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-rw-r--r--terminal/terminal.c530
-rw-r--r--terminal/terminal.h77
2 files changed, 0 insertions, 607 deletions
diff --git a/terminal/terminal.c b/terminal/terminal.c
deleted file mode 100644
index 6ac1533..0000000
--- a/terminal/terminal.c
+++ /dev/null
@@ -1,530 +0,0 @@
-//
-// http://en.wikipedia.org/wiki/VT52
-// http://vt100.net/docs/vt520-rm/
-// man 4 console_codes
-//
-
-
-
-#include "terminal.h"
-#include "kernel/kmalloc.h"
-#include "driver/screen.h"
-
-
-#include <stddef.h>
-
-typedef enum {
-
- ecma48_reset,
- ecma48_bold,
- ecma48_halfbright,
- ecma48_underscore,
- ecma48_blink,
- ecma48_reverse_video,
- ecma48_reset_mapping,
- ecma48_null_mapping_1,
- ecma48_null_mapping_2,
- ecma48_normalbright_1,
- ecma48_normalbright_2,
- ecma48_nounderline,
- ecma48_blinkoff,
- ecma48_reverse_video_off,
-
- ecma48_fg_black =30,
- ecma48_fg_red,
- ecma48_fg_green,
- ecma48_fg_brown,
- ecma48_fg_blue,
- ecma48_fg_magenta,
- ecma48_fg_cyan,
- ecma48_fg_white,
- ecma48_undersore_on, // set def color
- ecma48_undersore_off, // set def color
-
- ecma48_bg_black,
- ecma48_bg_red,
- ecma48_bg_green,
- ecma48_bg_brown,
- ecma48_bg_blue,
- ecma48_bg_magenta,
- ecma48_bg_cyan,
- ecma48_bg_white,
-
- ecma48_bg_default =49,
-
-}terminal_settings;
-//
-
-#define NPAR_START 1000
-#define TERM_WIDTH 80
-#define TERM_HEIGHT 24
-
-static uint32_t index(terminal_tty *tty, uint32_t x, uint32_t y)
-{
- return tty->width*y+x;
-}
-
-static void set_char(terminal_tty *tty, uint32_t x, uint32_t y, uint8_t c, uint8_t fg, uint8_t bg)
-{
- tty->data[index(tty,x,y)]=c;
- tty->data[index(tty,x,y)]|=fg<<8;
- tty->data[index(tty,x,y)]|=bg<<16;
- tty->screen->put_char(c,fg,bg,x,y);
-}
-
-static void process_graphic_npar(terminal_tty *tty, terminal_settings s)
-{
- uint8_t buf;
-
- switch(s)
- {
- case ecma48_reset:
- tty->fg=SCR_WHITE;
- tty->bg=SCR_BLACK;
- break;
-
- case ecma48_reverse_video:
-
- if(tty->reverse_video)break;
- buf=tty->fg;
- tty->fg=tty->bg;
- tty->bg=buf;
- break;
-
- case ecma48_reverse_video_off:
-
- if(!tty->reverse_video)break;
- buf=tty->fg;
- tty->fg=tty->bg;
- tty->bg=buf;
- break;
-
- //fg
-
- case ecma48_fg_black:
- tty->fg=SCR_BLACK;
- break;
-
- case ecma48_fg_red:
- tty->fg=SCR_RED;
- break;
-
- case ecma48_fg_green:
- tty->fg=SCR_GREEN;
- break;
-
- case ecma48_fg_brown:
- tty->fg=SCR_BROWN;
- break;
-
- case ecma48_fg_blue:
- tty->fg=SCR_BLUE;
- break;
-
- case ecma48_fg_magenta:
- tty->fg=SCR_MAGENTA;
- break;
-
- case ecma48_fg_cyan:
- tty->fg=SCR_CYAN;
- break;
-
- case ecma48_fg_white:
- tty->fg=SCR_WHITE;
- break;
- // bg
-
- case ecma48_bg_black:
- tty->bg=SCR_BLACK;
- break;
-
- case ecma48_bg_red:
- tty->bg=SCR_RED;
- break;
-
- case ecma48_bg_green:
- tty->bg=SCR_GREEN;
- break;
-
- case ecma48_bg_brown:
- tty->bg=SCR_BROWN;
- break;
-
- case ecma48_bg_blue:
- tty->bg=SCR_BLUE;
- break;
-
- case ecma48_bg_magenta:
- tty->bg=SCR_MAGENTA;
- break;
-
- case ecma48_bg_cyan:
- tty->bg=SCR_CYAN;
- break;
-
- case ecma48_bg_white:
- tty->bg=SCR_WHITE;
- break;
-
- case ecma48_bg_default:
- tty->bg=SCR_BLACK;
- break;
-
- }
-}
-
-static void process_graphic_npars(terminal_tty *tty)
-{
-
- char buf[4];
- int b=0;
-
- tty->escaping=0;
-
- for(int i=0;i<tty->npar+1;i++)
- {
- char c=tty->command[NPAR_START+i];
- buf[b++]=c;
-
- if(i==tty->npar||c==';')
- {
- if(b==2)process_graphic_npar(tty,buf[0]-'0');
- if(b==3)process_graphic_npar(tty,(buf[0]-'0')*10+(buf[1]-'0'));
- b=0;
- }
- //terminal_put(tty,tty->command[NPAR_START+i]);
- }
-
- tty->npar=0;
-
-}
-
-static void reset(terminal_tty *tty)
-{
- tty->bg=SCR_BLACK;
- tty->fg=SCR_WHITE;
-
- for(int x=0;x<tty->width;x++)
- for(int y=0;y<tty->height;y++)
- {
- set_char(tty,x,y,' ',tty->fg,tty->bg);
- }
-
- tty->x=0;
- tty->y=0;
- tty->command_l=0;
-}
-
-terminal_tty terminal_init(term_out *screen,term_in *input)
-{
- terminal_tty tty;
-
- tty.data=kballoc(2);
-
- tty.set_buff=true;
-// tty.set_buff=false;
-
- tty.set_lfnl=true;
-// tty.set_lfnl=false;
-
-
- tty.set_echo=true;
- tty.set_echo=false;
-
- tty.command=kballoc(1);
- tty.command_l=0;
-
- tty.escaping=0;
-
- tty.screen=screen;
- tty.input=input;
-
- tty.x=0;
- tty.y=0;
-
- tty.width=TERM_WIDTH;
- tty.height=TERM_HEIGHT;
-
- tty.reverse_video=false;
-
- reset(&tty);
-
- return tty;
-}
-
-/*
-void terminal_kb(terminal_tty *tty, uint8_t c)
-{
- if(tty->set_echo)terminal_put(tty,c);
-
- if(tty->set_buff)
- {
- tty->command[tty->command_l]=c;
- (tty->command_l)++;
-
- if(c==0x08)
- {
- tty->command_l-=2;
- if(tty->command_l<0)tty->command_l=0;
- }
- else if(c=='\n')
- {
- // write command to ringbuff
- for(int i=0;i<tty->command_l;i++)
- tty->input->put_char(tty->command[i]);
-
- tty->command_l=0;
- }
- }
- else
- {
- tty->input->put_char(c);
- }
-
-}
-*/
-
-// send one ASCII character to the terminal
-bool terminal_put(terminal_tty *tty, uint8_t c)
-{
-
- // CONTROL CHARACTERS
- if(c==0x07){return;} // BEL (ignore)
- if(c==0x7F){return;} // nothing
-
- if(c==0x09) // TAB
- {
- if(tty->x==tty->width-1)return;
- set_char(tty,tty->x,tty->y,' ',tty->fg,tty->bg);
- tty->x++;
-
- while(tty->x<tty->width-1&&tty->x%8!=0)
- {
- set_char(tty,tty->x,tty->y,' ',tty->fg,tty->bg);
- tty->x++;
- }
- tty->x--;
- c=' ';
- }
-
- if(c==0x0E){return;} // G1 set (ignore)
- if(c==0x0F){return;} // G0 set (ignore)
-
- if(c==0x18||c==0x1A){tty->escaping=0;return;} // cancel escaping
- if(c==0x1B){tty->escaping=1;return;} // ESC
- if(c==0x9B){tty->escaping=2;tty->npar=0;return;} // CSI = ESC [
-
- if(c==0x08) //BACKSPACE
- {
- if(tty->x>0&&tty->command_l>0||!tty->set_echo)
- {
- set_char(tty,tty->x-1,tty->y,' ',tty->fg,tty->bg);
- tty->x--;
- }
- }
-
- else if(c==0x0D) // CR
- {
- tty->x=0;
- return;
- }
-
- else if(c==0x0A||c==0x0B||c==0x0C) // \n NEXTLINE
- {
- for(uint32_t x=tty->x;x<tty->width;x++)
- {
- set_char(tty,x,tty->y,' ',tty->fg,tty->bg);
- }
- tty->y++;
- if(tty->set_lfnl)tty->x=0;
- }
- else //
- {
- // ESC- but not CSI-sequences
- if(tty->escaping==1)
- {
- // FOOL-TERM: delchar
- if(c=='x')
- {
- set_char(tty, tty->x, tty->y, ' ', tty->fg, tty->bg);
- }
- // FOOL-TERM: clear to end of line
- if(c=='K')
- {
- for(uint32_t x=tty->x;x<tty->width;x++)
- {
- set_char(tty, x, tty->y, ' ', tty->fg, tty->bg);
- }
- }
- // FOOL-TERM: clear to end of screen
- if(c=='J')
- {
- for(uint32_t x=tty->x;x<tty->width;x++)
- {
- set_char(tty, x, tty->y, ' ', tty->fg, tty->bg);
- }
- for(uint32_t y=tty->y+1;y<tty->height;y++)
- {
- for(uint32_t x=0;x<tty->width;x++)
- {
- set_char(tty,x, y, ' ', tty->fg, tty->bg);
- }
- }
- }
-
- // FOOL-TERM: home
- if(c=='H')
- {
- tty->x=0;
- tty->y=0;
- }
- // FOOL-TERM: movement
- if(c=='u')
- {
- if(tty->y>0)
- tty->y--;
- }
-
- if(c=='d')
- {
- if(tty->y+1<tty->height)
- tty->y++;
- }
-
- if(c=='f')
- {
- if(tty->x+1<tty->width)
- tty->x++;
- }
-
- if(c=='b')
- {
- if(tty->x>0)
- tty->x--;
- }
-
- ///
-
- if(c=='c'){reset(tty);} // RESET
-
- if(c=='D'){tty->y++;} // LINEFEED
- if(c=='E'){tty->y++;tty->x=0;} //NEWLINE
-
- //if(c=='H'){} // SET TABSTOP: TODO
- if(c=='M'){ // REVERSE LINEFEED
-
- if(tty->y==0)
- {
- for(int32_t y=tty->height-1;y>=0;y--)
- {
- for(uint32_t x=0;x<tty->width;x++)
- {
- uint32_t c=' '|tty->fg<<8|tty->bg<<16;
- if(y!=0) c=tty->data[index(tty,x,y-1)];
- tty->data[index(tty,x,y)] = c;
-
- tty->screen->put_char(c&0xff,(c>>8)&0xff,c>>16,x,y);
- }
- }
- }
- else
- tty->y--;
-
- }
-
- if(c=='Z'){// IDENTIFY: claim we are vt102
-
- if(tty->input!=NULL)
- {
- tty->input->put_char(0x1B); //ESC
- tty->input->put_char('[');
- tty->input->put_char('?');
- tty->input->put_char('6');
- tty->input->put_char('c');
- }
-
- return;}
-
- if(c=='7'){}// SAVE STATE (coord,attributes,G0/G1?)
- if(c=='8'){}// RESTORE STATE
- if(c=='['){tty->escaping=2;tty->npar=0;return;} // CONTROL SEQ INTRODUCER
-
-
- // TODO
- // %, %@, %G, %8, #8, (, (B, (O, (U, (K
- // ), >, =, ] (???)
- //
- //
-
- tty->escaping=0; // DONE
- }
- // CSI SEQEUENCES (AFTER ESC [..)
- else if(tty->escaping==2)
- {
- //ECMA-48: TODO
-
-
-
-
- //ECMA-48 GRAPHIC RENDITION: OK
- if(c!='m')
- {
- tty->command[NPAR_START+(tty->npar++)]=c;
- }
- else
- {
- process_graphic_npars(tty);
- }
-
- //ECMA-48 MODE SWITCHES: TODO
- //ECMA-48 STATUS REPORT: TODO
- //DEC PRIVATE MODE: TODO
- //LINUX CONSOLE PRIVATE CSI: TODO
- //
- // ESC [ 1 ; n ] Set color n as the underline color
- // ESC [ 2 ; n ] Set color n as the dim color
- // ESC [ 8 ] Make the current color pair the default attributes.
- // ESC [ 9 ; n ] Set screen blank timeout to n minutes.
- // ESC [ 10 ; n ] Set bell frequency in Hz.
- // ESC [ 11 ; n ] Set bell duration in msec.
- // ESC [ 12 ; n ] Bring specified console to the front.
- // ESC [ 13 ] Unblank the screen.
- // ESC [ 14 ; n ] Set the VESA powerdown interval in minutes.
-
- }
- else //PROBABLY (AND HOPEFULLY) JUST A NORMAL CHAR
- {
- set_char(tty,tty->x,tty->y,c,tty->fg,tty->bg);
- tty->x++;
- }
-
- }
-
- //autobreak
- if(tty->x>=tty->width)
- {
- tty->x=0;
- tty->y++;
- }
-
- //autoscroll
- if(tty->y>=tty->height)
- {
- tty->y--;
- for(uint32_t y=0;y<tty->height;y++)
- {
- for(uint32_t x=0;x<tty->width;x++)
- {
- uint32_t c=tty->data[index(tty,x,y+1)];
- if(y==tty->height-1)c=' '|tty->fg<<8|tty->bg<<16;
- tty->data[index(tty,x,y)] = c;
- tty->screen->put_char(c&0xff,(c>>8)&0xff,c>>16,x,y);
- }
- }
- }
-
- //cusor pos
- tty->screen->update_cursor(tty->x,tty->y);
- return true;
-}
-
diff --git a/terminal/terminal.h b/terminal/terminal.h
deleted file mode 100644
index be711f5..0000000
--- a/terminal/terminal.h
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef TERMINAL_H
-#define TERMINAL_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-//
-// Terminal emulator implementing (a subset) of console codes of the
-// linux console (see man 4 console_codes)
-//
-// 1. pass a term_out and term_in struct to terminal_init(..).
-// 2. use the terminal_kb function for terminal/user input (eg. keyboard).
-// 3. use the terminal_put function for input from the host/programms.
-//
-//
-//
-// _____________
-// terminal_put()----> | | ----> (term_out_struct)
-// | TERMINAL |
-// (term_in_struct)<---|___________| <---- terminal_kb()
-//
-//
-// OTHER REQUIREMENTS
-//
-// Your also need to provide some memory allocation
-//
-// * uint32_t kballoc(uint32_t bloks); // block wise in-kernel allocation
-//
-
-typedef struct term_out_struct
-{
-
- void (*put_char)(uint8_t c,uint8_t color_fg, uint8_t color_bg, uint32_t x, uint32_t y);
- void (*update_cursor)(uint32_t col,uint32_t row);
-
-}term_out;
-
-typedef struct term_in_struct
-{
-
- void (*put_char)(uint8_t c);
-
-}term_in;
-
-typedef struct terminal_tty_struct
-{
- uint8_t fg;
- uint8_t bg;
-
- bool set_buff;
- bool set_lfnl;
- bool set_echo;
-
- uint32_t width;
- uint32_t height;
- uint32_t x;
- uint32_t y;
- uint32_t *data; // screen data
- uint8_t *command; // command line / also holds npar for escape sequences somewhere
- int32_t command_l; // command line length
-
- uint8_t escaping; // escaping mode?
- uint8_t npar; // npar pos
-
- term_out *screen;
- term_in *input;
-
- bool reverse_video;
-
-}terminal_tty;
-
-terminal_tty terminal_init(term_out *screen,term_in *input);
-
-bool terminal_put(terminal_tty *tty, uint8_t c);
-void terminal_kb(terminal_tty *tty, uint8_t c);
-
-#endif
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