 0, 0, 0, 0, 0x07, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_Z, 0, 0, 0, 0, 0, 0x07, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_SPACE, 0, 0, 0, 0, 0, 0x03, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_COMMA, 0, 0, 0, 0, 0, 0x01, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_SEMI, 0, 0, 0, 0, 0, 0x09, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_STOP, 0, 0, 0, 0, 0, 0x01, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_DIV, 0, 0, 0, 0, 0, 0x0A, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_MINUS, 0, 0, 0, 0, 0, 0x01, 0x80, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_APOS, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_OPEN_SQ, 0, 0, 0, 0, 0, 0x09, 0x40, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_EQUAL, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_CAPS, 0, 0, 0, 0, 0, 0x08, 0x02, 0xFF, 0xFF, 0xFF, 0xFF, // LOCK
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PS2_KEY_R_SHIFT, 0, 0, 0, 0, 0, 0x0B, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_ENTER, 0, 0, 0, 0, 0, 0x03, 0x04, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_CLOSE_SQ, 0, 0, 0, 0, 0, 0x0A, 0x01, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_BACK, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_LESSTHAN, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_BS, 0, 0, 0, 0, 0, 0x0A, 0x10, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_ESC, 0, 0, 0, 0, 0, 0x0A, 0x20, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP1, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP2, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP3, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP4, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP5, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP6, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP7, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP8, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP9, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP_COMMA, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP_PLUS, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP_MINUS, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP_TIMES, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_KP_DIV, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_SCROLL, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_INSERT, 0, 0, 0, 0, 0, 0x0A, 0x08, 0x0B, 0x04, 0xFF, 0xFF, // SHIFT + INST/DEL
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PS2_KEY_HOME, 0, 0, 0, 0, 0, 0x0A, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, // CLR/HOME
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PS2_KEY_PGUP, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_DELETE, 0, 0, 0, 0, 0, 0x0A, 0x08, 0xFF, 0xFF, 0xFF, 0xFF, // INST/DEL
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PS2_KEY_END, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_PGDN, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_UP_ARROW, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_L_ARROW, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_DN_ARROW, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_R_ARROW, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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PS2_KEY_NUM, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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};
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// PS/2 BREAK key code string
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const unsigned char BREAK_CODE[8]={0xE1,0x14,0x77,0xE1,0xF0,0x14,0xF0,0x77};
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#endif // KEYTABLE_H
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