1 files changed, 7 insertions, 5 deletions

diff --git a/hdl/defs.svh b/hdl/defs.svh
index f8b1032..73fddaf 100644
--- a/hdl/defs.svh
+++ b/hdl/defs.svh
@@ -5,7 +5,7 @@
 
 `define PDP_ADDRESS_BITS    15
 
-`define NUM_PDPS            1
+`define NUM_PDPS            4
 
 `define UART_BYTE_BITS      8
 
@@ -37,22 +37,24 @@ typedef struct packed {
     ram_line_t          data;
     ram_line_mask_t     mask;
     tag_t               tag;
-} ram_command_t;
+} arb_to_ram_t;
 
 typedef struct packed {
     ram_line_address_t  address;
     ram_line_t          data;
     tag_t               tag;
-} ram_read_response_t;
+} ram_to_arb_t;
 
 typedef struct packed {
     pdp_line_address_t  address;
     bit                 write;
+    bit                 snoop_response;
     ram_line_t          data;
     ram_line_mask_t     mask;
-} pdp_command_t;
+} core_to_mem_t;
 
 typedef struct packed {
     pdp_line_address_t  address;
+    bit                 snoop;
     ram_line_t          data;
-} pdp_read_response_t;
+} mem_to_core_t;