X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/5509558d05f30339f3393f02f67e8854cbe25a00..5c33c5c001049403ac33d71bfbe0115c318c1b4c:/insn_jr-jrcc.v

diff --git a/insn_jr-jrcc.v b/insn_jr-jrcc.v
index 7a869b3..767db6a 100644
--- a/insn_jr-jrcc.v
+++ b/insn_jr-jrcc.v
@@ -2,25 +2,22 @@
 	`INSN_JR_imm,`INSN_JRCC_imm: begin
 		case (cycle)
 		0:	begin
-				`EXEC_INC_PC;
-				`EXEC_NEXTADDR_PCINC;
-				rd <= 1;
+				`EXEC_INC_PC
+				`EXEC_READ(`_PC + 1)
 			end
-		1: begin
-				`EXEC_INC_PC;
+		1: 	begin
+				`EXEC_INC_PC
 				if (opcode[5]) begin	// i.e., JP cc,nn
 					/* We need to check the condition code to bail out. */
 					case (opcode[4:3])
-					`INSN_cc_NZ:	if (registers[`REG_F][7]) begin `EXEC_NEWCYCLE; end
-					`INSN_cc_Z:		if (~registers[`REG_F][7]) begin `EXEC_NEWCYCLE; end
-					`INSN_cc_NC:	if (registers[`REG_F][4]) begin `EXEC_NEWCYCLE; end
-					`INSN_cc_C:		if (~registers[`REG_F][4]) begin `EXEC_NEWCYCLE; end
+					`INSN_cc_NZ:	if (`_F[7]) `EXEC_NEWCYCLE
+					`INSN_cc_Z:	if (~`_F[7]) `EXEC_NEWCYCLE
+					`INSN_cc_NC:	if (`_F[4]) `EXEC_NEWCYCLE
+					`INSN_cc_C:	if (~`_F[4]) `EXEC_NEWCYCLE
 					endcase
 				end
 			end
-		2:	begin
-				`EXEC_NEWCYCLE;
-			end
+		2:	`EXEC_NEWCYCLE
 		endcase
 	end
 `endif
@@ -30,9 +27,7 @@
 		case (cycle)
 		0:	begin /* type F */ end
 		1:	tmp <= rdata;
-		2:	{registers[`REG_PCH],registers[`REG_PCL]} <=
-				{registers[`REG_PCH],registers[`REG_PCL]} +
-				{tmp[7]?8'hFF:8'h00,tmp};
+		2:	`_PC <= `_PC + {tmp[7]?8'hFF:8'h00,tmp};
 		endcase
 	end
 `endif