mirror of
https://github.com/sxpert/hp-saturn
synced 2025-01-31 19:57:50 +01:00
19 lines
370 B
Verilog
19 lines
370 B
Verilog
/******************************************************************************
|
|
* 00 RTNSXM
|
|
*
|
|
*
|
|
*/
|
|
|
|
`include "decstates.v"
|
|
|
|
begin
|
|
HST[0] <= 1;
|
|
new_PC <= RSTK[rstk_ptr];
|
|
RSTK[rstk_ptr] <= 0;
|
|
rstk_ptr <= rstk_ptr - 1;
|
|
next_cycle <= `BUSCMD_LOAD_PC;
|
|
decstate <= `DEC_START;
|
|
`ifdef SIM
|
|
$display("%05h RTNSXM", inst_start_PC);
|
|
`endif
|
|
end
|