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Diffstat (limited to 'atari/nkcc.s')
| -rwxr-xr-x | atari/nkcc.s | 1067 |
1 files changed, 0 insertions, 1067 deletions
diff --git a/atari/nkcc.s b/atari/nkcc.s deleted file mode 100755 index 56a913160..000000000 --- a/atari/nkcc.s +++ /dev/null @@ -1,1067 +0,0 @@ -|* -|* $Id: nkcc-gc.S,v 1.2 2011/05/16 08:43:20 alanh Exp $ -|* -|* XaAES - XaAES Ain't the AES (c) 1992 - 1998 C.Graham -|* 1999 - 2003 H.Robbers -|* 2004 F.Naumann & O.Skancke -|* -|* A multitasking AES replacement for FreeMiNT -|* -|* This file is part of XaAES. -|* -|* XaAES 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 2 of the License, or -|* (at your option) any later version. -|* -|* XaAES 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 XaAES; if not, write to the Free Software -|* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -|* -|*************************************************************************** -| -| reduced NKCC for the CF-Lib -| GNU-C compatible version -| -|*************************************************************************** - -|*************************************************************************** -| ASSEMBLER CONTROL SECTION -|*************************************************************************** - -VERSION = 0x0294 | NKCC's version - -NKFf_FUNC = 0x8000 -NKFf_RESVD = 0x4000 -NKFf_NUM = 0x2000 -NKFf_CAPS = 0x1000 -NKFf_ALT = 0x0800 -NKFf_CTRL = 0x0400 -NKFf_SHIFT = 0x0300 | both shift keys - -NKFb_FUNC = 15 | function -NKFb_RESVD = 14 | reserved, ignore it! -NKFb_NUM = 13 | numeric pad -NKFb_CAPS = 12 | CapsLock -NKFb_ALT = 11 | Alternate -NKFb_CTRL = 10 | Control -NKFb_LSH = 9 | left Shift key -NKFb_RSH = 8 | right Shift key - -NK_UP = 0x01 | cursor up -NK_DOWN = 0x02 | cursor down -NK_RIGHT = 0x03 | cursor right -NK_LEFT = 0x04 | cursor left -NK_M_PGUP = 0x05 | Mac: page up -NK_M_PGDOWN = 0x06 | Mac: page down -NK_M_END = 0x07 | Mac: end -NK_INS = 0x0b | Insert -NK_CLRHOME = 0x0c | Clr/Home -NK_HELP = 0x0e | Help -NK_UNDO = 0x0f | Undo -NK_M_F11 = 0x1a | Mac: function key #11 -NK_M_F12 = 0x1c | Mac: function key #12 -NK_M_F14 = 0x1d | Mac: function key #14 -NK_ENTER = 0x0a | Enter -NK_DEL = 0x1f | Delete - -|*************************************************************************** -| EXPORT -|*************************************************************************** - - .globl _nkc_init | init NKCC - .globl _nkc_tos2n | TOS key code converter - .globl _nkc_n2tos | NKC to TOS key code converter - .globl _nkc_toupper | convert character to upper case - .globl _nkc_tolower | convert character to lower case - -|*************************************************************************** -| LOCAL TEXT SECTION -|*************************************************************************** - -|*************************************************************************** -| -| nk_findscan: find scan code -| -|*************************************************************************** - -nk_findscan: - btst #NKFb_NUM,d0 | on numeric keypad? - beqs search | no -> - - moveql #0x4a,d1 | yes: try all numeric keypad -#ifdef __mcoldfire__ - cmpb a0@(d1:l),d0 | scan codes first -#else - cmpb a0@(d1:w),d0 | scan codes first -#endif - beqs found1 | it matches -> - - moveql #0x4e,d1 -#ifdef __mcoldfire__ - cmpb a0@(d1:l),d0 -#else - cmpb a0@(d1:w),d0 -#endif - beqs found1 - - moveql #0x63,d1 | block starts at 0x63 - -numsearch: -#ifdef __mcoldfire__ - cmpb a0@(d1:l),d0 | match? -#else - cmpb a0@(d1:w),d0 | match? -#endif - beqs found1 | yes -> - -#ifdef __mcoldfire__ - addql #1,d1 | next scan code -#else - addqw #1,d1 | next scan code -#endif - cmpw #0x73,d1 | block end at 0x72 - bcss numsearch | continue search -> - -search: - moveql #1,d1 | start with first valid scan code - -mainsearch: -#ifdef __mcoldfire__ - cmpb a0@(d1:l),d0 | match? -#else - cmpb a0@(d1:w),d0 | match? -#endif - beqs found1 | yes -> - -#ifdef __mcoldfire__ - addql #1,d1 | next scan code -#else - addqb #1,d1 | next scan code -#endif - cmpb #0x78,d1 | 0x78 = last valid scan code - bcss mainsearch | continue search -> - - moveql #0,d1 | not found - rts - -found1: - tstw d1 | found set CCR - rts - -|*************************************************************************** -| GLOBAL TEXT SECTION -|*************************************************************************** - -|*************************************************************************** -| -| nkc_init: initialize NKCC -| -|*************************************************************************** - -_nkc_init: -|------------- fetch addresses of TOS' key scan code translation tables - - moveql #-1,d0 | the function is also used to - movel d0,sp@- | change the addresses| values - movel d0,sp@- | of -1 as new addresses tell - movel d0,sp@- | XBIOS not to change them - movew #0x10,sp@- | Keytbl - trap #14 | XBIOS - lea sp@(0xe),sp | clean stack - - movel d0,a0 | ^key table structure - movel a0@+,pkey_unshift | get ^unshifted table - movel a0@+,pkey_shift | get ^shifted table - movel a0@,pkey_caps | get ^CapsLock table - -exit1: - movew #VERSION,d0 | load version # - rts | bye - -|*************************************************************************** -| -| nkc_tconv: TOS key code converter -| -|*************************************************************************** - -_nkc_tos2n: - movel sp@(4), d0 | Parameter via Stack! -#ifdef __mcoldfire__ - lea sp@(-12),sp - movem.l d2-d4,sp@ | store registers -#else - movem.l d2-d4,sp@- | store registers -#endif - -|------------- separate TOS key code - - movel d0,d1 | TOS key code - swap d1 | .W = scan code and flags - movew d1,d2 | copy -#ifdef __mcoldfire__ - movel #0xff,d3 | and-mask - andl d3,d0 | .B = ASCII code - andl d3,d1 | .B = scan code -#else - movew #0xff,d3 | and-mask - andw d3,d0 | .B = ASCII code - andw d3,d1 | .B = scan code -#endif - beq tos306 | scancode=zero (key code created - | by ASCII input of TOS 3.06)? -> -#ifdef __mcoldfire__ - andl #0x1f00,d2 | .W = key flags (in high byte) -#else - andw #0x1f00,d2 | .W = key flags (in high byte) -#endif - -|------------- decide which translation table to use - - movew d2,d3 | key flags -#ifdef __mcoldfire__ - andl #NKFf_SHIFT,d3 | isolate bits for shift keys -#else - andw #NKFf_SHIFT,d3 | isolate bits for shift keys -#endif - beqs ktab11 | shift key pressed? no-> - - movel pkey_shift,a0 | yes: use shift table - bras ktab13 | -> - -ktab11: - btst #NKFb_CAPS,d2 | CapsLock? - beqs ktab12 | no-> - - movel pkey_caps,a0 | yes: use CapsLock table - bras ktab13 | -> - -ktab12: - movel pkey_unshift,a0 | use unshifted table - -|------------- check if scan code is out of range -| -| Illegal scancodes can be used to produce 'macro key codes'. Their format is: -| -| - the scancode must be 0x84 or larger (should be 0xff to work properly with old -| versions of Mag!x) -| - the ASCII code must be in the range 0x20...0xff (values below are set to 0x20 -| by NKCC) -| - Alternate and Control are not used for the normalized key code. However, -| if at least one of them is non-zero, then the numeric keypad flag will be -| set in the resulting key code. -| - -ktab13: - cmpb #0x84,d1 | illegal scan code? - bcss ktab14 | no -> - - movew d2,d1 | flags -| andw #NKFf_ALT|NKFf_CTRL,d1 | Alternate or Control? -#ifdef __mcoldfire__ - andl #0xc00,d1 | Alternate or Control? -#else - andw #0xc00,d1 | Alternate or Control? -#endif - beqs special | no -> - -#ifdef __mcoldfire__ - orl #NKFf_NUM,d0 | yes: set numeric keypad flag -#else - orw #NKFf_NUM,d0 | yes: set numeric keypad flag -#endif -| and #NKFf_CAPS|NKFf_SHIFT,d2 | mask off both flags -#ifdef __mcoldfire__ - andl #0x1300,d2 | mask off both flags -#else - andw #0x1300,d2 | mask off both flags -#endif - -special: -#ifdef __mcoldfire__ - orl d2,d0 | combine with ASCII code -#else - orw d2,d0 | combine with ASCII code -#endif -| orw #NKFf_FUNC|NKFf_RESVD,d0 | set function and resvd -#ifdef __mcoldfire__ - orl #0x1300,d0 | set function and resvd -#else - orw #0x1300,d0 | set function and resvd -#endif - cmpb #0x20,d0 | ASCII code in range? - bcc exit2 | yes -> - - moveb #0x20,d0 | no: use minimum - bra exit2 | -> - -|------------- check if Alternate + number: they have simulated scan codes - -ktab14: - cmpb #0x78,d1 | scan code of Alt + number? - bcss scan1 | no-> - -#ifdef __mcoldfire__ - subl #0x76,d1 | yes: calculate REAL scan code - moveb a0@(d1:l),d0 | fetch ASCII code - orl #NKFf_ALT,d2 | set Alternate flag -#else - subb #0x76,d1 | yes: calculate REAL scan code - moveb a0@(d1:w),d0 | fetch ASCII code - orw #NKFf_ALT,d2 | set Alternate flag -#endif - bra cat_codes | -> add flag byte and exit - -|------------- check if exception scan code from cursor keypad - -scan1: - lea xscantab,a1 | ^exception scan code table - -search_scan: - movew a1@+,d3 | NKC and scan code - bmis tabend | <0? end of table reached -> - - cmpb d1,d3 | scan code found? - bnes search_scan | no: continue search -> - -#ifdef __mcoldfire__ - lsrl #8,d3 | .B = NKC -#else - lsrw #8,d3 | .B = NKC -#endif - moveql #0,d0 | mark: key code found - bras scan2 | -> - -tabend: - moveql #0,d3 | no NKC found yet - -|------------- check if rubbish ASCII code and erase it, if so - -scan2: -#ifdef __mcoldfire__ - moveb a0@(d1:l),d4 | ASCII code from translation table -#else - moveb a0@(d1:w),d4 | ASCII code from translation table -#endif - cmpb #32,d0 | ASCII returned by TOS < 32? - bccs scan3 | no -> can't be rubbish - - cmpb d4,d0 | yes: compare with table entry - beqs scan3 | equal: that's ok -> - - moveql #0,d0 | not equal: rubbish! clear it - -|------------- check if ASCII code could only be produced via Alternate key -| combination - -scan3: - tstb d0 | ASCII code valid? - beqs scan4 | no -> - - cmpb d4,d0 | compare with table entry - beqs scan4 | equal: normal key -> - -| and #!NKFf_ALT,d2 | no: clear Alternate flag -#ifdef __mcoldfire__ - andl #0xF7FF,d2 | no: clear Alternate flag -#else - andw #0xF7FF,d2 | no: clear Alternate flag -#endif - -|------------- check if ASCII code found yet, and set it, if not - -scan4: - tstb d0 | found? - bnes scan5 | yes -> - - moveb d3,d0 | no: use code from exception table - bnes scan5 | now valid? yes -> - - moveb d4,d0 | no: use code from transl. table - -|------------- check special case: delete key - -scan5: - cmpb #127,d0 | ASCII code of Delete? - bnes scan6 | no -> - - moveb #NK_DEL,d0 | yes: set according NKC - -|------------- check if key is on numeric keypad (via scan code) - -scan6: - cmpb #0x4a,d1 | numeric pad scan code range? - beqs numeric | yes -> - - cmpb #0x4e,d1 - beqs numeric | yes -> - - cmpb #0x63,d1 - bcss scan7 | no -> - - cmpb #0x72,d1 - bhis scan7 | no -> - -numeric: -#ifdef __mcoldfire__ - orl #NKFf_NUM,d2 | yes: set numeric bit -#else - orw #NKFf_NUM,d2 | yes: set numeric bit -#endif - -|------------- check if "function key" and set bit accordingly - -scan7: - cmpb #32,d0 | ASCII code less than 32? - bccs scan8 | no -> - -#ifdef __mcoldfire__ - orl #NKFf_FUNC,d2 | yes: set function bit -#else - orw #NKFf_FUNC,d2 | yes: set function bit -#endif - -|------------- check special case: Return or Enter key - - cmpb #13,d0 | Return or Enter key? - bnes scan8 | no -> - - btst #NKFb_NUM,d2 | yes: from the numeric pad? - beqs scan8 | no -> it's Return, keep code - - moveql #NK_ENTER,d0 | yes: it's Enter| new code - -|------------- check if function key (F1-F10) via scan code - -scan8: - cmpb #0x54,d1 | shift + function key? - bcss scan9 | no -> - - cmpb #0x5d,d1 - bhis scan9 | no -> - -#ifdef __mcoldfire__ - subl #0x54-0x3b,d1 | yes: scan code for unshifted key -#else - subb #0x54-0x3b,d1 | yes: scan code for unshifted key -#endif - movew d2,d3 | shift flags -#ifdef __mcoldfire__ - andl #NKFf_SHIFT,d3 | any shift key flag set? -#else - andw #NKFf_SHIFT,d3 | any shift key flag set? -#endif - bnes scan9 | yes -> -#ifdef __mcoldfire__ - orl #NKFf_SHIFT,d2 | no: set both flags -#else - orw #NKFf_SHIFT,d2 | no: set both flags -#endif - -scan9: - cmpb #0x3b,d1 | (unshifted) function key? - bcss cat_codes | no -> - - cmpb #0x44,d1 - bhis cat_codes | no -> - - moveb d1,d0 | yes: calc NKC -#ifdef __mcoldfire__ - subl #0x2b,d0 -#else - subb #0x2b,d0 -#endif - -|------------- final flag handling| mix key code (low byte) and flag byte - -cat_codes: - movel pkey_shift,a0 | ^shifted table -#ifdef __mcoldfire__ - moveb a0@(d1:l),d3 | get shifted ASCII code - orl d2,d0 | mix flags with key code - tst.w d0 -#else - moveb a0@(d1:w),d3 | get shifted ASCII code - orw d2,d0 | mix flags with key code -#endif - bmis scan10 | result is "function key"? -> - -#ifdef __mcoldfire__ - andl #NKFf_CTRL+NKFf_ALT,d2 | Control or Alternate pressed? -#else - andw #NKFf_CTRL+NKFf_ALT,d2 | Control or Alternate pressed? -#endif - bnes scan11 | yes -> - -scan10: - movel pkey_unshift,a0 | ^unshifted table -#ifdef __mcoldfire__ - cmpb a0@(d1:l),d3 | shifted ASCII = unshifted ASCII? -#else - cmpb a0@(d1:w),d3 | shifted ASCII = unshifted ASCII? -#endif - beqs scan12 | yes -> - - bras exit2 | no -> - -scan11: -#ifdef __mcoldfire__ - orl #NKFf_FUNC,d0 | Alt/Ctrl + char: set function bit -#else - orw #NKFf_FUNC,d0 | Alt/Ctrl + char: set function bit -#endif - movel pkey_caps,a0 | ^CapsLock table -#ifdef __mcoldfire__ - cmpb a0@(d1:l),d3 | shifted ASCII = CapsLocked ASCII? -#else - cmpb a0@(d1:w),d3 | shifted ASCII = CapsLocked ASCII? -#endif - bnes exit2 | no -> - - moveb d3,d0 | yes: use shifted ASCII code - -scan12: -#ifdef __mcoldfire__ - orl #NKFf_RESVD,d0 | yes: nkc_cmp() has to check -#else - orw #NKFf_RESVD,d0 | yes: nkc_cmp() has to check -#endif - -|------------- restore registers and exit - -exit2: - tstw d0 | set CCR -#ifdef __mcoldfire__ - movem.l sp@,d2-d4 | restore registers - lea sp@(12),sp -#else - movem.l sp@+,d2-d4 | restore registers -#endif - rts | bye - -|------------- special handling for key codes created by TOS' 3.06 ASCII input - -tos306: -#ifdef __mcoldfire__ - andl #NKFf_CAPS,d2 | isolate CapsLock flag - orl d2,d0 | merge with ASCII code - movem.l sp@,d2-d4 | restore registers - lea sp@(12),sp -#else - andw #NKFf_CAPS,d2 | isolate CapsLock flag - orw d2,d0 | merge with ASCII code - movem.l sp@+,d2-d4 | restore registers -#endif - rts | bye - -|*************************************************************************** -| -| nkc_n2tos: convert normalized key codes back to TOS format -| -|*************************************************************************** - -_nkc_n2tos: - movel sp@(4),d0 | Parameter ber Stack! - - movew d0,d1 | normalized key code -| and #NKFf_FUNC|NKFf_ALT|NKFf_CTRL,d1| isolate flags -#ifdef __mcoldfire__ - andl #0x8c00,d1 | isolate flags -#else - andw #0x8c00,d1 | isolate flags -#endif - cmpw #NKFf_FUNC,d1 | only function flag set? - bnes ktab20 | no -> - - cmpb #0x20,d0 | ASCII code >= 0x20? - bcss ktab20 | no -> - -|------------- macro key - - movew d0,d1 | keep normalized key code -| andl #NKFf_CAPS|NKFf_SHIFT,d0 | isolate usable flags - andl #0x1300,d0 | mask off both flags - btst #NKFb_NUM,d1 | numeric keypad flag set? - beqs mackey | no -> - -| or #NKFf_ALT|NKFf_CTRL,d0 | yes: set Alternate + Control -#ifdef __mcoldfire__ - orl #0xc00,d1 | yes: set Alternate + Control? -#else - orw #0xc00,d1 | yes: set Alternate + Control? -#endif - -mackey: -#ifdef __mcoldfire__ - orl #0xff,d0 | scan code always 0xff -#else - orb #0xff,d0 | scan code always 0xff -#endif - swap d0 | flags and scan code in upper word - moveb d1,d0 | ASCII code - bra exit3 | -> - -|------------- select system key table to use - -ktab20: - movew d0,d1 | normalized key code -#ifdef __mcoldfire__ - andl #NKFf_SHIFT,d1 | isolate bits for shift keys -#else - andw #NKFf_SHIFT,d1 | isolate bits for shift keys -#endif - beqs ktab21 | shift key pressed? no-> - - lea n_to_scan_s,a1 | ^default translation table - movel pkey_shift,a0 | yes: use shift table - bras ktab23 | -> - -ktab21: - lea n_to_scan_u,a1 | ^unshifted translation table - btst #NKFb_CAPS,d0 | CapsLock? - beqs ktab22 | no-> - - movel pkey_caps,a0 | yes: use CapsLock table - bras ktab23 | -> - -ktab22: - movel pkey_unshift,a0 | use unshifted table - -|------------- handling for ASCII codes >= 32 - -ktab23: - cmpb #32,d0 | ASCII code < 32? - bcss lowascii | yes -> - - bsr nk_findscan | find scan code - bnes found2 | found -> - - btst #NKFb_FUNC,d0 | function flag set? - beqs notfound | no -> - - movel a0,d1 | save a0 - lea tolower,a0 | ^upper->lower case table - moveql #0,d2 | clear for word operation - moveb d0,d2 | ASCII code -#ifdef __mcoldfire__ - moveb a0@(d2:l),d0 | get lowercased ASCII code -#else - moveb a0@(d2:w),d0 | get lowercased ASCII code -#endif - movel d1,a0 | restore a0 - bsr nk_findscan | try to find scan code again - bnes found2 | found -> - -|------------- unknown source: treat key code as it was entered using the -| TOS 3.06 direct ASCII input - -notfound: - moveql #0,d1 | not found: clear for word op. - moveb d0,d1 | unchanged ASCII code -#ifdef __mcoldfire__ - andl #0x1f00,d0 | keep shift flags only -#else - andw #0x1f00,d0 | keep shift flags only -#endif - swap d0 | -> high word (scan code = 0) - movew d1,d0 | low word: ASCII code - bra exit3 | -> - -|------------- handling for ASCII codes < 32 - -lowascii: - btst #NKFb_FUNC,d0 | function key? - bnes func | yes -> - -#ifdef __mcoldfire__ - andl #0xffff10ff,d0 | clear all flags except CapsLock -#else - andw #0x10ff,d0 | clear all flags except CapsLock -#endif - bras notfound | -> - -func: - moveql #0,d1 | clear for word operation - moveb d0,d1 | ASCII code (0...0x1f) - movew d1,d2 | copy -#ifdef __mcoldfire__ - moveb a1@(d1:l),d1 | get scan code -#else - moveb a1@(d1:w),d1 | get scan code -#endif - bnes getascii | valid? -> - - moveq #0,d0 | invalid key code!! return 0 - bra exit3 | -> - -getascii: - lea n_to_scan_u,a1 | ^unshifted translation table -#ifdef __mcoldfire__ - moveb a1@(d2:l),d2 | get scan code from unshifted tab. - moveb a0@(d2:l),d0 | get ASCII from system's table -#else - moveb a1@(d2:w),d2 | get scan code from unshifted tab. - moveb a0@(d2:w),d0 | get ASCII from system's table -#endif - -| register contents: -| -| d0.b ASCII code -| d1.b scan code -| d0.hb NKCC flags -| - -found2: - movew d0,d2 | flags and ASCII code -#ifdef __mcoldfire__ - andl #0x1f00,d0 | isolate shift flags -#else - andw #0x1f00,d0 | isolate shift flags -#endif - moveb d1,d0 | merge with scan code - swap d0 | -> high byte - clrw d0 | erase low word - moveb d2,d0 | restore ASCII code - -|------------- handling for Control key flag - - btst #NKFb_CTRL,d2 | control key flag set? - beqs alternate | no -> - - cmpb #0x4b,d1 | scan code = "cursor left"? - bnes scanchk2 | no -> - - addl #0x280000,d0 | change scan code to 0x73 - clrb d0 | erase ASCII code - bras exit3 | -> - -scanchk2: - cmpb #0x4d,d1 | scan code = "cursor right"? - bnes scanchk3 | no -> - - addl #0x270000,d0 | change scan code to 0x74 - clrb d0 | erase ASCII code - bras exit3 | -> - -scanchk3: - cmpb #0x47,d1 | scan code = "ClrHome"? - bnes ascchk | no -> - - addl #0x300000,d0 | change scan code to 0x77 -| keep ASCII code in this case! What a mess... - bras exit3 | -> - -ascchk: - lea asc_trans,a0 | ^ASCII translation table - -ascloop: - movew a0@+,d1 | get next entry - beqs noctrlasc | end of table -> - - cmpb d0,d1 | ASCII code found? - bnes ascloop | no -> continue search - -#ifdef __mcoldfire__ - lsrl #8,d1 | yes: get translated code -#else - lsrw #8,d1 | yes: get translated code -#endif - moveb d1,d0 | use it - bras exit3 | -> - -noctrlasc: -#ifdef __mcoldfire__ - andl #0x1f,d0 | mask off upper 3 bits -#else - andb #0x1f,d0 | mask off upper 3 bits -#endif - bras exit3 | -> - -|------------- handling for Alternate key flag - -alternate: - btst #NKFb_ALT,d2 | alternate key flag set? - beqs exit3 | no -> - - cmpb #2,d1 | top row on main keyboard? - bcss alphachk | no -> - - cmpb #0xd,d1 - bhis alphachk | no -> - - addl #0x760000,d0 | yes: change scan code - clrb d0 | and erase ASCII code - bras exit3 | -> - -alphachk: - cmpb #65,d0 | alpha-characters? - bcss exit3 | no -> - - cmpb #122,d0 - bhis exit3 | no -> - - cmpb #90,d0 - blss ascii0 | yes -> - - cmpb #97,d0 - bcss exit3 | no -> - -ascii0: - clrb d0 | alpha-character: clear ASCII code - -exit3: - tstw d0 | set CCR - rts | bye - - -|*************************************************************************** -| -| nkc_toupper: convert character to upper case -| -|*************************************************************************** - -_nkc_toupper: - movel sp@(4),d1 | Parameter via Stack! - lea toupper,a0 | ^upper case translation table -#ifdef __mcoldfire__ - andl #0xff,d1 | high byte = 0 for word operation -#else - andw #0xff,d1 | high byte = 0 for word operation -#endif - moveb a0@(d1:l),d0 | convert - rts | bye - -|*************************************************************************** -| -| nkc_tolower: convert character to lower case -| -|*************************************************************************** - -_nkc_tolower: - movel sp@(4),d1 | Parameter via Stack! - lea tolower,a0 | ^lower case translation table -#ifdef __mcoldfire__ - andl #0xff,d1 | high byte = 0 for word operation -#else - andw #0xff,d1 | high byte = 0 for word operation -#endif - moveb a0@(d1:l),d0 | convert - rts | bye - -|*************************************************************************** -| LOCAL DATA SECTION -|*************************************************************************** - - .data - -| exception scan code table for cursor block keys -| -| first entry.B: NKCC key code -| second entry.B: scan code returned by TOS -| -| the table is terminated with both entries -1 - -xscantab: - .byte NK_UP , 0x48 | cursor up - .byte NK_DOWN , 0x50 | cursor down - .byte NK_LEFT , 0x4b | cursor left - .byte NK_LEFT , 0x73 | Control cursor left - .byte NK_RIGHT , 0x4d | cursor right - .byte NK_RIGHT , 0x74 | Control cursor right - .byte NK_M_PGUP , 0x49 | Mac: page up - .byte NK_M_PGDOWN , 0x51 | Mac: page down - .byte NK_M_END , 0x4f | Mac: end - .byte NK_INS , 0x52 | Insert - .byte NK_CLRHOME , 0x47 | ClrHome - .byte NK_CLRHOME , 0x77 | Control ClrHome - .byte NK_HELP , 0x62 | Help - .byte NK_UNDO , 0x61 | Undo - .byte NK_M_F11 , 0x45 | Mac: F11 - .byte NK_M_F12 , 0x46 | Mac: F12 - .byte NK_M_F14 , 0x37 | Mac: F14 - .word -1 - -| lower case to upper case conversion table -| (array of 256 unsigned bytes) -toupper: - .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 - .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f - .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 - .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f - .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 - .byte 0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F - .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 - .byte 0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F - .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47 - .byte 0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F - .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 - .byte 0x58,0x59,0x5A,0x5B,0x5c,0x5D,0x5E,0x5F - .byte 0x60,0x41,0x42,0x43,0x44,0x45,0x46,0x47 - .byte 0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F - .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 - .byte 0x58,0x59,0x5A,0x7B,0x7C,0x7D,0x7E,0x7F - .byte 0x80,0x9A,0x90,0x83,0x8E,0xB6,0x8F,0x80 - .byte 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F - .byte 0x90,0x92,0x92,0x93,0x99,0x95,0x96,0x97 - .byte 0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F - .byte 0xA0,0xA1,0xA2,0xA3,0xA5,0xA5,0xA6,0xA7 - .byte 0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF - .byte 0xB7,0xB8,0xB2,0xB2,0xB5,0xB5,0xB6,0xB7 - .byte 0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF - .byte 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7 - .byte 0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF - .byte 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7 - .byte 0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF - .byte 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7 - .byte 0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF - .byte 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7 - .byte 0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF - - -| upper case to lower case conversion table -| (array of 256 unsigned bytes) -tolower: - .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 - .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f - .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 - .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f - .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 - .byte 0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F - .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 - .byte 0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F - .byte 0x40,0x61,0x62,0x63,0x64,0x65,0x66,0x67 - .byte 0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F - .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 - .byte 0x78,0x79,0x7A,0x5B,0x5C,0x5D,0x5E,0x5F - .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67 - .byte 0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F - .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 - .byte 0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F - .byte 0x87,0x81,0x82,0x83,0x84,0x85,0x86,0x87 - .byte 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x84,0x86 - .byte 0x82,0x91,0x91,0x93,0x94,0x95,0x96,0x97 - .byte 0x98,0x94,0x81,0x9B,0x9C,0x9D,0x9E,0x9F - .byte 0xA0,0xA1,0xA2,0xA3,0xA4,0xA4,0xA6,0xA7 - .byte 0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF - .byte 0xB0,0xB1,0xB3,0xB3,0xB4,0xB4,0x85,0xB0 - .byte 0xB1,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF - .byte 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7 - .byte 0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF - .byte 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7 - .byte 0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF - .byte 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7 - .byte 0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF - .byte 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7 - .byte 0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF - - -| ASCII code translation table for Control key -| -| first entry.B: modified ASCII code returned by TOS -| second entry.B: original ASCII code as stored in key table -| -| The table is terminated with both entries 0 - -asc_trans: - .byte 0,0x32 | Control '2' becomes ASCII 0 - .byte 0x1e,0x36 | Control '6' becomes ASCII 0x1e - .byte 0x1f,0x2d | Control '-' becomes ASCII 0x1f - .byte 0xa,0xd | Control Return/Enter: 0xd -> 0xa - .word 0 | terminator - - -| normalized key code -> scan code translation table -| for unshifted key codes -| indexed by function code (NK_...) - -n_to_scan_u: - .byte 0x00 | invalid key code - .byte 0x48 | cursor up - .byte 0x50 | cursor down - .byte 0x4d | cursor right - .byte 0x4b | cursor left - .byte 0x49 | Mac: page up - .byte 0x51 | Mac: page down - .byte 0x4f | Mac: end - .byte 0x0e | Backspace - .byte 0x0f | Tab - .byte 0x72 | Enter - .byte 0x52 | Insert - .byte 0x47 | ClrHome - .byte 0x1c | Return - .byte 0x62 | Help - .byte 0x61 | Undo - .byte 0x3b | function key #1 - .byte 0x3c | function key #2 - .byte 0x3d | function key #3 - .byte 0x3e | function key #4 - .byte 0x3f | function key #5 - .byte 0x40 | function key #6 - .byte 0x41 | function key #7 - .byte 0x42 | function key #8 - .byte 0x43 | function key #9 - .byte 0x44 | function key #10 - .byte 0x45 | Mac: F11 - .byte 0x01 | Esc - .byte 0x46 | Mac: F12 - .byte 0x37 | Mac: F14 - .byte 0x00 | reserved! - .byte 0x53 | Delete - -| normalized key code -> scan code translation table -| for shifted key codes -| indexed by function code (NK_...) - -n_to_scan_s: - .byte 0x00 | invalid key code - .byte 0x48 | cursor up - .byte 0x50 | cursor down - .byte 0x4d | cursor right - .byte 0x4b | cursor left - .byte 0x49 | Mac: page up - .byte 0x51 | Mac: page down - .byte 0x4f | Mac: end - .byte 0x0e | Backspace - .byte 0x0f | Tab - .byte 0x72 | Enter - .byte 0x52 | Insert - .byte 0x47 | ClrHome - .byte 0x1c | Return - .byte 0x62 | Help - .byte 0x61 | Undo - .byte 0x54 | function key #1 - .byte 0x55 | function key #2 - .byte 0x56 | function key #3 - .byte 0x57 | function key #4 - .byte 0x58 | function key #5 - .byte 0x59 | function key #6 - .byte 0x5a | function key #7 - .byte 0x5b | function key #8 - .byte 0x5c | function key #9 - .byte 0x5d | function key #10 - .byte 0x45 | Mac: F11 - .byte 0x01 | Esc - .byte 0x46 | Mac: F12 - .byte 0x37 | Mac: F14 - .byte 0x00 | reserved! - .byte 0x53 | Delete - -|*************************************************************************** -| LOCAL BSS SECTION -|*************************************************************************** - -| .bss - -pkey_unshift: - .long 1 | ^unshifted key table - -pkey_shift: - .long 1 | ^shifted key table - -pkey_caps: - .long 1 | ^CapsLock table |