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overflow fix

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k0rrluna
2024-12-26 01:24:14 +03:00
parent 2f91f173de
commit 59169c0fff
4 changed files with 356 additions and 484 deletions
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440
project0.2/subtraction.vcd
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@@ -1,5 +1,5 @@
$date
Sat Dec 21 02:52:14 2024
Wed Dec 25 00:48:05 2024
$end
$version
Icarus Verilog
@@ -8,161 +8,130 @@ $timescale
1s
$end
$scope module subtractionTB $end
$var wire 1 ! overflow $end
$var wire 4 " Y [3:0] $end
$var wire 1 # BorrowOut $end
$var reg 4 $ A [3:0] $end
$var reg 4 % B [3:0] $end
$var reg 1 & BorrowIN $end
$var wire 4 ! Y [3:0] $end
$var wire 1 " BorrowOUT $end
$var reg 4 # A [3:0] $end
$var reg 4 $ B [3:0] $end
$var reg 1 % BorrowIN $end
$scope module uut $end
$var wire 4 ' A [3:0] $end
$var wire 4 ( B [3:0] $end
$var wire 1 & BorrowIN $end
$var wire 4 ) tempB [3:0] $end
$var wire 1 ! overflow $end
$var wire 4 * Y [3:0] $end
$var wire 1 # BorrowOut $end
$var wire 4 & A [3:0] $end
$var wire 4 ' B [3:0] $end
$var wire 1 % BorrowIN $end
$var wire 4 ( tempB [3:0] $end
$var wire 4 ) Y [3:0] $end
$var wire 1 " BorrowOUT $end
$scope module f0 $end
$var wire 1 + A $end
$var wire 1 , B $end
$var wire 1 & BorrowIN $end
$var wire 1 - BorrowOut $end
$var wire 1 . tempD $end
$var wire 1 / tempB2 $end
$var wire 1 0 tempB1 $end
$var wire 1 1 Difference $end
$var wire 1 * A $end
$var wire 1 + B $end
$var wire 1 % BorrowIN $end
$var wire 1 , BorrowOut $end
$var wire 1 - tempD $end
$var wire 1 . tempB2 $end
$var wire 1 / tempB1 $end
$var wire 1 0 Difference $end
$scope module hf1 $end
$var wire 1 + A $end
$var wire 1 , B $end
$var wire 1 0 Borrow $end
$var wire 1 . Difference $end
$var wire 1 2 notA $end
$var wire 1 * A $end
$var wire 1 + B $end
$var wire 1 / Borrow $end
$var wire 1 - Difference $end
$var wire 1 1 notA $end
$upscope $end
$scope module hf2 $end
$var wire 1 . A $end
$var wire 1 & B $end
$var wire 1 / Borrow $end
$var wire 1 1 Difference $end
$var wire 1 3 notA $end
$var wire 1 - A $end
$var wire 1 % B $end
$var wire 1 . Borrow $end
$var wire 1 0 Difference $end
$var wire 1 2 notA $end
$upscope $end
$upscope $end
$scope module f1 $end
$var wire 1 4 A $end
$var wire 1 5 B $end
$var wire 1 6 BorrowIN $end
$var wire 1 7 BorrowOut $end
$var wire 1 8 tempD $end
$var wire 1 9 tempB2 $end
$var wire 1 : tempB1 $end
$var wire 1 ; Difference $end
$var wire 1 3 A $end
$var wire 1 4 B $end
$var wire 1 5 BorrowIN $end
$var wire 1 6 BorrowOut $end
$var wire 1 7 tempD $end
$var wire 1 8 tempB2 $end
$var wire 1 9 tempB1 $end
$var wire 1 : Difference $end
$scope module hf1 $end
$var wire 1 4 A $end
$var wire 1 5 B $end
$var wire 1 : Borrow $end
$var wire 1 8 Difference $end
$var wire 1 < notA $end
$var wire 1 3 A $end
$var wire 1 4 B $end
$var wire 1 9 Borrow $end
$var wire 1 7 Difference $end
$var wire 1 ; notA $end
$upscope $end
$scope module hf2 $end
$var wire 1 8 A $end
$var wire 1 6 B $end
$var wire 1 9 Borrow $end
$var wire 1 ; Difference $end
$var wire 1 = notA $end
$var wire 1 7 A $end
$var wire 1 5 B $end
$var wire 1 8 Borrow $end
$var wire 1 : Difference $end
$var wire 1 < notA $end
$upscope $end
$upscope $end
$scope module f2 $end
$var wire 1 > A $end
$var wire 1 ? B $end
$var wire 1 @ BorrowIN $end
$var wire 1 A BorrowOut $end
$var wire 1 B tempD $end
$var wire 1 C tempB2 $end
$var wire 1 D tempB1 $end
$var wire 1 E Difference $end
$var wire 1 = A $end
$var wire 1 > B $end
$var wire 1 ? BorrowIN $end
$var wire 1 @ BorrowOut $end
$var wire 1 A tempD $end
$var wire 1 B tempB2 $end
$var wire 1 C tempB1 $end
$var wire 1 D Difference $end
$scope module hf1 $end
$var wire 1 > A $end
$var wire 1 ? B $end
$var wire 1 D Borrow $end
$var wire 1 B Difference $end
$var wire 1 F notA $end
$var wire 1 = A $end
$var wire 1 > B $end
$var wire 1 C Borrow $end
$var wire 1 A Difference $end
$var wire 1 E notA $end
$upscope $end
$scope module hf2 $end
$var wire 1 B A $end
$var wire 1 @ B $end
$var wire 1 C Borrow $end
$var wire 1 E Difference $end
$var wire 1 G notA $end
$var wire 1 A A $end
$var wire 1 ? B $end
$var wire 1 B Borrow $end
$var wire 1 D Difference $end
$var wire 1 F notA $end
$upscope $end
$upscope $end
$scope module f3 $end
$var wire 1 H A $end
$var wire 1 I B $end
$var wire 1 J BorrowIN $end
$var wire 1 # BorrowOut $end
$var wire 1 K tempD $end
$var wire 1 L tempB2 $end
$var wire 1 M tempB1 $end
$var wire 1 N Difference $end
$var wire 1 G A $end
$var wire 1 H B $end
$var wire 1 I BorrowIN $end
$var wire 1 " BorrowOut $end
$var wire 1 J tempD $end
$var wire 1 K tempB2 $end
$var wire 1 L tempB1 $end
$var wire 1 M Difference $end
$scope module hf1 $end
$var wire 1 H A $end
$var wire 1 I B $end
$var wire 1 M Borrow $end
$var wire 1 K Difference $end
$var wire 1 O notA $end
$var wire 1 G A $end
$var wire 1 H B $end
$var wire 1 L Borrow $end
$var wire 1 J Difference $end
$var wire 1 N notA $end
$upscope $end
$scope module hf2 $end
$var wire 1 K A $end
$var wire 1 J B $end
$var wire 1 L Borrow $end
$var wire 1 N Difference $end
$var wire 1 P notA $end
$var wire 1 J A $end
$var wire 1 I B $end
$var wire 1 K Borrow $end
$var wire 1 M Difference $end
$var wire 1 O notA $end
$upscope $end
$upscope $end
$scope module od1 $end
$var wire 4 Q A [3:0] $end
$var wire 4 R B [3:0] $end
$var wire 1 # CarryOUT $end
$var wire 4 S Y [3:0] $end
$var wire 1 T addOverflow $end
$var wire 1 U detect1 $end
$var wire 1 V detect2 $end
$var wire 1 W opC $end
$var wire 2 X opCode [1:0] $end
$var wire 1 ! overflowDetect $end
$var wire 1 Y sign1 $end
$var wire 1 Z sign2 $end
$var wire 1 [ sign3 $end
$var wire 1 \ subOverflow $end
$upscope $end
$upscope $end
$upscope $end
$enddefinitions $end
#0
$dumpvars
0\
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b10 X
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@@ -170,9 +139,9 @@ b0 Q
0@
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@@ -180,161 +149,126 @@ b0 Q
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b0 (
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$end
#10
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b1000 *
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#30
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#60