annotate lib/kreiderclib/setbase.as @ 3278:ea1afb494127

defs: Add Bt.Sec for atari and corsham
author Tormod Volden <debian.tormod@gmail.com>
date Sat, 07 Mar 2020 23:52:40 +0100
parents 1647f1874cdf
children
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1 * Disassembly by Os9disasm of setbase.r
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2
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3 section code
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4
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5 _setbase: pshs u
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6 ldu 4,s
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7 ldb 7,u
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8 bitb #$c0
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9 bne L0029
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10 leas -32,s
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11 leax ,s
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12 ldd 8,u
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13 pshs d,x
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14 clra
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15 clrb
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16 pshs d
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17 lbsr getstat
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18 ldb #$40
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19 lda 6,s
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20 beq L0022
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21 ldb #$80
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22 L0022 leas 38,s
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23 orb 7,u
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24 stb 7,u
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25 L0029 lda 6,u
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26 ora #$80
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27 sta 6,u
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28 andb #$0c
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29 bne L006c
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30 ldd 11,u
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31 bne L003c
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32 ldd #$0100
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33 std 11,u
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34 L003c ldd 2,u
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35 bne L0051
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36 ldd 11,u
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37 pshs d
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38 lbsr ibrk
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39 leas 2,s
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40 std 2,u
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41 cmpd #-1
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42 beq L0055
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43 L0051 ldb #8
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44 bra L0060
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45 L0055 leax 10,u
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46 stx 2,u
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47 ldd #1
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48 std 11,u
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49 ldb #4
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50 L0060 orb 7,u
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51 stb 7,u
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52 ldd 2,u
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53 addd 11,u
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54 std 4,u
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55 std ,u
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56 L006c puls u,pc
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57
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58 endsect
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59