diff options
Diffstat (limited to 'userspace/xterm/vesa.c')
| -rw-r--r-- | userspace/xterm/vesa.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/userspace/xterm/vesa.c b/userspace/xterm/vesa.c index 7f22a5f..745e7fb 100644 --- a/userspace/xterm/vesa.c +++ b/userspace/xterm/vesa.c @@ -29,6 +29,10 @@ static int console_y; static int console_lines; static int console_cols; +static uint8_t termdata[80*24]; +static uint8_t termdata_bg[80*24]; +static uint8_t termdata_fg[80*24]; + // same colors as in screen.h static uint32_t cols[] = { 0x0, // black @@ -52,14 +56,26 @@ static uint32_t cols[] = { /** update cursor position */ void vesa_update_cursor(uint32_t col,uint32_t row) { + int oldx=console_x; + int oldy=console_y; + console_x=col; console_y=row; + + + vesa_console_put_char(termdata[oldy*80+oldx],termdata_bg[oldy*80+oldx],termdata_fg[oldy*80+oldx],oldx,oldy); + vesa_console_put_char(termdata[row*80+col],termdata_bg[row*80+col],termdata_fg[row*80+col],col,row); } /** put char */ void vesa_console_put_char(uint8_t c,uint8_t color_bg, uint8_t color_fg, uint32_t x, uint32_t y) { - PutFont(c, x,y, cols[color_bg],cols[color_fg]); + termdata[y*80+x]=c; + termdata_bg[y*80+x]=color_bg; + termdata_fg[y*80+x]=color_fg; + + if(x==console_x&&y==console_y)PutFont(c, x,y, cols[color_fg],cols[color_bg]); + else PutFont(c, x,y, cols[color_bg],cols[color_fg]); } // @@ -88,7 +104,7 @@ uint32_t vesa_init(char *fontname) FILE *f; //if(fontname==NULL)f=fopen("/doc/fonts/binfont.bin","r"); //if(fontname==NULL)f=fopen("/doc/fonts/tinyfont.bin","r"); - if(fontname==NULL)f=fopen("/doc/fonts/binfont_v2.bin","r"); + if(fontname==NULL)f=fopen("/doc/fonts/envypn7x13.bin","r"); fread(&font_width,1,1,f); fread(&font_height,1,1,f); |