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Diffstat (limited to 'src/rtl/montprod.v')
| -rw-r--r-- | src/rtl/montprod.v | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/rtl/montprod.v b/src/rtl/montprod.v index 4f4a9aa..00227d0 100644 --- a/src/rtl/montprod.v +++ b/src/rtl/montprod.v @@ -354,7 +354,7 @@ module montprod( CTRL_L_CALC_SA: begin //s = (s + q*M + b*A) >>> 1;, if(b==1) S+= A. Takes (1..length) cycles. - s_mem_we_new = b_reg | q_reg; + s_mem_we_new = b_reg | q_reg | first_iteration_reg; end CTRL_L_CALC_SDIV2: @@ -392,8 +392,10 @@ module montprod( if (b_reg) s_mem_new = add_result_sa; - else + else if (q_reg) s_mem_new = add_result_sm; + else + s_mem_new = muxed_s_mem_read_data; add_carry_in_sa_new = add_carry_out_sa; add_carry_in_sm_new = add_carry_out_sm; |