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{$mode macpas}
{$r-}
procedure error(l: longint);
begin
writeln('error near ',l);
halt(1);
end;
procedure test8bit;
type
ta = 0..1;
tb = packed array[0..999] of ta;
tc = array[0..124] of byte;
const
{$ifdef ENDIAN_BIG}
results: array[0..9] of ta = (1,0,1,0,1,0,1,0,1,0);
{$else}
results: array[0..9] of ta = (0,1,0,1,0,1,0,1,0,1);
{$endif}
var
a: ta;
b: tb;
i: longint;
begin
b[0] := results[0];
b[1] := results[1];
b[2] := results[2];
b[3] := results[3];
b[4] := results[4];
b[5] := results[5];
b[6] := results[6];
b[7] := results[7];
b[8] := results[8];
b[9] := results[9];
if (b[0] <> results[0]) then
error(1);
if (b[1] <> results[1]) then
error(2);
if (b[2] <> results[2]) then
error(3);
if (b[3] <> results[3]) then
error(4);
if (b[4] <> results[4]) then
error(5);
// if (b[600] <> 1) then
// error(6);
for i := low(results) to high(results) do
if b[i] <> results[i] then
error(7);
// i := 500;
// if (b[i] <> 1) then
// error(8);
end;
procedure test8to16bit;
type
ta = 0..7;
tb = packed array[0..1000] of ta;
const
{$ifdef ENDIAN_BIG}
{ 010 110 100 101 101 001 011 010 010 11010010110100101101001011010 }
results: array[0..5] of ta = (2,6,4,5,5,1);
{$else}
{ (memory layout is different but equivalent with starting at end }
{ 01011010010110100101101001011 010 010 110 100 101 101 001 011 010 }
results: array[0..5] of ta = (2,3,1,5,5,4);
{$endif}
var
a: ta;
b: tb;
i: longint;
begin
b[0] := results[0];
b[1] := results[1];
b[2] := results[2];
b[3] := results[3];
b[4] := results[4];
b[5] := results[5];
if (b[0] <> results[0]) then
error(11);
if (b[1] <> results[1]) then
error(12);
if (b[2] <> results[2]) then
error(13);
if (b[3] <> results[3]) then
error(14);
if (b[4] <> results[4]) then
error(15);
if (b[5] <> results[5]) then
error(155);
// if (b[600] <> 2) then
// error(16);
for i := low(results) to high(results) do
if b[i] <> results[i] then
error(17);
// i := 500;
// if (b[i] <> 5) then
// error(18);
end;
procedure test16bit;
type
ta = 0..511;
tb = packed array[0..799] of ta;
tc = array[0..899] of byte;
const
{$ifdef ENDIAN_BIG}
{ 010110100 111011001 011010011 101100101 101001110 110010110 100111011 001011010 0111011001011010011101100101101001110110 }
results: array[0..4] of ta = ($5A*2,$76 * 4 + 1,$69 * 2 + 1,$B2 * 2 + 1,$A7 * 2);
{$else}
{ algorithm: cut bit string in 16 bit chunks, byteswap, take 9 bits from right to left per chunck, continuing at the right of the next chunck if the previous one is used up }
{ 001011010 100111011 110010110 101001110 101100101 011 0101101001110110010110100111011001011010011101100101101001110110 }
results: array[0..4] of ta = ($2D*2,$9D*2+1,$CB*2,$A7*2,$B2*2+1);
{$endif}
var
a: ta;
b: tb;
i: longint;
begin
b[0] := results[0];
b[1] := results[1];
b[2] := results[2];
b[3] := results[3];
b[4] := results[4];
if (b[0] <> results[0]) then
error(21);
if (b[1] <> results[1]) then
error(22);
if (b[2] <> results[2]) then
error(23);
if (b[3] <> results[3]) then
error(24);
if (b[4] <> results[4]) then
error(25);
// if (b[600] <> $76 * 2) then
// error(26);
for i := low(results) to high(results) do
if b[i] <> results[i] then
error(27);
// i := 500;
// if (b[i] <> $A7 * 2) then
// error(28);
end;
procedure test16to24bit;
type
ta = 0..2047;
tb = packed array[0..799] of ta;
tc = array[0..1099] of byte;
const
{$ifdef ENDIAN_BIG}
results: array[0..4] of ta = ($5A * 8 + 3,$B2 * 8 + 6,$9D * 8 + 4,$B4 * 8 + 7,$65 * 8 + 5);
{$else}
{ %11001011010 01101001110 00111011001 01100101101 10110100111 011101100 0111011001011010 0111011001011010 0111011001011010 }
results: array[0..4] of ta = ($0000065A,$0000034E,$000001D9,$0000032D,$000005A7);
{$endif}
var
a: ta;
b: tb;
i: longint;
begin
b[0] := results[0];
b[1] := results[1];
b[2] := results[2];
b[3] := results[3];
b[4] := results[4];
if (b[0] <> results[0]) then
error(31);
if (b[1] <> results[1]) then
error(32);
if (b[2] <> results[2]) then
error(33);
if (b[3] <> results[3]) then
error(34);
if (b[4] <> results[4]) then
error(35);
// if (b[600] <> $76 * 8 + 2) then
// error(36);
for i := low(results) to high(results) do
if b[i] <> results[i] then
error(37);
// i := 500;
// if (b[i] <> $65 * 8 + 5) then
// error(38);
end;
procedure test32bit;
type
ta = 0..(1 shl 19) - 1;
tb = packed array[0..799] of ta;
tc = array[0..1899] of byte;
const
{$ifdef ENDIAN_BIG}
results: array[0..4] of ta = ($5A76*8+2, $D3B2*8+6,$9D96*8+4,$ECB4*8+7,$65A7*8+3);
{$else}
{ 0100111011001011010 0110100111011001011 0010110100111011001 0110010110100111011 1110110010110100111 0 01110110010110100111011001011010 01110110010110100111011001011010 01110110010110100111011001011010 01110110010110100111011001011010 01110110010110100111011001011010 01110110010110100111011001011010}
results: array[0..4] of ta = ($0002765A,$00034ECB,$000169D9,$00032D3B,$000765A7);
{$endif}
var
a: ta;
b: tb;
i: longint;
begin
b[0] := results[0];
b[1] := results[1];
b[2] := results[2];
b[3] := results[3];
b[4] := results[4];
if (b[0] <> results[0]) then
error(41);
if (b[1] <> results[1]) then
error(42);
if (b[2] <> results[2]) then
error(43);
if (b[3] <> results[3]) then
error(44);
if (b[4] <> results[4]) then
error(45);
// if (b[600] <> $765A*8+3) then
// error(46);
for i := low(results) to high(results) do
if b[i] <> results[i] then
error(47);
// i := 500;
// if (b[i] <> $65a7*8+3) then
// error(48);
end;
{
write(hexstr(%1110110010110100111011001011010 ,8),',$');
write(hexstr(%1101100101101001110110010110100 ,8),',$');
write(hexstr(%1011001011010011101100101101001 ,8),',$');
write(hexstr(%0110010110100111011001011010011 ,8),',$');
writeln(hexstr(%1100101101001110110010110100111 ,8));
}
procedure test32to40bit;
type
ta = 0..$7fffffff;
tb = packed array[0..799] of ta;
tc = array[0..3099] of byte;
const
{$ifdef ENDIAN_BIG}
results: array[0..4] of ta = ($5A765A7*8+3,$2D3B2D3*8+5,$969D969*8+6,$CB4ECB4*8+7,$65A765A*8+3);
{$else}
{
1110110010110100111011001011010 1101100101101001110110010110100 1011001011010011101100101101001 0110010110100111011001011010011 1100101101001110110010110100111 1001011010011101100101101001110 011101
}
results: array[0..4] of ta = ($765A765A,$6CB4ECB4,$5969D969,$32D3B2D3,$65A765A7);
{$endif}
var
a: ta;
b: tb;
i: longint;
begin
b[0] := results[0];
b[1] := results[1];
b[2] := results[2];
b[3] := results[3];
b[4] := results[4];
if (b[0] <> results[0]) then
error(51);
if (b[1] <> results[1]) then
error(52);
if (b[2] <> results[2]) then
error(53);
if (b[3] <> results[3]) then
error(54);
if (b[4] <> results[4]) then
error(55);
for i := low(results) to high(results) do
if b[i] <> results[i] then
error(57);
// i := 500;
// if (b[i] <> $65A765A*8+3) then
// error(58);
end;
begin
test8bit;
test8to16bit;
test16bit;
test16to24bit;
test32bit;
test32to40bit;
end.
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