; Retro UNIX 386 v1 Kernel (v0.2.2.2) - KYBDATA.INC ; Last Modification: 11/06/2022 ; (Data Section for 'KEYBOARD.INC') ; ; ///////// KEYBOARD DATA /////////////// ; 11/03/2015 ; 05/12/2014 ; 04/12/2014 (derived from pc-xt-286 bios source code -1986-) ; 03/06/86 KEYBOARD BIOS ;--------------------------------------------------------------------------------- ; KEY IDENTIFICATION SCAN TABLES ;--------------------------------------------------------------------------------- ;----- TABLES FOR ALT CASE ------------ ;----- ALT-INPUT-TABLE K30: db 82,79,80,81,75 db 76,77,71,72,73 ; 10 NUMBER ON KEYPAD ;----- SUPER-SHIFT-TABLE db 16,17,18,19,20,21 ; A-Z TYPEWRITER CHARS db 22,23,24,25,30,31 db 32,33,34,35,36,37 db 38,44,45,46,47,48 db 49,50 ;----- TABLE OF SHIFT KEYS AND MASK VALUES ;----- KEY_TABLE _K6: db INS_KEY ; INSERT KEY db CAPS_KEY,NUM_KEY,SCROLL_KEY,ALT_KEY,CTL_KEY db LEFT_KEY,RIGHT_KEY _K6L equ $-_K6 ;----- MASK_TABLE _K7: db INS_SHIFT ; INSERT MODE SHIFT db CAPS_SHIFT,NUM_SHIFT,SCROLL_SHIFT,ALT_SHIFT,CTL_SHIFT db LEFT_SHIFT,RIGHT_SHIFT ;----- TABLES FOR CTRL CASE ;---- CHARACTERS ------ _K8: db 27,-1,0,-1,-1,-1 ; Esc, 1, 2, 3, 4, 5 db 30,-1,-1,-1,-1,31 ; 6, 7, 8, 9, 0, - ;db -1,127,-1,17,23,5 ; =, Bksp, Tab, Q, W, E db -1,127,148,17,23,5 ; 11/06/2022 db 18,20,25,21,9,15 ; R, T, Y, U, I, O db 16,27,29,10,-1,1 ; P, [, ], Enter, Ctrl, A db 19,4,6,7,8,10 ; S, D, F, G, H, J db 11,12,-1,-1,-1,-1 ; K, L, :, ', `, LShift db 28,26,24,3,22,2 ; Bkslash, Z, X, C, V, B db 14,13,-1,-1,-1,-1 ; N, M, ,, ., /, RShift db 150,-1,' ',-1 ; *, ALT, Spc, CL ; ;----- FUNCTIONS ------ db 94,95,96,97,98,99 ; F1 - F6 db 100,101,102,103,-1,-1 ; F7 - F10, NL, SL db 119,141,132,142,115,143 ; Home, Up, PgUp, -, Left, Pad5 db 116,144,117,145,118,146 ; Right, +, End, Down, PgDn, Ins db 147,-1,-1,-1,137,138 ; Del, SysReq, Undef, WT, F11, F12 ;----- TABLES FOR LOWER CASE ---------- K10: db 27,'1234567890-=',8,9 db 'qwertyuiop[]',13,-1,'asdfghjkl;',39 db 96,-1,92,'zxcvbnm,./',-1,'*',-1,' ',-1 ;----- LC TABLE SCAN db 59,60,61,62,63 ; BASE STATE OF F1 - F10 db 64,65,66,67,68 db -1,-1 ; NL, SL ;----- KEYPAD TABLE K15: db 71,72,73,-1,75,-1 ; BASE STATE OF KEYPAD KEYS db 77,-1,79,80,81,82,83 db -1,-1,92,133,134 ; SysRq, Undef, WT, F11, F12 ;----- TABLES FOR UPPER CASE ---------- K11: db 27,'!@#$%',94,'&*()_+',8,0 db 'QWERTYUIOP{}',13,-1,'ASDFGHJKL:"' db 126,-1,'|ZXCVBNM<>?',-1,'*',-1,' ',-1 ;----- UC TABLE SCAN K12: db 84,85,86,87,88 ; SHIFTED STATE OF F1 - F10 db 89,90,91,92,93 db -1,-1 ; NL, SL ;----- NUM STATE TABLE K14: db '789-456+1230.' ; NUMLOCK STATE OF KEYPAD KEYS ; db -1,-1,124,135,136 ; SysRq, Undef, WT, F11, F12 Align 4 ;---------------------------------------- ; VIDEO DISPLAY DATA AREA ; ;---------------------------------------- CRT_MODE db 3 ; CURRENT DISPLAY MODE (TYPE) CRT_MODE_SET db 29h ; CURRENT SETTING OF THE 3X8 REGISTER ; (29h default setting for video mode 3) ; Mode Select register Bits ; BIT 0 - 80x25 (1), 40x25 (0) ; BIT 1 - ALPHA (0), 320x200 GRAPHICS (1) ; BIT 2 - COLOR (0), BW (1) ; BIT 3 - Video Sig. ENABLE (1), DISABLE (0) ; BIT 4 - 640x200 B&W Graphics Mode (1) ; BIT 5 - ALPHA mode BLINKING (1) ; BIT 6, 7 - Not Used ; Mode 0 - 2Ch = 101100b ; 40x25 text, 16 gray colors ; Mode 1 - 28h = 101000b ; 40x25 text, 16 fore colors, 8 back colors ; Mode 2 - 2Dh = 101101b ; 80x25 text, 16 gray colors ; MODE 3 - 29h = 101001b ; 80x25 text, 16 fore color, 8 back color ; Mode 4 - 2Ah = 101010b ; 320x200 graphics, 4 colors ; Mode 5 - 2Eh = 101110b ; 320x200 graphics, 4 gray colors ; Mode 6 - 1Eh = 011110b ; 640x200 graphics, 2 colors ; Mode 7 - 29h = 101001b ; 80x25 text, black & white colors ; Mode & 37h = Video signal OFF ; 26/08/2014 ; Retro UNIX 8086 v1 - UNIX.ASM (03/03/2014) ; Derived from IBM "pc-at" ; rombios source code (06/10/1985) ; 'dseg.inc' ;---------------------------------------; ; SYSTEM DATA AREA ; ;---------------------------------------- BIOS_BREAK db 0 ; BIT 7=1 IF BREAK KEY HAS BEEN PRESSED ;---------------------------------------- ; KEYBOARD DATA AREAS ; ;---------------------------------------- KB_FLAG db 0 ; KEYBOARD SHIFT STATE AND STATUS FLAGS KB_FLAG_1 db 0 ; SECOND BYTE OF KEYBOARD STATUS KB_FLAG_2 db 0 ; KEYBOARD LED FLAGS KB_FLAG_3 db 0 ; KEYBOARD MODE STATE AND TYPE FLAGS ALT_INPUT db 0 ; STORAGE FOR ALTERNATE KEY PAD ENTRY BUFFER_START dd KB_BUFFER ; OFFSET OF KEYBOARD BUFFER START BUFFER_END dd KB_BUFFER + 32 ; OFFSET OF END OF BUFFER BUFFER_HEAD dd KB_BUFFER ; POINTER TO HEAD OF KEYBOARD BUFFER BUFFER_TAIL dd KB_BUFFER ; POINTER TO TAIL OF KEYBOARD BUFFER ; ------ HEAD = TAIL INDICATES THAT THE BUFFER IS EMPTY KB_BUFFER times 16 dw 0 ; ROOM FOR 16 SCAN CODE ENTRIES ; /// End Of KEYBOARD DATA ///