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@@ -0,0 +1,230 @@
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+{ %cpu=i8086 }
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+
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+{
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+ Test for additions on CPUs with a 16-bit native integer.
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+ This test is Turbo Pascal 7 compatible.
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+}
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+
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+{ Turn range checking off, as this test causes overflows intentionally to
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+ test the size and signedness of the integer that's being used. }
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+{$R-}
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+
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+procedure Error;
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+begin
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+ Writeln('Error!');
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+ halt(1);
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+end;
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+
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+var
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+ s8, s8_2: shortint;
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+ u8, u8_2: byte;
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+ s16, s16_2: integer;
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+ u16, u16_2: word;
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+ s32, s32_2: longint;
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+begin
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+ Writeln(' signed8 + signed8 -> signed16 ');
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+ s8 := 127; s8_2 := 127;
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+ s32 := s8 + s8_2;
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+ if s32 <> 254 then
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+ Error;
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+ s32 := s8 + s8_2 + s8 + s8_2;
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+ if s32 <> 508 then
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+ Error;
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+ s32 := s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2 +
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+ s8 + s8_2 + s8 + s8_2 + s8 + s8_2 + s8 + s8_2;
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+ if s32 <> -32008 then
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+ Error;
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+
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+ Writeln(' signed8 + signed16 -> signed16 ');
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+ s16 := 32767; s8 := 127;
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+ s32 := s16 + s8;
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+ if s32 <> -32642 then
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+ Error;
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+ s32 := s8 + s16;
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+ if s32 <> -32642 then
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+ Error;
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+
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+ Writeln(' signed16 + signed16 -> signed16 ');
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+ s16 := 32767; s16_2 := 32767;
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+ s32 := s16 + s16_2;
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+ if s32 <> -2 then
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+ Error;
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+
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+ Writeln(' unsigned8 + unsigned8 -> signed16 ');
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+ u8 := 255; u8_2 := 255;
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+ s32 := u8 + u8_2;
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+ if s32 <> 510 then
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+ Error;
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+ s32 := u8 + u8_2 + u8 + u8_2;
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+ if s32 <> 1020 then
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+ Error;
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+ s32 := u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2 +
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+ u8 + u8_2 + u8 + u8_2 + u8 + u8_2 + u8 + u8_2;
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+ if s32 <> -30856 then
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+ Error;
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+
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+ Writeln(' unsigned8 + unsigned16 -> unsigned16 ');
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+ u16 := 65535; u8 := 255;
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+ s32 := u16 + u8;
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+ if s32 <> 254 then
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+ Error;
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+ s32 := u8 + u16;
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+ if s32 <> 254 then
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+ Error;
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+ u16 := 32768; u8 := 255;
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+ s32 := u16 + u8;
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+ if s32 <> 33023 then
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+ Error;
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+ s32 := u8 + u16;
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+ if s32 <> 33023 then
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+ Error;
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+
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+ Writeln(' unsigned16 + unsigned16 -> unsigned16 ');
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+ u16 := 32767; u16_2 := 1;
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+ s32 := u16 + u16_2;
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+ if s32 <> 32768 then
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+ Error;
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+ u16 := 65535; u16_2 := 65535;
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+ s32 := u16 + u16_2;
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+ if s32 <> 65534 then
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+ Error;
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+
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+ Writeln(' signed8 + unsigned8 -> signed16 ');
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+ s8 := 127; u8 := 255;
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+ s32 := s8 + u8;
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+ if s32 <> 382 then
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+ Error;
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+ s32 := s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 +
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+ s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8 + s8 + u8;
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+ if s32 <> -30774 then
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+ Error;
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+
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+ Writeln(' unsigned8 + signed16 -> signed16 ');
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+ u8 := 255; s16 := 32767;
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+ s32 := u8 + s16;
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+ if s32 <> -32514 then
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+ Error;
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+ s32 := s16 + u8;
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+ if s32 <> -32514 then
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+ Error;
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+
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+ Writeln(' signed8 + unsigned16 -> signed32 ');
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+ s8 := 127; u16 := 65535;
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+ s32 := s8 + u16;
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+ if s32 <> 65662 then
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+ Error;
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+ s32 := u16 + s8;
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+ if s32 <> 65662 then
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+ Error;
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+
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+ Writeln(' signed16 + unsigned16 -> signed32 ');
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+ s16 := 32767; u16 := 65535;
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+ s32 := s16 + u16;
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+ if s32 <> 98302 then
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+ Error;
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+ s32 := u16 + s16;
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+ if s32 <> 98302 then
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+ Error;
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+
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+ Writeln(' signed32 + signed8 -> signed32 ');
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+ s32_2 := 1000000; s8 := 127;
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+ s32 := s32_2 + s8;
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+ if s32 <> 1000127 then
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+ Error;
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+ s32 := s8 + s32_2;
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+ if s32 <> 1000127 then
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+ Error;
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+
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+ Writeln(' signed32 + unsigned8 -> signed32 ');
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+ s32_2 := 1000000; u8 := 255;
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+ s32 := s32_2 + u8;
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+ if s32 <> 1000255 then
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+ Error;
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+ s32 := u8 + s32_2;
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+ if s32 <> 1000255 then
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+ Error;
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+
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+ Writeln(' signed32 + signed16 -> signed32 ');
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+ s32_2 := 1000000; s16 := 32767;
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+ s32 := s32_2 + s16;
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+ if s32 <> 1032767 then
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+ Error;
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+ s32 := s16 + s32_2;
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+ if s32 <> 1032767 then
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+ Error;
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+
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+ Writeln(' signed32 + unsigned16 -> signed32 ');
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+ s32_2 := 1000000; u16 := 65535;
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+ s32 := s32_2 + u16;
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+ if s32 <> 1065535 then
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+ Error;
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+ s32 := u16 + s32_2;
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+ if s32 <> 1065535 then
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+ Error;
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+
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+ Writeln(' signed32 + signed32 -> signed32 ');
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+ s32_2 := 1000000000;
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+ s32 := s32_2 + s32_2;
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+ if s32 <> 2000000000 then
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+ Error;
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+ s32 := s32_2 + s32_2 + s32_2;
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+ if s32 <> -1294967296 then
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+ Error;
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+end.
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