Edwin wrote: > I guess you will be using the microcontroller to translate SAMs > (latched) Z80 Address/data bus to readable output on the > display. Right ?
Nope. I just decode one I/O port and then configure the microcontroller to use a Parallel Slave Port so it can accept bytes written to it - with the usual /Chip-Select, /Read and /Write style signals. The software I knocked up for the microcontroller looks at the byte when one arrives and decides what to do with it. If it's a non-ASCII value it will perform set sequences of command and data instructions to the LCD display for functions such as clear display, clear line etc, or if the byte is an ASCII value it's sent to the LCD as a data instruction. Colin ===== Quazar : Hardware, Software, Spares and Repairs for the Sam Coupe 1995-2007 - Celebrating 12 Years of developing for the Sam Coupe Website: http://www.samcoupe.com/
