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/*
* assign variable from an expression of literals, constants and
* variables
*/
module variable_assign_from_expression;
const
N : integer = 20;
var
a : integer;
b : integer;
c : integer;
d, e : integer;
begin
a := 1;
b := 7;
c := N; // c should be 20
a := b; // a should be 7
a := a + 1; // a should be 8 now
d := a * c + b; // d should be 8 * 20 + 7 = 167 (A7 hex)
d := a * ( c + b ); // d should be 8 * ( 20 + 7 ) = 216 (D8 hex)
e := ( ( 7 * a + b ) + 2 * ( b + a + 3 ) ) * 2; // ((7*8+7)+2*(7+8+3))*2=198 (C6 hex)
end
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