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C/C++ Users Journal 1990 - 1995
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CUJ.iso
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image92
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9205f1f1.pcx
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PC Paintbrush Image
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1996-01-31
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48KB
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459x355
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4-bit (4 colors)
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OCR:
CPU Physical Address Calculation (Base << 4) + Offset = Physical Address Base 15,14 13,12 11 10 9 8 7 6 5 4: 3.2.1.0 Offset 15 14 13 12 11 10 9 8. 7 .6 5 4 3 2 1.0 Physical Address 19 16 17 16 15 14 13 12.11 10 9 6 7 6 5 4 3 2 10 DMA Physical Address Calculation (Page << 16) + Offset = Physical Address 32 10 Page 15 14 13 12 11 10 9 8 7 6.5 4 3 2 1 0 Offset Physical Address 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ..