mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-07-02 17:16:11 +02:00
377 lines
9.4 KiB
C++
377 lines
9.4 KiB
C++
/*
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* Copyright (C) 2002-2004 The DOSBox Team
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*
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* This program 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 by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dev_con.h,v 1.19 2004/10/17 14:45:00 qbix79 Exp $ */
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#include "dos_inc.h"
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#include "../ints/int10.h"
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#include <string.h>
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#define NUMBER_ANSI_DATA 10
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class device_CON : public DOS_Device {
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public:
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device_CON();
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bool Read(Bit8u * data,Bit16u * size);
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bool Write(Bit8u * data,Bit16u * size);
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bool Seek(Bit32u * pos,Bit32u type);
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bool Close();
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void ClearAnsi(void);
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Bit16u GetInformation(void);
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private:
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Bit8u cache;
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struct ansi { /* should create a constructor which fills them with the appriorate values */
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bool esc;
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bool sci;
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bool enabled;
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Bit8u attr;
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Bit8u data[NUMBER_ANSI_DATA];
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Bit8u numberofarg;
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Bit16u nrows;
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Bit16u ncols;
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Bit8s savecol;
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Bit8s saverow;
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} ansi;
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};
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bool device_CON::Read(Bit8u * data,Bit16u * size) {
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Bit16u oldax=reg_ax;
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Bit16u count=0;
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if ((cache) && (*size)) {
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data[count++]=cache;
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if(dos.echo) INT10_TeletypeOutput(cache,7);
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cache=0;
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}
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while (*size>count) {
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reg_ah=0;
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CALLBACK_RunRealInt(0x16);
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switch(reg_al) {
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case 13:
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data[count++]=0x0D;
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if (*size>count) data[count++]=0x0A; // it's only expanded if there is room for it. (NO cache)
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*size=count;
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reg_ax=oldax;
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if(dos.echo) {
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INT10_TeletypeOutput(13,7); //maybe don't do this ( no need for it actually ) (but it's compatible)
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INT10_TeletypeOutput(10,7);
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}
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return true;
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break;
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case 8:
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if(*size==1) data[count++]=reg_al; //one char at the time so give back that BS
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else if(count) { //Remove data if it exists (extended keys don't go right)
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data[count--]=0;
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INT10_TeletypeOutput(8,7);
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INT10_TeletypeOutput(' ',7);
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} else {
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continue; //no data read yet so restart whileloop.
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}
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break;
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default:
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data[count++]=reg_al;
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break;
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case 0:
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data[count++]=reg_al;
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if (*size>count) data[count++]=reg_ah;
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else cache=reg_ah;
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break;
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}
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if(dos.echo) { //what to do if *size==1 and character is BS ?????
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INT10_TeletypeOutput(reg_al,7);
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}
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}
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*size=count;
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reg_ax=oldax;
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return true;
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}
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bool device_CON::Write(Bit8u * data,Bit16u * size) {
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Bit16u count=0;
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Bitu i;
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Bit8u col,row;
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Bit8u tempdata;
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while (*size>count) {
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if (!ansi.esc){
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if(data[count]=='\033') {
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/*clear the datastructure */
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ClearAnsi();
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/* start the sequence */
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ansi.esc=true;
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count++;
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continue;
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} else {
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/* pass attribute only if ansi is enabled */
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INT10_TeletypeOutputAttr(data[count],ansi.attr,ansi.enabled);
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count++;
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continue;
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}
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}
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if(!ansi.sci){
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switch(data[count]){
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case '[':
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ansi.sci=true;
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break;
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case '7': /* save cursor pos +attr */
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case '8': /* restore this (Wonder if this is actually used) */
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case 'D':/* scrolling DOWN*/
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case 'M':/* scrolling UP*/
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default:
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LOG(LOG_IOCTL,LOG_NORMAL)("ANSI: unknown char %c after a esc",data[count]); /*prob () */
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ClearAnsi();
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break;
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}
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count++;
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continue;
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}
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/*ansi.esc and ansi.sci are true */
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switch(data[count]){
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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ansi.data[ansi.numberofarg]=10*ansi.data[ansi.numberofarg]+(data[count]-'0');
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break;
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case ';': /* till a max of NUMBER_ANSI_DATA */
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ansi.numberofarg++;
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break;
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case 'm': /* SGR */
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for(i=0;i<=ansi.numberofarg;i++){
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ansi.enabled=true;
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switch(ansi.data[i]){
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case 0: /* normal */
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ansi.attr=0x07;//Real ansi does this as well. (should do current defaults)
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ansi.enabled=false;
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break;
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case 1: /* bold mode on*/
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ansi.attr|=0x08;
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break;
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case 4: /* underline */
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LOG(LOG_IOCTL,LOG_NORMAL)("ANSI:no support for underline yet");
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break;
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case 5: /* blinking */
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ansi.attr|=0x80;
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break;
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case 7: /* reverse */
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ansi.attr=0x70;//Just like real ansi. (should do use current colors reversed)
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break;
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case 30: /* fg color black */
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ansi.attr&=0xf8;
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ansi.attr|=0x0;
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break;
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case 31: /* fg color red */
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ansi.attr&=0xf8;
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ansi.attr|=0x4;
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break;
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case 32: /* fg color green */
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ansi.attr&=0xf8;
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ansi.attr|=0x2;
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break;
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case 33: /* fg color yellow */
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ansi.attr&=0xf8;
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ansi.attr|=0x6;
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break;
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case 34: /* fg color blue */
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ansi.attr&=0xf8;
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ansi.attr|=0x1;
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break;
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case 35: /* fg color magenta */
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ansi.attr&=0xf8;
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ansi.attr|=0x5;
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break;
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case 36: /* fg color cyan */
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ansi.attr&=0xf8;
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ansi.attr|=0x3;
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break;
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case 37: /* fg color white */
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ansi.attr&=0xf8;
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ansi.attr|=0x7;
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break;
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case 40:
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ansi.attr&=0x8f;
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ansi.attr|=0x0;
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break;
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case 41:
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ansi.attr&=0x8f;
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ansi.attr|=0x40;
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break;
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case 42:
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ansi.attr&=0x8f;
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ansi.attr|=0x20;
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break;
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case 43:
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ansi.attr&=0x8f;
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ansi.attr|=0x60;
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break;
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case 44:
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ansi.attr&=0x8f;
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ansi.attr|=0x10;
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break;
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case 45:
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ansi.attr&=0x8f;
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ansi.attr|=0x50;
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break;
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case 46:
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ansi.attr&=0x8f;
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ansi.attr|=0x30;
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break;
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case 47:
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ansi.attr&=0x8f;
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ansi.attr|=0x70;
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break;
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default:
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break;
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}
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}
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ClearAnsi();
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break;
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case 'f':
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case 'H':/* Cursor Pos*/
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if(ansi.data[0]==0) ansi.data[0]=1;
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if(ansi.data[1]==0) ansi.data[1]=1;
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INT10_SetCursorPos(--(ansi.data[0]),--(ansi.data[1]),0); /*ansi=1 based, int10 is 0 based */
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ClearAnsi();
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break;
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/* cursor up down and forward and backward only change the row or the col not both */
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case 'A': /* cursor up*/
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col=CURSOR_POS_COL(0) ;
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row=CURSOR_POS_ROW(0) ;
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tempdata = (ansi.data[0]? ansi.data[0] : 1);
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if(tempdata > row) { row=0; }
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else { row-=tempdata;}
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INT10_SetCursorPos(row,col,0);
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ClearAnsi();
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break;
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case 'B': /*cursor Down */
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col=CURSOR_POS_COL(0) ;
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row=CURSOR_POS_ROW(0) ;
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tempdata = (ansi.data[0]? ansi.data[0] : 1);
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if(tempdata + static_cast<Bitu>(row) >= ansi.nrows)
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{ row = ansi.nrows - 1;}
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else { row += tempdata; }
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INT10_SetCursorPos(row,col,0);
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ClearAnsi();
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break;
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case 'C': /*cursor forward */
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col=CURSOR_POS_COL(0);
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row=CURSOR_POS_ROW(0);
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tempdata=(ansi.data[0]? ansi.data[0] : 1);
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if(tempdata + static_cast<Bitu>(col) >= ansi.ncols)
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{ col = ansi.ncols - 1;}
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else { col += tempdata;}
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INT10_SetCursorPos(row,col,0);
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ClearAnsi();
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break;
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case 'D': /*Cursor Backward */
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col=CURSOR_POS_COL(0);
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row=CURSOR_POS_ROW(0);
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tempdata=(ansi.data[0]? ansi.data[0] : 1);
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if(tempdata > col) {col = 0;}
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else { col -= tempdata;}
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INT10_SetCursorPos(row,col,0);
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ClearAnsi();
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break;
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case 'J': /*erase screen and move cursor home*/
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if(ansi.data[0]==0) ansi.data[0]=2;
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if(ansi.data[0]!=2) {/* only number 2 (the standard one supported) */
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LOG(LOG_IOCTL,LOG_NORMAL)("ANSI: esc[%dJ called : not supported",ansi.data[0]);
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break;
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}
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for(i=0;i<(Bitu)ansi.ncols*ansi.nrows;i++) INT10_TeletypeOutputAttr(' ',ansi.attr,true);
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ClearAnsi();
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INT10_SetCursorPos(0,0,0);
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break;
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case 'h': /* set MODE (if code =7 enable linewrap) */
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case 'I': /*RESET MODE */
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LOG(LOG_IOCTL,LOG_NORMAL)("ANSI: set/reset mode called(not supported)");
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ClearAnsi();
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break;
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case 'u': /* Restore Cursor Pos */
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INT10_SetCursorPos(ansi.saverow,ansi.savecol,0);
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ClearAnsi();
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break;
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case 's': /* SAVE CURSOR POS */
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ansi.savecol=CURSOR_POS_COL(0);
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ansi.saverow=CURSOR_POS_ROW(0);
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ClearAnsi();
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break;
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case 'K':/* erase till end of line */
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for(i = CURSOR_POS_COL(0);i<(Bitu) ansi.ncols; i++) INT10_TeletypeOutputAttr(' ',ansi.attr,true);
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ClearAnsi(); /* maybe set cursor back to starting place ???? */
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break;
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case 'l':/* (if code =7) disable linewrap */
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case 'p':/* reassign keys (needs strings) */
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case 'i':/* printer stuff */
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default:
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LOG(LOG_IOCTL,LOG_NORMAL)("ANSI: unhandled char %c in esc[",data[count]);
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ClearAnsi();
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break;
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}
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count++;
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}
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*size=count;
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return true;
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}
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bool device_CON::Seek(Bit32u * pos,Bit32u type) {
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// seek is valid
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*pos = 0;
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return true;
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}
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bool device_CON::Close() {
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return true;
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}
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Bit16u device_CON::GetInformation(void) {
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Bit16u head=mem_readw(BIOS_KEYBOARD_BUFFER_HEAD);
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Bit16u tail=mem_readw(BIOS_KEYBOARD_BUFFER_TAIL);
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if ((head==tail) && !cache) return 0x80D3; /* No Key Available */
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return 0x8093; /* Key Available */
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};
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device_CON::device_CON() {
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SetName("CON");
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cache=0;
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ansi.enabled=false;
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ansi.attr=0x7;
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ansi.ncols=real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS); //should be updated once set/reset mode is implemented
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ansi.nrows=real_readb(BIOSMEM_SEG,BIOSMEM_NB_ROWS) + 1;
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ansi.saverow=0;
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ansi.savecol=0;
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ClearAnsi();
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}
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void device_CON::ClearAnsi(void){
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for(Bit8u i=0; i<NUMBER_ANSI_DATA;i++) ansi.data[i]=0;
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ansi.esc=false;
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ansi.sci=false;
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ansi.numberofarg=0;
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}
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