The CPU addresses external memory on its addr pins and executes/interprets data on the data_in pins
Set data_in to 0x8 (NOP) and observe the addr bus count upward as the CPU executes Instructions
An SRAM/ROM like memory containing instructions should be connected to addr/wcyc/data_in
# | Input | Output |
---|---|---|
0 | clock | addr[0] |
1 | reset_p | addr[1] |
2 | data_in[0] | addr[2] |
3 | data_in[1] | addr[3] |
4 | data_in[2] | addr[4] |
5 | data_in[3] | addr[5] |
6 | addr[6] | |
7 | fast - zero wait state memory mode | write memory cycle |