memory: fix up slightly
[firearm.git] / Decode.v
index 6cfe08b..a34eb3b 100644 (file)
--- a/Decode.v
+++ b/Decode.v
@@ -5,10 +5,12 @@ module Decode(
        input [31:0] insn,
        input [31:0] inpc,
        input [31:0] incpsr,
+       input [31:0] inspsr,
        output reg [31:0] op0,
        output reg [31:0] op1,
        output reg [31:0] op2,
        output reg carry,
+       output reg [31:0] outspsr,
 
        output reg [3:0] read_0,
        output reg [3:0] read_1,
@@ -63,9 +65,9 @@ module Decode(
                `DECODE_CDP,                    /* Coprocessor data op */
                `DECODE_MRCMCR,                 /* Coprocessor register transfer */
                `DECODE_SWI:                    /* SWI */
-                       rpc = inpc - 8;
+                       rpc = inpc + 8;
                `DECODE_ALU:                    /* ALU */
-                       rpc = inpc - (insn[25] ? 8 : (insn[4] ? 12 : 8));
+                       rpc = inpc + (insn[25] ? 8 : (insn[4] ? 12 : 8));
                default:                        /* X everything else out */
                        rpc = 32'hxxxxxxxx;
                endcase
@@ -220,6 +222,7 @@ module Decode(
                op1 <= op1_out; /* 'operand 2' - Rm */
                op2 <= op2_out;   /* thirdedge - Rs */
                carry <= carry_out;
+               outspsr <= inspsr;
        end
 
 endmodule
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