Posted on February 07, 2006 at 18:36I am trying to restart the comsumer II from software. Currently I'm calling the restart vector at FFFF:0000. It reboots and restarts, but then I get a ''NO Disk in Drive A:'' message. I don't have a diak A, and I ...

Posted on January 12, 2006 at 23:50I would like to use DOS to switch between VGA adapters - the internal one and an external ISA adapter. The programming manual implies that this can be done in the VGA section saying: ''If an external add-in VGA car...