Name     6502_adress_decode ;
PartNo   00 ;
Date     3/18/2019 ;
Revision 03 ;
Designer Alois ;
Company  Appartus ;
Assembly None ;
Location  ;
Device   G16V8 ;

/* *************** INPUT PINS *********************/
PIN  1  = CLK                     ; /*                                 */
PIN  2  = RW                     ; /*                                 */
PIN  3  = A15                     ; /*                                 */
PIN  4  = A14                     ; /*                                 */
PIN  5  = A13                     ; /*                                 */
PIN  6  = A12                     ; /*                                 */
PIN  7  = A11                     ; /*                                 */
PIN  8  = A10                      ; /*                                 */
PIN  9  = A9                     ; /*                                 */
PIN  11 = A8                     ; /*                                 */

FIELD ADDRESS = [A15..A8];

/* *************** OUTPUT PINS *********************/
PIN 19  = READ                  ; /*                                 */
PIN 18  = WRITE                     ; /*                                 */
PIN 17  = ROM_CS                    ; /*                                 */
PIN 16  = RAM_CS                    ; /*                                 */
PIN 15  = IO_CS                 ; /*                                 */
PIN 14  = UART_CS                   ; /*                                 */

!READ       = RW;
!WRITE  = !RW;


!RAM_CS = ADDRESS:[0000..77FF];
!IO_CS = ADDRESS:[7800..78FF];
!UART_CS = ADDRESS:[7900..79FF];
!ROM_CS = ADDRESS:[8000..FFFF];