Darrel,

Here is the output from your program -


1F00 FFFF
1F02 FFFF
1F04 FFFF
1F06 FFFF
1F08 FFFF
1F0A FFFF
1F0C FFFF
1F0E FFFF
1F10 FFFF
1F12 FFFF
1F14 FFFF
1F16 FFFF
1F18 FFFF
1F1A FFFF
1F1C FFFF
1F1E FFFF
1F20 FFFF
1F22 FFFF
1F24 FFFF
1F26 FFFF
1F28 FFFF
1F2A FFFF
1F2C FFFF
1F2E FFFF
1F30 FFFF
1F32 FFFF
1F34 FFFF
1F36 FFFF
1F38 3938
1F3A 3B3A
1F3C 3D3C
1F3E 3F3E


1F00 FFFF
1F02 FFFF
1F04 FFFF
1F06 FFFF
1F08 FFFF
1F0A FFFF
1F0C FFFF
1F0E FFFF
1F10 FFFF
1F12 FFFF
1F14 FFFF
1F16 FFFF
1F18 FFFF
1F1A FFFF
1F1C FFFF
1F1E FFFF
1F20 FFFF
1F22 FFFF
1F24 FFFF
1F26 FFFF
1F28 FFFF
1F2A FFFF
1F2C FFFF
1F2E FFFF
1F30 FFFF
1F32 FFFF
1F34 FFFF
1F36 FFFF
1F38 FFFF
1F3A FFFF
1F3C FFFF
1F3E FFFF

1F00 FFFF
1F02 FFFF
1F04 FFFF
1F06 FFFF
1F08 FFFF
1F0A FFFF
1F0C FFFF
1F0E FFFF
1F10 FFFF
1F12 FFFF
1F14 FFFF
1F16 FFFF
1F18 FFFF
1F1A FFFF
1F1C FFFF
1F1E FFFF
1F20 FFFF
1F22 FFFF
1F24 FFFF
1F26 FFFF
1F28 FFFF
1F2A FFFF
1F2C FFFF
1F2E FFFF
1F30 FFFF
1F32 FFFF
1F34 FFFF
1F36 FFFF
1F38 3938
1F3A 3B3A
1F3C 3D3C
1F3E 3F3E