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14
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1 ********************************************************************
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2 * SysGo - Kickstart program module
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3 *
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4 * $Id: sysgo.asm,v 1.1.1.1 2001/02/21 23:30:54 boisy Exp $
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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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8
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9 nam Sysgo
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10 ttl Kickstart program module
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11
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12 ifp1
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13 use defsfile
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14 endc
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15
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16 tylg set Prgrm+Objct
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17 atrv set ReEnt+rev
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18 rev set $01
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19 edition set $01
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20
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21 mod eom,name,tylg,atrv,start,size
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30
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22 u0000 rmb 32
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23 u0020 rmb 42
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24 u004A rmb 33
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25 u006B rmb 6
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26 u0071 rmb 655
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14
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27
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28 size equ .
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29
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30 name fcs /Sysgo/
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31 fcb edition
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32
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33 Banner fcc / OS-9 LEVEL TWO VR. 0/
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34 fcb 48+OS9Vrsn
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35 fcc /.0/
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36 fcb 48+OS9Major
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37 fcc /.0/
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38 fcb 48+OS9Minor
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39 fcb C$CR,C$LF
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40 fcc / COPYRIGHT 1988 BY/
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41 fcb C$CR,C$LF
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42 fcc / MICROWARE SYSTEMS CORP./
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43 fcb C$CR,C$LF
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44 fcc / LICENSED TO TANDY CORP./
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45 fcb C$CR,C$LF
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46 fcc / ALL RIGHTS RESERVED./
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47 fcb C$CR,C$LF
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48 fcb C$LF
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49 BannLen equ *-Banner
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50 DefDev fcc "/D0"
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51 fcb C$CR
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52 HDDev fcc "/D0/"
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53 ExecDir fcc "Cmds"
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54 fcb C$CR
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55 fcc ",,,,,"
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56 Shell fcc "Shell"
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57 fcb C$CR
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58 fcc ",,,,,"
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59 ShellPrm fcc "i=/1"
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60 CRtn fcb C$CR
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61 fcc ",,,,,"
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62 ShellPL equ *-ShellPrm
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63
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64
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65 start leax >IcptRtn,pcr
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66 os9 F$Icpt
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67 os9 F$ID
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68 ldb #$80
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69 os9 F$SPrior
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70 leax >Banner,pcr
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71 ldy #BannLen
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72 lda #$01 standard output
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73 os9 I$Write write out banner
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17
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74 * leax >DefTime,pcr
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75 * os9 F$STime set time to default
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14
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76 leax >ExecDir,pcr
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77 lda #EXEC.
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78 os9 I$ChgDir change exec. dir
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79 leax >DefDev,pcr
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80 lda #READ.+WRITE.
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81 os9 I$ChgDir change data dir.
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82 bcs L0125
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83 leax >HDDev,pcr
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84 lda #EXEC.
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85 os9 I$ChgDir change exec. dir to HD
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86 L0125 pshs u,y
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87 os9 F$ID
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88 bcs L01A9
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89 leax ,u
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90 os9 F$GPrDsc
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91 bcs L01A9
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92 leay ,u
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93 ldx #$0000
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94 ldb #$01
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95 os9 F$MapBlk
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96 bcs L01A9
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97 * Copy our default I/O ptrs to the system process
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98 ldd <D.SysPrc,u
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99 leau d,u
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100 leau <P$DIO,u
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101 leay <P$DIO,y
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102 ldb #DefIOSiz-1
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103 L0151 lda b,y
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104 sta b,u
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105 decb
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106 bpl L0151
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107 L0186 puls u,y
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108 leax >ShellPrm,pcr
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109 leay ,u
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110 ldb #ShellPL
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111 L0190 lda ,x+
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112 sta ,y+
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113 decb
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114 bne L0190
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115 * Fork final shell here
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116 leax >Shell,pcr
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117 ldd #$0100
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118 ldy #ShellPL
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119 os9 F$Chain
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120 L01A5 ldb #$06
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121 bra Crash
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122 L01A9 ldb #$04
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123 Crash jmp <D.Crash
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124
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125 IcptRtn rti
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126
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127 emod
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128 eom equ *
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129 end
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