Hardware

MEMORY MAP

XTAL = 4 MHZ

USE ATTACHED CLOCK CIRCUIT

ROM START: 0000H
TOTAL LENGHT 8KB

RAM START: 8000H
RAM END : FFFFH

STACK: F800H

SYSTEM VARIABLES:
F900H-F910H
FF00-FFFFH

UART:8251
PORT ADRESS: UART8251: 00H :USING Z80
PIO 8255: 08H

BAUDRATE: 19200 KBS 8-n-1

ROM must be minimum 8kb between adresses 0000h-1FFFh

RAM is 32kb and placed in 8000h-FFFFh