717 lines
37 KiB
Text
717 lines
37 KiB
Text
1 ; BOOT MONITOR
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2 ;
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3 ; REBASE HIGHER LINK/BOT:140000
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4 ; WANT PERFORMANCE COUNTER - CLOCK TICKS TO DO SOMETHING?
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5
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6 177776 PSW = 177776
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7 177564 DL11XCSR = 177564
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8 000064 DL11VEC = 64
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9
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10 177546 KW11LKS = 177546
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11 000100 KW11VEC = 100
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12
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13 .ASECT
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14 140000 .=140000
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15 140000 000005 START: RESET
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16 140002 005037 177776 CLR @#PSW
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17 140006 012706 140000 MOV #START,SP
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18 140012 005037 177564 CLR @#DL11XCSR ; CLEAR THE XCSR
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19 140016 012700 141136 MOV #BANNER,R0
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20 140022 004767 140150' JSR PC,PRINT
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21 140026 012737 140124 000100 MOV #CLKAST,@#KW11VEC
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22 140034 012737 000340 000102 MOV #340,@#KW11VEC+2
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23 140042 052737 000100 177546 BIS #100,@#KW11LKS ; SET CLOCK TICKING
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24
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25 140050 012700 141166 MOV #PROMPT,R0
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26 140054 004767 140150' JSR PC,PRINT
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27 140060 162706 000256 SUB #256,SP
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28 140064 010600 MOV SP,R0
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29 140066 004767 140244' JSR PC,INPUT
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30 140072 005000 CLR R0
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31 140074 000001 1$: WAIT
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32 140076 005200 INC R0
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33 140100 005767 140120' TST LGHTON
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34 140104 001773 BEQ 1$
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35 140106 012746 054000 MOV #054000,-(SP) ; SUPER PRIORITY 0 ALT REG
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36 140112 016746 140120' MOV LGHTON,-(SP) ; CALL SUPER LOOP START
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37 140116 000002 RTI
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38
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39 140120 000000 LGHTON: .WORD 0
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40 140122 000000 CLKTIC: .WORD 0
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41
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42 CLKAST:
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43 140124 005267 140122' INC CLKTIC
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44 140130 000002 RTI
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45
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46 ONECHR:
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47 140132 105737 177564 TSTB @#DL11XCSR
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48 140136 100375 BPL ONECHR
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49 140140 110037 177566 MOVB R0,@#177566
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50 140144 000207 RTS PC
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51
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52 140146 000000 PRTPTR: .WORD 0
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53
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54 PRINT:
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55 140150 132737 000100 177564 BITB #100,@#DL11XCSR
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56 140156 001374 BNE PRINT
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57 140160 010067 140146' MOV R0,PRTPTR
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58 140164 012737 140210 000064 MOV #PRTAST,@#DL11VEC
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59 140172 012737 000200 000066 MOV #200,@#DL11VEC+2
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60 140200 152737 000100 177564 BISB #100,@#DL11XCSR
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61 140206 000207 RTS PC
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62
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63 PRTAST:
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64 140210 105777 140146' TSTB @PRTPTR
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65 140214 001406 BEQ 2$
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66 140216 117737 140146' 177566 MOVB @PRTPTR,@#177566
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67 140224 005267 140146' INC PRTPTR
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68 140230 000002 RTI
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69 140232 105037 177564 2$: CLRB @#177564
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70 140236 000002 RTI
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71
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72 140240 000000 BUFFER: .WORD 0 ; INPUT BUFFER POINTER
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73 140242 000000 LENGTH: .WORD 0 ; INPUT BUFFER LENGTH
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74
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75 INPUT:
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76 140244 010067 140240' MOV R0,BUFFER
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77 140250 005067 140242' CLR LENGTH
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78 140254 012737 140300 000060 MOV #INPAST,@#60
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79 140262 012737 000200 000062 MOV #200,@#62
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80 140270 152737 000100 177560 BISB #100,@#177560
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81 140276 000207 RTS PC
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82
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83 INPAST:
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84 140300 010046 MOV R0,-(SP)
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85 140302 113700 177562 MOVB @#177562,R0
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86 140306 120027 000015 CMPB R0,#15
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87 140312 001455 BEQ 7$ ; CARRIAGE RETURN
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88 140314 120027 000177 CMPB R0,#127.
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89 140320 001403 BEQ 2$ ; <DEL>
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90 140322 120027 000010 CMPB R0,#10
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91 140326 001012 BNE 4$ ; BACK SPACE
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92 140330 005767 140242' 2$: TST LENGTH ; DATA IN BUFFER?
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93 140334 001406 BEQ 3$
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94 140336 005367 140242' DEC LENGTH ; LENGTH
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95 140342 012700 141047 MOV #DEL,R0
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96 140346 004767 140150' JSR PC,PRINT
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97 140352 000453 3$: BR 9$
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98 140354 120027 000040 4$: CMPB R0,#40
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99 140360 002450 BLT 9$ ; BELOW SPACE
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100 140362 120027 000177 CMPB R0,#177
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101 140366 002045 BGE 9$ ; SKIP STUFF TOO BIG
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102 140370 004767 140132' JSR PC,ONECHR ; ECHO CHAR
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103 140374 120027 000172 CMPB R0,#172
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104 140400 003005 BGT 5$ ; ABOVE Z
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105 140402 120027 000141 CMPB R0,#141
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106 140406 002402 BLT 5$ ; BELOW A
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107 140410 142700 000040 BICB #40,R0 ; CONVERT TO UPPER CASE
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108 140414 026727 140242' 000254 5$: CMP LENGTH,#254
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109 140422 002027 BGE 9$
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110 140424 110046 MOVB R0,-(SP)
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111 140426 016700 140240' MOV BUFFER,R0
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112 140432 066700 140242' ADD LENGTH,R0
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113 140436 112610 MOVB (SP)+,(R0)
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114 140440 005267 140242' INC LENGTH
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115 140444 000416 BR 9$
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116
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117 140446 016700 140240' 7$: MOV BUFFER,R0
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118 140452 066700 140242' ADD LENGTH,R0
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119 140456 105010 CLRB (R0)
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120 140460 012737 140506 000240 MOV #CMD,@#240 ; CALL CMD AT PRIORITY 2
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121 140466 012737 000100 000242 MOV #100,@#242
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122 140474 012737 002000 177772 MOV #2000,@#177772
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123 140502 012600 9$: MOV (SP)+,R0
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124 140504 000002 RTI
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125
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126 CMD:
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127 140506 005037 177772 CLR @#177772 ; NO MORE PIR CALLS
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128 140512 010046 MOV R0,-(SP)
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129 140514 010146 MOV R1,-(SP)
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130 140516 010246 MOV R2,-(SP)
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131 140520 010346 MOV R3,-(SP)
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132 140522 010446 MOV R4,-(SP)
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133 140524 012700 141044 MOV #EOL,R0
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134 140530 004767 140150' JSR PC,PRINT
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135 140534 132737 000100 177564 1$: BITB #100,@#177564
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136 140542 001374 BNE 1$
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137 140544 005004 CLR R4
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138 140546 012703 141053 MOV #CMDLST,R3 ; CMD LIST
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139 140552 112300 3$: MOVB (R3)+,R0
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140 140554 001431 BEQ 13$
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141 140556 016702 140240' MOV BUFFER,R2 ; USER CMD
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142 140562 112201 4$: MOVB (R2)+,R1
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143 140564 001431 BEQ 15$ ; NULL COMMAND?
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144 140566 120127 000040 CMPB R1,#40
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145 140572 001773 BEQ 4$ ; SKIP SPACE
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146 140574 120001 5$: CMPB R0,R1
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147 140576 001010 BNE 7$
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148 140600 112300 MOVB (R3)+,R0
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149 140602 001412 BEQ 9$
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150 140604 112201 MOVB (R2)+,R1
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151 140606 001410 BEQ 9$
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152 140610 120127 000040 CMPB R1,#40
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153 140614 001367 BNE 5$
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154 140616 000404 BR 9$
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155 140620 112300 7$: MOVB (R3)+,R0
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156 140622 001376 BNE 7$
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157 140624 005204 INC R4
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158 140626 000751 BR 3$
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159 140630 006304 9$: ASL R4
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160 140632 004774 140700 JSR PC,@CMDTBL(R4) ; EXECUTE
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161 140636 000404 BR 15$
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162
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163 140640 012700 141114 13$: MOV #UNKMSG,R0
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164 140644 004767 140150' JSR PC,PRINT
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165
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166 140650 005067 140242' 15$: CLR LENGTH
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167 140654 012700 141166 MOV #PROMPT,R0
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168 140660 004767 140150' JSR PC,PRINT
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169 140664 012604 MOV (SP)+,R4
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170 140666 012603 MOV (SP)+,R3
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171 140670 012602 MOV (SP)+,R2
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172 140672 012601 MOV (SP)+,R1
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173 140674 012600 MOV (SP)+,R0
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174 140676 000002 RTI
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175
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176
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177 140700 142656 141304 141320 CMDTBL: .WORD BOOT,HALT,TEST,DIAG,LIGHTS,HELP
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140706 141426 142172 141272
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178 140714 103 117 115 HLPMSG: .ASCIZ 'COMMANDS ARE BOOT, HALT, TEST, DIAG, LIGHTS AND HELP'<15><12>'BOOT DEVICES ARE RK? RL? OR RP?'<15><12>
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140717 115 101 116
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140722 104 123 040
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140725 101 122 105
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140730 040 102 117
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140733 117 124 054
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140736 040 110 101
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140741 114 124 054
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140744 040 124 105
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140747 123 124 054
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140752 040 104 111
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140755 101 107 054
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140760 040 114 111
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140763 107 110 124
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140766 123 040 101
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140771 116 104 040
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140774 110 105 114
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140777 120 015 012
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141002 102 117 117
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141005 124 040 104
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141010 105 126 111
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141013 103 105 123
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141016 040 101 122
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141021 105 040 122
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141024 113 077 040
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141027 122 114 077
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141032 040 117 122
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141035 040 122 120
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141040 077 015 012
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141043 000
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179 141044 015 012 000 EOL: .BYTE 15,12,0
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180 141047 010 040 010 DEL: .BYTE 10,40,10,0
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141052 000
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181 141053 102 117 117 CMDLST: .ASCIZ 'BOOT'
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141056 124 000
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182 141060 110 101 114 .ASCIZ 'HALT'
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141063 124 000
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183 141065 124 105 123 .ASCIZ 'TEST'
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141070 124 000
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184 141072 104 111 101 .ASCIZ 'DIAG'
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141075 107 000
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185 141077 114 111 107 .ASCIZ 'LIGHTS'
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141102 110 124 123
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141105 000
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186 141106 110 105 114 .ASCIZ 'HELP'
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141111 120 000
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187 141113 000 .BYTE 0
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188 141114 125 116 113 UNKMSG: .ASCIZ 'UNKNOWN COMMAND'<12><15>
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141117 116 117 127
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141122 116 040 103
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141125 117 115 115
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141130 101 116 104
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141133 012 015 000
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189 141136 120 104 120 BANNER: .ASCIZ 'PDP-11 MONITOR V1.0'<12><15><12><15>
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141141 055 061 061
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141144 040 115 117
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141147 116 111 124
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141152 117 122 040
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141155 126 061 056
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141160 060 012 015
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141163 012 015 000
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190 ; 'ADAPTED FROM CODE BY PAUL NANKERVIS <PAULNANK@HOTMAIL.COM>'<12><15><12><15>
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191 141166 102 117 117 PROMPT: .ASCIZ 'BOOT> '
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141171 124 076 040
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141174 000
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192 141175 125 116 113 BADBOO: .ASCIZ 'UNKNOWN BOOT DEVICE'<12><15>
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141200 116 117 127
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141203 116 040 102
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141206 117 117 124
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141211 040 104 105
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141214 126 111 103
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141217 105 012 015
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141222 000
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193 141223 040 040 040 PERMSG: .ASCIZ ' CLOCK TICKS'<12><15>
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141226 040 040 040
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141231 103 114 117
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141234 103 113 040
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141237 124 111 103
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141242 113 123 012
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141245 015 000
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194 141247 040 040 040 LOOMSG: .ASCIZ ' ITERATIONS'<12><15>
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141252 040 040 040
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141255 111 124 105
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141260 122 101 124
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141263 111 117 116
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141266 123 012 015
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141271 000
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195
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196 .EVEN
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197
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198 HELP:
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199 141272 012700 140714 MOV #HLPMSG,R0
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200 141276 004767 140150' JSR PC,PRINT
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201 141302 000207 RTS PC
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202
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203 HALT:
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204 141304 000000 HALT
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205 141306 012700 141044 MOV #EOL,R0
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206 141312 004767 140150' JSR PC,PRINT
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207 141316 000207 RTS PC
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208
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209 TEST:
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210 141320 005067 140122' CLR CLKTIC
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211
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212 141324 012705 015000 MOV #15000,R5
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213 141330 010537 177570 10$: MOV R5,@#177570 ; DISPLAY
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214 141334 010504 MOV R5,R4
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215 141336 006204 ASR R4
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216 141340 005000 15$: CLR R0
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217 141342 010501 MOV R5,R1
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218 141344 071004 DIV R4,R0
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219 141346 010002 MOV R0,R2
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220 141350 070204 MUL R4,R2
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221 141352 060301 ADD R3,R1
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222 141354 020105 CMP R1,R5
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223 141356 001401 BEQ 20$
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224 141360 000000 HALT
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225 141362 077412 20$: SOB R4,15$
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226 141364 077517 SOB R5,10$
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227
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228 141366 012700 141230 MOV #PERMSG+5,R0
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229 141372 016703 140122' MOV CLKTIC,R3
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230
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231 141376 005002 25$: CLR R2
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232 141400 071227 000010 DIV #10,R2
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233 141404 062703 000060 ADD #'0,R3
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234 141410 110340 MOVB R3,-(R0)
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235 141412 010203 MOV R2,R3
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236 141414 001370 BNE 25$
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237
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238 141416 004767 140150' JSR PC,PRINT
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239 141422 000207 RTS PC
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240
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241 141424 000000 LOOCNT: .WORD 0
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242
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243 DIAG:
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244 141426 005067 141424' CLR LOOCNT
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245 141432 005067 140122' CLR CLKTIC
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246 DIAGLP:
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247 141436 005005 CLR R5
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248 141440 100404 BMI L1
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249 141442 102403 BVS L1
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250 141444 101002 BHI L1
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251 141446 002401 BLT L1
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252 141450 101401 BLOS L2
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253 141452 000000 L1: HALT
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254
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255 141454 005305 L2: DEC R5
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256 141456 100003 BPL L3
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257 141460 001402 BEQ L3
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258 141462 002001 BGE L3
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259 141464 003401 BLE L4
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260 141466 000000 L3: HALT
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261
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262 141470 006005 L4: ROR R5
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263 141472 102002 BVC L5
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264 141474 103001 BCC L5
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265 141476 001001 BNE L6
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266 141500 000000 L5: HALT
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267
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268 141502 112737 000017 177776 L6: MOVB #17,@#177776
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269 141510 100004 BPL L7
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270 141512 102003 BVC L7
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271 141514 002402 BLT L7
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272 141516 101001 BHI L7
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273 141520 100401 BMI L8
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274 141522 000000 L7: HALT
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275
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276 141524 012703 077777 L8: MOV #77777,R3
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277 141530 062703 077777 ADD #77777,R3
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278 141534 123727 177776 000005 CMPB @#177776,#5
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279 141542 001001 BNE L9
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280 141544 000000 HALT
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281
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282 141546 112704 001700 L9: MOVB #1700,R4
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283 141552 100003 BPL L10
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284 141554 020427 177700 CMP R4,#177700
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285 141560 001401 BEQ L11
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286 141562 000000 L10: HALT
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287
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288 141564 105004 L11: CLRB R4
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289 141566 020427 177400 CMP R4,#177400
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290 141572 001401 BEQ L12
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291 141574 000000 HALT
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292
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293 141576 012705 125252 L12: MOV #125252,R5
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294 141602 010500 MOV R5,R0
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295 141604 010001 MOV R0,R1
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296 141606 010102 MOV R1,R2
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297 141610 010203 MOV R2,R3
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298 141612 010304 MOV R3,R4
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299 141614 010405 MOV R4,R5
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300 141616 160501 SUB R5,R1
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301 141620 002401 BLT NODIAG
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302 141622 001401 BEQ L13
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303 141624 000000 NODIAG: HALT
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304
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305 141626 006102 L13: ROL R2
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306 141630 103001 BCC L14
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307 141632 002401 BLT L15
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308 141634 000000 L14: HALT
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309
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310 141636 060203 L15: ADD R2,R3
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311 141640 005203 INC R3
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312 141642 005103 COM R3
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313 141644 060301 ADD R3,R1
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314 141646 103401 BCS L16
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315 141650 003401 BLE L17
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316 141652 000000 L16: HALT
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317
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318 141654 006004 L17: ROR R4
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319 141656 050403 BIS R4,R3
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320 141660 060503 ADD R5,R3
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321 141662 005203 INC R3
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322 141664 103402 BCS L18
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323 141666 005301 DEC R1
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324 141670 002401 BLT L19
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325 141672 000000 L18: HALT
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326
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327 141674 005100 L19: COM R0
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328 141676 101401 BLOS L20
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329 141700 000000 HALT
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330
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331 141702 040001 L20: BIC R0,R1
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332 141704 060101 ADD R1,R1
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333 141706 003001 BGT L21
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334 141710 003401 BLE L22
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335 141712 000000 L21: HALT
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336
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337 141714 000301 L22: SWAB R1
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338 141716 020127 052125 CMP R1,#052125
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339 141722 001004 BNE L23
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340 141724 030405 BIT R4,R5
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341 141726 003002 BGT L23
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342 141730 005105 COM R5
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343 141732 001001 BNE L24
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344 141734 000000 L23: HALT
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345
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346 141736 112700 177401 L24: MOVB #177401,R0
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347 141742 100001 BPL L26
|
|
348 141744 000000 L25: HALT
|
|
349
|
|
350 141746 077002 L26: SOB R0,L25
|
|
351 141750 005001 CLR R1
|
|
352 141752 005201 L27: INC R1
|
|
353 141754 077002 SOB R0,L27
|
|
354 141756 005700 TST R0
|
|
355 141760 001002 BNE L28
|
|
356 141762 005701 TST R1
|
|
357 141764 001401 BEQ L29
|
|
358 141766 000000 L28: HALT
|
|
359
|
|
360 141770 012707 141776 L29: MOV #N1,PC
|
|
361 141774 000000 HALT
|
|
362
|
|
363 141776 005727 N1: TST (PC)+
|
|
364 142000 000000 HALT
|
|
365
|
|
366 142002 012746 142012 N2: MOV #N3,-(SP)
|
|
367 142006 000207 RTS PC
|
|
368 142010 000000 HALT
|
|
369
|
|
370 142012 005046 N3: CLR -(SP)
|
|
371 142014 012746 142024 MOV #N4,-(SP)
|
|
372 142020 000002 RTI
|
|
373 142022 000000 HALT
|
|
374
|
|
375 142024 000137 142032 N4: JMP @#N5
|
|
376 142030 000000 HALT
|
|
377
|
|
378 142032 012705 000003 N5: MOV #3,R5
|
|
379 142036 005037 000006 CLR @#6
|
|
380 142042 012737 142054 000004 MOV #N6,@#4
|
|
381 142050 005745 TST -(R5)
|
|
382 142052 000000 HALT
|
|
383 142054 062706 000004 N6: ADD #4,SP
|
|
384
|
|
385 142060 005000 CLR R0
|
|
386 142062 012701 007777 MOV #7777,R1
|
|
387 142066 010002 N7: MOV R0,R2
|
|
388 142070 062702 000005 ADD #5,R2
|
|
389 142074 022062 177773 CMP (R0)+,-5(R2)
|
|
390 142100 001402 BEQ N8
|
|
391 142102 000000 HALT
|
|
392 142104 000000 D1: .WORD 0
|
|
393
|
|
394 142106 077111 N8: SOB R1,N7
|
|
395
|
|
396 142110 005267 141424' INC LOOCNT
|
|
397 142114 103001 BCC 10$
|
|
398 142116 000000 HALT
|
|
399 142120 026727 140122' 002200 10$: CMP CLKTIC,#2200
|
|
400 142126 101002 BHI 20$
|
|
401 142130 000167 141436' JMP DIAGLP
|
|
402 142134 012700 141254 20$: MOV #LOOMSG+5,R0
|
|
403 142140 016703 141424' MOV LOOCNT,R3
|
|
404
|
|
405 142144 005002 25$: CLR R2
|
|
406 142146 071227 000010 DIV #10,R2
|
|
407 142152 062703 000060 ADD #'0,R3
|
|
408 142156 110340 MOVB R3,-(R0)
|
|
409 142160 010203 MOV R2,R3
|
|
410 142162 001370 BNE 25$
|
|
411
|
|
412 142164 004767 140150' JSR PC,PRINT
|
|
413 142170 000207 RTS PC
|
|
414
|
|
415 177572 MMR0=177572
|
|
416 177574 MMR1=177574
|
|
417 177576 MMR2=177576
|
|
418 172516 MMR3=172516
|
|
419
|
|
420 LIGHTS:
|
|
421 142172 012703 077406 MOV #77406,R3 ; DEFAULT PDR
|
|
422 142176 005002 CLR R2
|
|
423 142200 005001 CLR R1
|
|
424 142202 012700 000010 MOV #8.,R0
|
|
425 142206 010361 172300 1$: MOV R3,172300(R1) ; KERNEL I PDR
|
|
426 142212 010261 172340 MOV R2,172340(R1) ; KERNEL I PAR
|
|
427 142216 010361 172320 MOV R3,172320(R1) ; KERNEL D PDR
|
|
428 142222 010261 172360 MOV R2,172360(R1) ; KERNEL D PAR
|
|
429 142226 010361 172200 MOV R3,172200(R1) ; SUPER I PDR
|
|
430 142232 010261 172240 MOV R2,172240(R1) ; SUPER I PAR
|
|
431 142236 010361 172220 MOV R3,172220(R1) ; SUPER D PDR
|
|
432 142242 010261 172260 MOV R2,172260(R1) ; SUPER D PAR
|
|
433 142246 010361 177600 MOV R3,177600(R1) ; USER I PDR
|
|
434 142252 010261 177640 MOV R2,177640(R1) ; USER I PAR
|
|
435 142256 010361 177620 MOV R3,177620(R1) ; USER D PDR
|
|
436 142262 010361 177660 MOV R3,177660(R1) ; USER D PAR
|
|
437 142266 062702 000200 ADD #200,R2
|
|
438 142272 062701 000002 ADD #2,R1
|
|
439 142276 077035 SOB R0,1$
|
|
440 142300 052737 176000 172376 BIS #176000,@#172376 ; KERNEL D POINTS TO I/O SPACE
|
|
441 142306 052737 176000 172276 BIS #176000,@#172276 ; SUPER D POINTS TO I/O SPACE
|
|
442 142314 052737 176000 177676 BIS #176000,@#177676 ; USER D POINTS TO I/O SPACE
|
|
443 142322 012737 000077 172516 MOV #77,@#MMR3 ; 77 FOR 22 BIT
|
|
444 142330 012737 000001 177572 MOV #1,@#MMR0
|
|
445
|
|
446 142336 012737 001700 172244 MOV #1700,@#172244 ; BASE SUPER I (PAR 2) #40000 AT #170000
|
|
447 142344 012737 001700 172264 MOV #1700,@#172264 ; BASE SUPER D (PAR 2) #40000 AT #170000
|
|
448 142352 012737 010000 177776 MOV #010000,@#177776 ; SET PM TO SUPER
|
|
449
|
|
450 142360 012703 040200 MOV #40200,R3 ; SUPER CODE ADDRESS
|
|
451 142364 012702 142412 MOV #SUPERS,R2 ; ADDRESS SUPER CODE
|
|
452 142370 012246 10$: MOV (R2)+,-(SP)
|
|
453 142372 006623 MTPI (R3)+
|
|
454 142374 020227 142656 CMP R2,#SUPERE
|
|
455 142400 103773 BLO 10$
|
|
456
|
|
457 142402 012767 040200 140120' MOV #40200,LGHTON ; CHANGE IDLE TASK
|
|
458 142410 000207 RTS PC
|
|
459
|
|
460 ;
|
|
461 ; TO BE COPIED TO SUPER #40200 AT PHYSICAL #170000
|
|
462 ; #40000 TO #40200 FOR WAIT & JMP INSTRUCTIONS
|
|
463 ;
|
|
464 SUPERS:
|
|
465 142412 012700 000037 MOV #37,R0 ; LOAD PATTERN
|
|
466 142416 012701 174000 MOV #174000,R1
|
|
467 142422 032737 000001 177570 BIT #1,@#177570
|
|
468 142430 001414 BEQ 10$
|
|
469 142432 012700 007417 MOV #7417,R0
|
|
470 142436 010001 MOV R0,R1
|
|
471 142440 005101 COM R1
|
|
472 142442 032737 000002 177570 BIT #2,@#177570
|
|
473 142450 001404 BEQ 10$
|
|
474 142452 012700 036163 MOV #36163,R0
|
|
475 142456 012701 037000 MOV #37000,R1
|
|
476 142462 010102 10$: MOV R1,R2
|
|
477 142464 162702 000002 SUB #2,R2
|
|
478 142470 042702 000001 BIC #1,R2 ; WAIT ADDRESS
|
|
479 142474 010203 MOV R2,R3
|
|
480 142476 042703 177701 BIC #177701,R3 ; ADDRESS OFFSET
|
|
481 142502 012763 000001 040000 MOV #0000001,40000(R3) ; WRITE WAIT
|
|
482 142510 062703 000002 ADD #2,R3
|
|
483 142514 012763 000113 040000 MOV #0000113,40000(R3) ; WRITE JMP (R3)
|
|
484
|
|
485 142522 010204 MOV R2,R4
|
|
486 142524 072427 177772 ASH #-6,R4
|
|
487 142530 042704 177600 BIC #177600,R4
|
|
488 142534 012705 001700 MOV #1700,R5
|
|
489 142540 160405 SUB R4,R5 ; PAR ADDRESS BASE FOR WAIT
|
|
490 142542 010204 MOV R2,R4
|
|
491 142544 072427 177764 ASH #-12.,R4
|
|
492 142550 042704 177761 BIC #177761,R4 ; PAR SELECT OFFSET
|
|
493 142554 010564 172240 MOV R5,172240(R4) ; SUPER I SPACE
|
|
494
|
|
495 142560 010103 MOV R1,R3
|
|
496 142562 072327 177764 ASH #-12.,R3
|
|
497 142566 042703 177761 BIC #177761,R3 ; PAR SELECT OFFSET
|
|
498 142572 020304 CMP R3,R4 ; SAME PAR
|
|
499 142574 001412 BEQ 30$
|
|
500 142576 010104 MOV R1,R4
|
|
501 142600 072427 177772 ASH #-6,R4
|
|
502 142604 042704 177600 BIC #177600,R4
|
|
503 142610 012705 001700 MOV #1700,R5
|
|
504 142614 160405 SUB R4,R5 ; PAR ADDRESS BASE FOR JMP
|
|
505 142616 010563 172240 MOV R5,172240(R3) ; SUPER I SPACE
|
|
506 30$:
|
|
507 142622 012704 000003 MOV #3,R4
|
|
508 142626 063704 177570 ADD @#177570,R4
|
|
509 142632 012703 000002 MOV #2,R3
|
|
510 142636 060703 ADD PC,R3
|
|
511 142640 000112 40$: JMP (R2)
|
|
512 142642 077402 SOB R4,40$
|
|
513 142644 010002 MOV R0,R2
|
|
514 142646 006002 ROR R2 ; ROTATE PATTERN
|
|
515 142650 006101 ROL R1
|
|
516 142652 006000 ROR R0
|
|
517 142654 000702 BR 10$
|
|
518 SUPERE:
|
|
519
|
|
520 BOOT:
|
|
521 142656 005003 CLR R3 ; UNIT
|
|
522 142660 112201 1$: MOVB (R2)+,R1
|
|
523 142662 001545 BEQ BOOTRK ; DEFAULT DEVICE IS RK0
|
|
524 142664 120127 000040 CMPB R1,#40
|
|
525 142670 001773 BEQ 1$
|
|
526 142672 120127 000122 CMPB R1,#'R
|
|
527 142676 001405 BEQ 5$
|
|
528
|
|
529 142700 012700 141175 MOV #BADBOO,R0
|
|
530 142704 004767 140150' JSR PC,PRINT
|
|
531 142710 000207 RTS PC
|
|
532
|
|
533 142712 112201 5$: MOVB (R2)+,R1 ; HOPEFULLY K, L OR P
|
|
534 142714 112200 7$: MOVB (R2)+,R0 ; DIGIT
|
|
535 142716 001416 BEQ 9$
|
|
536 142720 120027 000040 CMPB R0,#40
|
|
537 142724 001413 BEQ 9$
|
|
538 142726 120027 000067 CMPB R0,#'7
|
|
539 142732 003031 BGT 11$
|
|
540 142734 162700 000060 SUB #'0,R0
|
|
541 142740 002426 BLT 11$
|
|
542 142742 006303 ASL R3
|
|
543 142744 006303 ASL R3
|
|
544 142746 006303 ASL R3
|
|
545 142750 050003 BIS R0,R3 ; PUT DIGIT INTO UNIT
|
|
546 142752 000760 BR 7$
|
|
547 142754 005002 9$: CLR R2
|
|
548 142756 012722 000137 MOV #137,(R2)+ ; STORE "JMP @#140000" INSTRUCTION AT ADDRESS 0
|
|
549 142762 012722 140000 MOV #START,(R2)+
|
|
550 142766 012722 140000 MOV #START,(R2)+ ; STORE #140000 IN VECTOR 4, IN CASE OF TRAP TO 4
|
|
551 142772 005022 CLR (R2)+
|
|
552 142774 120127 000113 CMPB R1,#'K
|
|
553 143000 001476 BEQ BOOTRK
|
|
554 143002 120127 000114 CMPB R1,#'L
|
|
555 143006 001410 BEQ BOOTRL
|
|
556 143010 120127 000120 CMPB R1,#'P
|
|
557 143014 001517 BEQ BOOTRP
|
|
558
|
|
559 143016 012700 141114 11$: MOV #UNKMSG,R0
|
|
560 143022 004767 140150' JSR PC,PRINT
|
|
561 143026 000207 RTS PC
|
|
562
|
|
563 174400 RLCS=174400
|
|
564 BOOTRL:
|
|
565 143030 000005 RESET
|
|
566 143032 000303 SWAB R3 ; UNIT NUMBER
|
|
567 143034 012701 174400 MOV #RLCS,R1 ; CSR
|
|
568 143040 012761 000013 000004 MOV #13,4(R1) ; CLR ERR
|
|
569 143046 052703 000004 BIS #4,R3 ; UNIT+GSTAT
|
|
570 143052 010311 MOV R3,(R1) ; ISSUE CMD
|
|
571 143054 105711 TSTB (R1) ; WAIT
|
|
572 143056 100376 BPL .-2
|
|
573 143060 105003 CLRB R3
|
|
574 143062 052703 000010 BIS #10,R3 ; UNIT+RDHDR
|
|
575 143066 010311 MOV R3,(R1) ; ISSUE CMD
|
|
576 143070 105711 TSTB (R1) ; WAIT
|
|
577 143072 100376 BPL .-2
|
|
578 143074 016102 000006 MOV 6(R1),R2 ; GET HDR
|
|
579 143100 042702 000077 BIC #77,R2 ; CLR SECTOR
|
|
580 143104 005202 INC R2 ; MAGIC BIT
|
|
581 143106 010261 000004 MOV R2,4(R1) ; SEEK TO 0
|
|
582 143112 105003 CLRB R3
|
|
583 143114 052703 000006 BIS #6,R3 ; UNIT+SEEK
|
|
584 143120 010311 MOV R3,(R1) ; ISSUE CMD
|
|
585 143122 105711 TSTB (R1) ; WAIT
|
|
586 143124 100376 BPL .-2
|
|
587 143126 005061 000002 CLR 2(R1) ; CLR BA
|
|
588 143132 005061 000004 CLR 4(R1) ; CLR DA
|
|
589 143136 012761 177000 000006 MOV #-512.,6(R1) ; SET WC
|
|
590 143144 105003 CLRB R3
|
|
591 143146 052703 000014 BIS #14,R3 ; UNIT+READ
|
|
592 143152 010311 MOV R3,(R1) ; ISSUE CMD
|
|
593 143154 105711 TSTB (R1) ; WAIT
|
|
594 143156 100376 BPL .-2
|
|
595 143160 042711 000377 BIC #377,(R1)
|
|
596 143164 005002 CLR R2
|
|
597 143166 005003 CLR R3
|
|
598 143170 005004 CLR R4
|
|
599 143172 005005 CLR R5
|
|
600 143174 005007 CLR PC
|
|
601
|
|
602 177412 RKDA=177412
|
|
603 000005 READGO=5
|
|
604 BOOTRK:
|
|
605 143176 000005 RESET
|
|
606 143200 000303 SWAB R3 ; UNIT NUMBER
|
|
607 143202 006303 ASL R3
|
|
608 143204 006303 ASL R3
|
|
609 143206 006303 ASL R3
|
|
610 143210 006303 ASL R3
|
|
611 143212 006303 ASL R3
|
|
612 143214 012701 177412 MOV #RKDA,R1 ; CSR
|
|
613 143220 010311 MOV R3,(R1) ; LOAD DA
|
|
614 143222 005041 CLR -(R1) ; CLEAR BA
|
|
615 143224 012741 177000 MOV #-256.*2,-(R1) ; LOAD WC
|
|
616 143230 012741 000005 MOV #READGO,-(R1) ; READ & GO
|
|
617 143234 005002 CLR R2
|
|
618 143236 005003 CLR R3
|
|
619 143240 005004 CLR R4
|
|
620 143242 005005 CLR R5
|
|
621 143244 105711 TSTB (R1)
|
|
622 143246 100376 BPL .-2
|
|
623 143250 105011 CLRB (R1)
|
|
624 143252 005007 CLR PC
|
|
625
|
|
626 176700 RPCSR=0176700
|
|
627 BOOTRP:
|
|
628 143254 000005 RESET
|
|
629 143256 012701 176700 MOV #RPCSR, R1
|
|
630 143262 012761 000040 000010 MOV #0000040, 10(R1) ; RESET
|
|
631 143270 010361 000010 MOV R3, 10(R1) ; SET UNIT
|
|
632 143274 012711 000021 MOV #0000021, (R1) ; PACK ACK
|
|
633 143300 012761 010000 000032 MOV #0010000, 32(R1) ; 16B MODE
|
|
634 143306 012761 177000 000002 MOV #-512., 2(R1) ; SET WC
|
|
635 143314 005061 000004 CLR 4(R1) ; CLR BA
|
|
636 143320 005061 000006 CLR 6(R1) ; CLR DA
|
|
637 143324 005061 000034 CLR 34(R1) ; CLR CYL
|
|
638 143330 012711 000071 MOV #0000071, (R1) ; READ
|
|
639 143334 105711 TSTB (R1) ; WAIT
|
|
640 143336 100376 BPL .-2
|
|
641 143340 105011 CLRB (R1)
|
|
642 143342 010300 MOV R3,R0
|
|
643 143344 005007 CLR PC
|
|
644
|
|
645 .END START
|
|
645
|