Last change
on this file since 57425b6 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Imported original source code.
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100755
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File size:
939 bytes
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1 | The following symbols are reserved in the Alcyon assembler, and may appear in
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2 | either upper or lower case:
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3 |
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4 | .B: byte modifier
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5 | .L: long modifier
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6 | .W: word modifier
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7 |
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8 | A0: .
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9 | A1: .
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10 | A2: .
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11 | A3: ... Address registers a0..a7
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12 | A4: .
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13 | A5: .
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14 | A6: .
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15 | A7: .
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16 |
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17 | D0: .
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18 | D1: .
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19 | D2: .
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20 | D3: ... Data registers d0..d7
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21 | D4: .
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22 | D5: .
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23 | D6: .
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24 | D7: .
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25 |
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26 | R0: .
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27 | R1: .
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28 | R2: .
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29 | R3: ... Synonyms for d0..d7
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30 | R4: .
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31 | R5: .
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32 | R6: .
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33 | R7: .
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34 |
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35 | R8: .
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36 | R9: .
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37 | R10: .
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38 | R11: ... Synonyms for a0..a7
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39 | R12: .
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40 | R13: .
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41 | R14: .
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42 | R15: .
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43 |
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44 | PC: Program counter
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45 | SR: Status register
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46 | CCR: Condition code register
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47 |
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48 | SP: Active stack pointer
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49 | USP: User stack pointer
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50 |
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51 | DFC: Data function code
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52 | SFC: Source function code register
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53 |
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54 | VBR: Vector base register
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55 | VSR: Virtual status register (has same definition in as68 as VBR)
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