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| author | Alejandro Soto <alejandro@34project.org> | 2022-11-16 23:32:00 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-11-16 23:32:25 -0600 |
| commit | f66b372bdffea29ecac3172dd49e48783db45dc1 (patch) | |
| tree | 363ab0efbb24c3a23e1d73e90a4badadee789230 /rtl/core/alu/alu.sv | |
| parent | f1353e81d59986dfc11e3f1a43e351f6c8117f9b (diff) | |
Fix carry flag bug
Diffstat (limited to 'rtl/core/alu/alu.sv')
| -rw-r--r-- | rtl/core/alu/alu.sv | 4 |
1 files changed, 2 insertions, 2 deletions
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), .* ); |