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1 ********************************************************************
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2 * SysGo - OS-9 Level One 2 SysGo
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3 *
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4 * $Id$
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5 *
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6 * Ed. Comments Who YY/MM/DD
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7 * ------------------------------------------------------------------
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201
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8 * 12 From Tandy OS-9 Level One VR 02.00.00
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9 * 13 Incremented version number to reflect Y2K BGP 99/05/11
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10 * fixes
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11
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12 nam SysGo
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13 ttl OS-9 Level One 2 SysGo
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14
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15 ifp1
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16 use defsfile
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17 use scfdefs
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18 endc
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19
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20 tylg set Systm+Objct
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21 atrv set ReEnt+rev
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22 rev set $01
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23 edition set 13
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24
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25 mod eom,name,tylg,atrv,start,size
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26
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27 dataarea rmb 200
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28 size equ .
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29
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30 name fcs /SysGo/
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31 fcb edition
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32
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33 * default OS-9 priority
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34 DefPrior set 128
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35
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36 BootMsg fcc "OS-9 LEVEL ONE VR. 0"
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37 fcb 48+OS9Vrsn
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38 fcc ".0"
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39 fcb 48+OS9Major
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40 fcc ".0"
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41 fcb 48+OS9Minor
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42 fdb C$CR,C$LF
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43 fcc "COPR. 1980 BY MOTOROLA INC. AND"
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44 fdb C$CR,C$LF
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45 fcc "MICROWARE SYSTEMS CORP."
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46 fdb C$CR,C$LF
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47 fcc "LICENSED TO TANDY CORP."
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48 fdb C$CR,C$LF
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49 fcc "ALL RIGHTS RESERVED."
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50 fdb C$CR,C$LF
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51 fcb C$LF
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52 MsgEnd equ *
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53
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54 ChdDev fcc "/H0"
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55 fcb C$CR
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56 ChxDev fcc "/H0/"
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57 ChxPath fcc "Cmds"
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58 fcb C$CR
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59 fcc ",,,,,,,,,,"
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60
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61 Shell fcc "Shell"
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62 fcb C$CR
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63
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64 fcc "TSMON"
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65 fcb C$CR
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66 Startup fcc "STARTUP -P"
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67 fcb C$CR
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68 fcc ",,,,,,,,,,"
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69
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70 * Default time packet
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71 * YY MM DD HH MM SS
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72 TimePckt fcb 85,06,01,00,00,00
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73
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74 BasicRst fcb $55
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75 fcb $00
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76 fcb $74
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76
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77 nop
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78 clr >$FF03
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79 nop
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80 nop
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81 sta >$FFDF
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82 jmp >$EF0E
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0
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83
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84 * SysGo entry point
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85 start leax >IcptRtn,pcr
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86 os9 F$Icpt
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87 leax >BasicRst,pcr
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88 ldu #$0071
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89 ldb #$0F
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90 CopyLoop lda ,x+
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91 sta ,u+
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92 decb
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93 bne CopyLoop
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94
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95 * Print boot message
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96 leax >BootMsg,pcr
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97 ldy #MsgEnd-BootMsg
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98 lda #$01
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99 os9 I$Write
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100 leax >TimePckt,pcr
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101 os9 F$STime
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102 leax >ChxPath,pcr
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103 lda #$04
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104 os9 I$ChgDir
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105 leax >ChdDev,pcr
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106 lda #$03
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107 os9 I$ChgDir
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108 bcs DoStrtup
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109 leax >ChxDev,pcr
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110 lda #$04
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111 os9 I$ChgDir
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112 bcc DoStrtup
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113
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114 * Set priority and do startup file
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115 DoStrtup os9 F$ID
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116 ldb #DefPrior
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117 os9 F$SPrior
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118 leax >Shell,pcr
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119 leau >Startup,pcr
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120 ldd #$0100
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121 ldy #$0015
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122 os9 F$Fork
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123 bcs DeadEnd
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124 os9 F$Wait
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125
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126 FrkShell leax >Shell,pcr
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127 ldd #$0100
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128 ldy #$0000
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129 os9 F$Fork
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130 bcs DeadEnd
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131 os9 F$Wait
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132 bcc FrkShell
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133 DeadEnd bra DeadEnd
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134
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135 * Intercept routine
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136 IcptRtn rti
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137
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138 emod
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139 eom equ *
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140 end
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