REM Demonstration of simple direct access of VRAM CLS 'Clear screen DEF SEG = &HB800 'Set initial address of VRAM POKE 0, 72 'Output of H character onto the screen POKE 1, 127 'make the H highlighted POKE 2, 69 'Output of E character onto the screen POKE 4, 76 'Output of L character onto the screen POKE 6, 76 'Output of L character onto the screen POKE 8, 79 'Output of O character onto the screen POKE 10, 33 'Output of the exclamation mark onto the screen ' Explanation: all the even bytes we POKE are the characters (ASCII codes) ' and the odd bytes are the attributes (blink, color etc.)