Mercurial > repos > blastem
annotate sf2_vram_map.txt @ 653:a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 01 Jan 2015 14:36:55 -0800 |
parents | b231162c8fdd |
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b231162c8fdd
Add some logic analyzer captures, a Python script for analyzing said captures and a higher level analysis of the output
Mike Pavone <pavone@retrodev.com>
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1 0000: single color blocks |
b231162c8fdd
Add some logic analyzer captures, a Python script for analyzing said captures and a higher level analysis of the output
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2 0200: Random symbols???? |
b231162c8fdd
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3 0400-0C00: Font |
b231162c8fdd
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4 0C00-0E??: Score font |
b231162c8fdd
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5 0E??: Player name displays |
b231162c8fdd
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6 |
b231162c8fdd
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7 2000-3000: floor (mostly, some garbage around 2800 and 2A00) |
b231162c8fdd
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8 3000-6C00: background |
b231162c8fdd
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9 6C00-8000: not graphics |
b231162c8fdd
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10 8000-~8A00: bat/bird sprites, special attack text |
b231162c8fdd
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11 8A00-9000: ????? |
b231162c8fdd
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12 9000-9200: More special attack text |
b231162c8fdd
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13 9200-9600: another font |
b231162c8fdd
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14 9800-AA00: special attack effects? |
b231162c8fdd
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15 AC00-B000: ???? |
b231162c8fdd
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16 B000-B500: character sprite |
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17 ???? |
b231162c8fdd
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18 C000-C500: chracter sprite |
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19 D000-DA00: window name table |
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20 DA00-DC00: Sprite attribute table |
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21 DC00-E000: horizontal scroll data |
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22 E000-????: plane A&B name table |
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23 C500-FFFF: not graphics |
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24 |
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25 VDP Registers: |
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26 Mode |
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27 00 - 14 |
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28 01 - 64 |
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29 Scroll A Name Table Address: E000 |
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30 02 - 38 |
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31 Window Name Table Address: D000 |
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32 03 - 34 |
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33 Scroll B Name Table Address: E000 |
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34 04 - 07 |
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35 Sprite Attribute Table Address: DA00 |
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36 05 - 6D |
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37 06 - 00 |
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38 Backdrop color - 0 |
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39 07 - 00 |
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40 08 - 00 |
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41 09 - 00 |
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42 HINT Counter |
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43 0A - AF |
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44 Mode - Full screen vertical scroll, line horizontal scroll, external ints disabled, 32 cell display, no interlacing |
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45 0B - 03 |
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46 0C - 00 |
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47 H Scroll Data Address: DC00 |
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48 0D - 37 |
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49 0E - 00 |
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50 Auto increment |
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51 0F - 02 |
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52 Scroll Size |
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53 10 - 11 |
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54 Window H Pos |
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55 11 - 00 |
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56 Window V Pos |
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57 12 - 05 |
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58 DMA transfer length |
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59 13 - 00 |
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60 14 - 00 |
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61 DMA source address and mode |
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62 15 - DB |
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63 16 - CF |
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64 17 - 7F |