/**************************************************** * USEFUL LINKS * http://sos.enix.org [FR * http://webster.cs.ucr.edu/AoA/DOS/ch23/CH23-1.html [UK/US * http://geezer [UK/US] **************************************************** #include (COLUMNS - 1) cursor_x = 0 cursor_y++ if( cursor_y > (LINES - 1) __scroll_up(cursor_y -(LINES - 1)) ** /***************** ** scroll_up() * ****************** static PyObject *scroll_up(PyObject *self, PyObject *args int lines_to_scroll_up if (!PyArg_ParseTuple(args, "i", &lines_to_scroll_up) return NULL __scroll_up(lines_to_scroll_up) Py_INCREF( Py_None ) return Py_None /******************* ** scroll_down() * ******************** static PyObject *scroll_down(PyObject *self, PyObject *args int lines_to_scroll_down if (!PyArg_ParseTuple(args, "i", &lines_to_scroll_down) return NULL __scroll_down(lines_to_scroll_down) Py_INCREF( Py_None ) return Py_None /************* ** display() * ************** static PyObject *display(PyObject *self, PyObject *args char *ptr_string_to_print; /* a * char *fg_color; /* r * char *bg_color; /* g * unsigned int blinking; /* s * unsigned int x; /* * unsigned int y; /* * char attributes_mask = 0 if (!PyArg_ParseTuple(args, "sssiii", &ptr_string_to_print, &fg_color, &bg_color, &blinking, &x, &y) return NULL /* FOREGROUND COLORS * if ( strstr(fg_color,"black") attributes_mask = attributes_mask | FG_BLACK if ( strstr(fg_color,"dark_grey" ) attributes_mask = attributes_mask | FG_DARK_GRAY if ( strstr(fg_color,"blue" ) attributes_mask = attributes_mask | FG_BLUE if ( strstr(fg_color,"bright_blue" ) attributes_mask = attributes_mask | FG_BRIGHT_BLUE if ( strstr(fg_color,"green" ) attributes_mask = attributes_mask | FG_GREEN if ( strstr(fg_color,"bright_green" ) attributes_mask = attributes_mask | FG_BRIGHT_GREEN if ( strstr(fg_color,"cyan" ) attributes_mask = attributes_mask | FG_CYAN if ( strstr(fg_color,"bright_cyan" ) attributes_mask = attributes_mask | FG_BRIGHT_CYAN if ( strstr(fg_color,"red" ) attributes_mask = attributes_mask | FG_RED if ( strstr(fg_color,"pink" ) attributes_mask = attributes_mask | FG_PINK if ( strstr(fg_color,"magenta" ) attributes_mask = attributes_mask | FG_MAGENTA if ( strstr(fg_color,"bright_magenta" ) attributes_mask = attributes_mask | FG_BRIGHT_MAGENTA if ( strstr(fg_color,"brown" ) attributes_mask = attributes_mask | FG_BROWN if ( strstr(fg_color,"yellow" ) attributes_mask = attributes_mask | FG_YELLOW if ( strstr(fg_color,"white" ) attributes_mask = attributes_mask | FG_WHITE if ( strstr(fg_color,"bright_white" ) attributes_mask = attributes_mask | FG_BRIGHT_WHITE /* BACKGROUND COLORS * if ( strstr(bg_color,"black" ) attributes_mask = attributes_mask | BG_BLACK if ( strstr(bg_color,"blue" ) attributes_mask = attributes_mask | BG_BLUE if ( strstr(bg_color,"green" ) attributes_mask = attributes_mask | BG_GREEN if ( strstr(bg_color,"cyan" ) attributes_mask = attributes_mask | BG_CYAN if ( strstr(bg_color,"red" ) attributes_mask = attributes_mask | BG_RED if ( strstr(bg_color,"magenta" ) attributes_mask = attributes_mask | BG_MAGENTA if ( strstr(bg_color,"brown" ) attributes_mask = attributes_mask | BG_BROWN if ( strstr(bg_color,"grey" ) attributes_mask = attributes_mask | BG_LTGRAY /* BLINKING * if ( blinking == 1 attributes_mask = attributes_mask | FG_BLINKING /* While we aren't at the end of the string, we print it. * while(*ptr_string_to_print != 0) __display_character(*ptr_string_to_print, attributes_mask, x++, y) ptr_string_to_print++ Py_INCREF( Py_None ) return Py_None /**************** ** clear() ** ***************** static PyObject *clear(PyObject *self, PyObject *args unsigned char *video for (video = (unsigned char*)SCREEN_START; video <= (unsigned char*)SCREEN_PAGE_LIMIT; video = video + 2 *video = 0 *(video + 1) = 0x00; /* Set with a black background/foreground * Py_INCREF( Py_None ) return Py_None /*************************** ** move_cursor_left() ** **************************** static PyObject *move_cursor_left(PyObject *self, PyObject *args cursor_x-- Py_INCREF( Py_None ) return Py_None /*************************** ** move_cursor_right() ** **************************** static PyObject *move_cursor_right(PyObject *self, PyObject *args cursor_x++ Py_INCREF( Py_None ) return Py_None /*************************** ** move_cursor_up() ** **************************** static PyObject *move_cursor_up(PyObject *self, PyObject *args cursor_y++ Py_INCREF( Py_None ) return Py_None /*************************** ** move_cursor_down() ** **************************** static PyObject *move_cursor_down(PyObject *self, PyObject *args cursor_y-- Py_INCREF( Py_None ) return Py_None /******************** ** About the module * ********************* static PyMethodDef ScreenMethods[] = {"scroll_up", scroll_up, METH_VARARGS, "Scroll up the screen"} {"scroll_down", scroll_up, METH_VARARGS, "Scroll up the screen"} {"clear", clear, METH_VARARGS, "Clear the screen"} {"display", display, METH_VARARGS, "Display a string on the screen"} {"move_cursor_left", move_cursor_left, METH_VARARGS, "Move the cursor left"} {"move_cursor_right", move_cursor_right, METH_VARARGS, "Move the cursor right"} {"move_cursor_up", move_cursor_up, METH_VARARGS, "Move the cursor up"} {"move_cursor_down", move_cursor_down, METH_VARARGS, "Move teh cursor down"} {NULL, NULL, 0, NULL } void init_screenmodule() Py_InitModule( "screen", ScreenMethods )