From f66b372bdffea29ecac3172dd49e48783db45dc1 Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Wed, 16 Nov 2022 23:32:00 -0600 Subject: Fix carry flag bug --- rtl/core/alu/alu.sv | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'rtl/core/alu') diff --git a/rtl/core/alu/alu.sv b/rtl/core/alu/alu.sv index 1e19338..2f71d6a 100644 --- a/rtl/core/alu/alu.sv +++ b/rtl/core/alu/alu.sv @@ -33,7 +33,7 @@ module core_alu .q(q_sub), .c(c_sub), .v(v_sub), - .c_in(c_in && op `FIELD_ALUOP_SUB_SBC), + .c_in(!c_in && op `FIELD_ALUOP_SUB_SBC), .* ); @@ -44,7 +44,7 @@ module core_alu .q(q_rsb), .c(c_rsb), .v(v_rsb), - .c_in(c_in && op `FIELD_ALUOP_RSB_RSC), + .c_in(!c_in && op `FIELD_ALUOP_RSB_RSC), .* ); -- cgit v1.2.3