/* * Copyright (C) 2002 The DOSBox Team * * 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 2 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 Library General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "dos_inc.h" #include "../ints/int10.h" #define NUMBER_ANSI_DATA 10 class device_CON : public DOS_Device { public: device_CON(); bool Read(Bit8u * data,Bit16u * size); bool Write(Bit8u * data,Bit16u * size); bool Seek(Bit32u * pos,Bit32u type); bool Close(); void ClearAnsi(void); Bit16u GetInformation(void); private: Bit8u cache; struct ansi { /* should create a constructor which fills them with the appriorate values */ bool esc; bool sci; Bit8u attr; Bit8u data[NUMBER_ANSI_DATA]; Bit8u numberofarg; Bit16u nrows; Bit16u ncols; Bit8s savecol; Bit8s saverow; } ansi; }; void INT10_TeletypeOutput(Bit8u chr,Bit8u attr,bool showattr, Bit8u page); void INT10_SetCursorPos(Bit8u row,Bit8u col,Bit8u page); bool device_CON::Read(Bit8u * data,Bit16u * size) { Bit16u oldax=reg_ax; Bit16u count=0; if ((cache) && (*size)) { data[count++]=cache; if(dos.echo) { INT10_TeletypeOutput(cache,7,false,0); } cache=0; } while (*size>count) { reg_ah=0; CALLBACK_RunRealInt(0x16); switch(reg_al) { case 13: data[count++]=0x0D; if (*size>count) data[count++]=0x0A; // it's only expanded if there is room for it. (NO cache) *size=count; reg_ax=oldax; if(dos.echo) { INT10_TeletypeOutput(13,7,false,0); //maybe don't do this ( no need for it actually ) (but it's compatible) INT10_TeletypeOutput(10,7,false,0); } return true; break; case 8: if(*size==1) data[count++]=reg_al; //one char at the time so give back that BS else if(count) { //Remove data if it exists (extended keys don't go right) data[count--]=0; INT10_TeletypeOutput(8,7,false,0); INT10_TeletypeOutput(' ',7,false,0); } else { continue; //no data read yet so restart whileloop. } break; default: data[count++]=reg_al; break; case 0: data[count++]=reg_al; if (*size>count) data[count++]=reg_ah; else cache=reg_ah; break; } if(dos.echo) { //what to do if *size==1 and character is BS ????? INT10_TeletypeOutput(reg_al,7,false,0); } } *size=count; reg_ax=oldax; return true; } bool device_CON::Write(Bit8u * data,Bit16u * size) { Bit16u count=0; Bitu i; Bit8s col,row; static bool ansiwarned=false; while (*size>count) { if (!ansi.esc){ if(data[count]=='\033') { /*clear the datastructure */ ClearAnsi(); /* start the sequence */ ansi.esc=true; count++; if(!ansiwarned) { LOG_WARN("ANSI sequences detected. enabling ansi support"); /* maybe LOG_MSG */ ansiwarned=true; } continue; } else { INT10_TeletypeOutput(data[count],ansi.attr,true,0); count++; continue; }; }; /* ansi.esc=true */ if(!ansi.sci){ switch(data[count]){ case '[': ansi.sci=true; break; case '7': /* save cursor pos +attr */ case '8': /* restore this (Wonder if this is actually used) */ case 'D':/* scrolling DOWN*/ case 'M':/* scrolling UP*/ default: LOG_DEBUG("ANSI: unknown char %c after a esc",data[count]); /*prob () */ ClearAnsi(); break; } count++; continue; } /*ansi.esc and ansi.sci are true */ switch(data[count]){ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': ansi.data[ansi.numberofarg]=10*ansi.data[ansi.numberofarg]+(data[count]-'0'); break; case ';': /* till a max of NUMBER_ANSI_DATA */ ansi.numberofarg++; break; case 'm': /* SGR */ for(i=0;i<=ansi.numberofarg;i++){ switch(ansi.data[i]){ case 0: /* normal */ ansi.attr=0x7; break; case 1: /* bold mode on*/ ansi.attr|=0x8; break; case 4: /* underline */ LOG_DEBUG("ANSI:no support for underline yet"); break; case 5: /* blinking */ LOG_DEBUG("ANSI:no support for blinking yet"); break; case 7: /* reverse */ LOG_DEBUG("ANSI:no support for reverse yet"); break; case 30: /* fg color black */ ansi.attr&=0xf8; ansi.attr|=0x0; break; case 31: /* fg color red */ ansi.attr&=0xf8; ansi.attr|=0x4; break; case 32: /* fg color green */ ansi.attr&=0xf8; ansi.attr|=0x2; break; case 33: /* fg color yellow */ ansi.attr&=0xf8; ansi.attr|=0x6; break; case 34: /* fg color blue */ ansi.attr&=0xf8; ansi.attr|=0x1; break; case 35: /* fg color magenta */ ansi.attr&=0xf8; ansi.attr|=0x5; break; case 36: /* fg color cyan */ ansi.attr&=0xf8; ansi.attr|=0x3; break; case 37: /* fg color white */ ansi.attr&=0xf8; ansi.attr|=0x7; break; case 40: ansi.attr&=0x8f; ansi.attr|=0x0; break; case 41: ansi.attr&=0x8f; ansi.attr|=0x40; break; case 42: ansi.attr&=0x8f; ansi.attr|=0x20; break; case 43: ansi.attr&=0x8f; ansi.attr|=0x60; break; case 44: ansi.attr&=0x8f; ansi.attr|=0x10; break; case 45: ansi.attr&=0x8f; ansi.attr|=0x50; break; case 46: ansi.attr&=0x8f; ansi.attr|=0x30; break; case 47: ansi.attr&=0x8f; ansi.attr|=0x70; break; default: break; } } ClearAnsi(); break; case 'f': case 'H':/* Cursor Pos*/ if(ansi.data[0]==0) ansi.data[0]=1; if(ansi.data[1]==0) ansi.data[1]=1; INT10_SetCursorPos(--(ansi.data[0]),--(ansi.data[1]),0); /*ansi=1 based, int10 is 0 based */ ClearAnsi(); break; case 'A': /* cursor up*/ col=CURSOR_POS_COL(0) ; row=CURSOR_POS_ROW(0) - (ansi.data[0]? ansi.data[0] : 1); INT10_SetCursorPos(row,col,0); ClearAnsi(); break; case 'C': /*cursor forward */ col=CURSOR_POS_COL(0) + (ansi.data[0]? ansi.data[0] : 1); row=CURSOR_POS_ROW(0); while(col>=ansi.ncols) { row++; col = col - ansi.ncols; // should depend on linebrake mode } INT10_SetCursorPos(row,col,0); ClearAnsi(); break; case 'J': /*erase screen and move cursor home*/ if(ansi.data[0]==0) ansi.data[0]=2; if(ansi.data[0]!=2) {/* only number 2 (the standard one supported) */ LOG_DEBUG("ANSI: esc[%dJ called : not supported",ansi.data[0]); break; } for(i=0;i<(Bitu)ansi.ncols*ansi.nrows;i++) INT10_TeletypeOutput(' ',ansi.attr,true,0); ClearAnsi(); INT10_SetCursorPos(0,0,0); break; case 'h': /* set MODE (if code =7 enable linewrap) */ case 'I': /*RESET MODE */ LOG_DEBUG("ANSI: set/reset mode called(not supported)"); ClearAnsi(); break; case 'D': /*Cursor Backward */ col=CURSOR_POS_COL(0) - (ansi.data[0]? ansi.data[0] : 1); row=CURSOR_POS_ROW(0); while(col<0) { row--; col = col + ansi.ncols ; // should depend on linebrake mode } INT10_SetCursorPos(row,col,0); ClearAnsi(); break; case 'u': /* Restore Cursor Pos */ INT10_SetCursorPos(ansi.saverow,ansi.savecol,0); ClearAnsi(); break; case 's': /* SAVE CURSOR POS */ ansi.savecol=CURSOR_POS_COL(0); ansi.saverow=CURSOR_POS_ROW(0); ClearAnsi(); break; case 'K':/* erase till end of line */ case 'l':/* (if code =7) disable linewrap */ case 'p':/* reassign keys (needs strings) */ case 'i':/* printer stuff */ default: LOG_DEBUG("ANSI: unhandled char %c in esc[",data[count]); ClearAnsi(); break; } count++; } *size=count; return true; } bool device_CON::Seek(Bit32u * pos,Bit32u type) { // seek is valid *pos = 0; return true; } bool device_CON::Close() { return false; } Bit16u device_CON::GetInformation(void) { Bit16u head=mem_readw(BIOS_KEYBOARD_BUFFER_HEAD); Bit16u tail=mem_readw(BIOS_KEYBOARD_BUFFER_TAIL); if ((head==tail) && !cache) return 0x80D3; /* No Key Available */ return 0x8093; /* Key Available */ }; device_CON::device_CON() { name="CON"; cache=0; ansi.esc=false; ansi.sci=false; ansi.attr=0x7; ansi.numberofarg=0; for(Bit8u i=0; i