Fix flags hazard in ADC, SBC, RSC

1 files changed, 9 insertions, 0 deletions

diff --git a/rtl/core/decode/data.sv b/rtl/core/decode/data.sv
index 1bd7ef9..f744972 100644
--- a/rtl/core/decode/data.sv
+++ b/rtl/core/decode/data.sv
@@ -9,6 +9,7 @@ module core_decode_data
 	output logic       snd_is_imm,
 	                   snd_shift_by_reg_if_reg,
 	                   writeback,
+	                   conditional,
 	                   update_flags,
 	                   restore_spsr
 );
@@ -31,6 +32,14 @@ module core_decode_data
 
 	always_comb begin
 		unique case(op)
+			`ALU_ADC, `ALU_SBC, `ALU_RSC:
+				conditional = 1;
+
+			default:
+				conditional = 0;
+		endcase
+
+		unique case(op)
 			`ALU_CMP, `ALU_CMN, `ALU_TST, `ALU_TEQ:
 				writeback = 0;