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annotate 3rdparty/booters/boot_scsi.asm @ 68:8ffca4533723

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Merged boot_kenton and boot_tc3 into boot_scsi
author boisy
date Wed, 01 May 2002 12:15:18 +0000
parents
children df43967d6a46
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
68
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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1 ********************************************************************
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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2 * Boot - SCSI Boot module
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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3 *
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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4 * $Id$
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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5 *
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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6 * This module allows booting from a hard drive that uses RGB-DOS
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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7 * and is controlled by a TC^3 or Ken-Ton SCSI controller.
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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8 *
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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9 * It was later modified to handle hard drives with sector sizes
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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10 * larger than 256 bytes, and works on both 256 byte and larger drives,
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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11 * so it should totally replace the old SCSI boot module.
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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12 *
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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13 * Instructions followed by +++ in the comment field were added for this fix.
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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14 *
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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15 * Ed. Comments Who YY/MM/DD
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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16 * ------------------------------------------------------------------
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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17 * 1 Original Roger Krupski distribution version
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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18 * 1b Added code to allow booting from any sector BGP 96/??/??
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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19 * size hard drive
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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20 * Merged Ken-Ton and TC^3 module source BGP 02/05/01
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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21
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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22
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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23 nam Boot
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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24 ttl SCSI Boot module
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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25
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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26 ifp1
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27 use defsfile
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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28 endc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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29
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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30 tylg set Systm+Objct
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31 atrv set ReEnt+rev
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32 rev set 2
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33 edition set 1
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34
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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35 * The default SCSI ID is here
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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36 scsiid equ %00000001
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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37
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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38 * Hard Disk Interface registers for the Ken-ton and RGB HDI
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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39 ifne Kenton
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40 dataport equ $FF74
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41 status equ dataport+1
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42 select equ dataport+2
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43 reset equ dataport+3
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44 endc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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45
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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46 ifne TC3
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47 dataport equ $FF74
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48 status equ dataport+1
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49 select equ dataport+1
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50 endc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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51
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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52 * Status register equates
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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53 req equ $01
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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54 busy equ $02
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55 msg equ $04
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56 cmd equ $08
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57 inout equ $10
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58 ack equ $20
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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59 sel equ $40
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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60 rst equ $80
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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61
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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62 *SCSI common command set
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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63 c$rstr equ 1
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64 c$rdet equ 3
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65 c$rblk equ 8
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66 c$wblk equ 10
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67
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68 * Optional command
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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69 c$ststop equ $1b park head
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70
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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71 * misc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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72 errsta equ 2
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73 bsybit equ 8
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74
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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75 ****************************************************
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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76 bootdrv equ 0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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77 ****************************************************
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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78
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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79 mod eom,name,tylg,atrv,start,size
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80
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81 * Data equates; subroutines must keep data in stack
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82 v$cmd rmb 1
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83 v$addr0 rmb 1
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84 v$addr1 rmb 2
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85 v$blks rmb 1
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86 v$opts rmb 1
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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87 v$error rmb 4
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88
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89 blockloc rmb 2 pointer to memory requested
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90 blockimg rmb 2 duplicate of the above
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91 bootloc rmb 3 sector pointer; not byte pointer
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92 bootsize rmb 2 size in bytes
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93 size equ .
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94
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95 name fcs /Boot/
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96 fcb edition
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97
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98 start clra
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99 ldb #size
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100 clean pshs a
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101 decb
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102 bne clean
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103 tfr s,u get pointer to data area
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104 pshs u save pointer to data area
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105
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106 lda #$d0 forced interrupt; kill floppy activity
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107 sta $FF48 command register
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108 clrb
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109 pause decb
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110 bne pause
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111 lda $FF48 clear controller
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112 clr $FF40 make sure motors are turned off
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113 ifgt Level-1
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114 sta $FFD9 fast clock
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115 endc
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116
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117 * Recalibrate hard drive
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118 lbsr restore
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119
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120 * Request memory for LSN0
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121 ldd #1
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122 os9 F$SRqMem request one page of RAM
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123 bcs error
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124 bsr getpntr
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125
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126 * Get LSN0 into memory
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127 clrb MSB sector
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128 ldx #0 LSW sector
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129 bsr mread
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130 bcs error
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131 ldd bootsize,u
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132 beq error
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133 pshs d
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134
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135 * Return memory
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136 ldd #$100
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137 ldu blockloc,u
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138 os9 F$SRtMem
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139 puls d
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140 ifgt Level-1
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141 os9 F$BtMem
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142 else
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143 os9 F$SRqMem
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144 endc
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145 bcs error
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146 bsr getpntr
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147 std blockimg,u
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148
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149 * Get os9boot into memory
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150 ldd bootsize,u
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151 leas -2,s same as a PSHS D
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152 getboot std ,s
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153 ldb bootloc,u MSB sector location
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154 ldx bootloc+1,u LSW sector location
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155 bsr mread
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156 ldd bootloc+1,u update sector location by one to 24bit word
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157 addd #1
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158 std bootloc+1,u
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159 ldb bootloc,u
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160 adcb #0
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161 stb bootloc,u
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162 inc blockloc,u update memory pointer for upload
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163 ldd ,s update size of file left to read
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164 subd #$100 file read one sector at a time
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165 bhi getboot
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166
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167 leas 4+size,s reset the stack same as PULS U,D
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168 ldd bootsize,u
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169 ldx blockimg,u pointer to start of os9boot in memory
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170 andcc #^Carry clear carry
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171 rts back to os9p1
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172
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diff changeset
173 error leas 2+size,s
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
174 ldb #E$NotRdy drive not ready
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
175 rts
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
176
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
177 getpntr tfr u,d save pointer to requested memory
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
178 ldu 2,s recover pointer to data stack
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
179 std blockloc,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
180 rts
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
181
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
182 mread tstb
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
183 bne read10
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
184 cmpx #0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
185 bne read10
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
186 bsr read10
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
187 bcc readlsn0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
188 rts
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
189
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
190 readlsn0 pshs a,x,y
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
191 ldy blockloc,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
192 lda DD.Bt,y os9boot pointer
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
193 ldx DD.Bt+1,y LSW of 24 bit address
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
194 sta bootloc,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
195 stx bootloc+1,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
196 ldx DD.BSZ,y os9boot size in bytes
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
197 stx bootsize,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
198 clrb
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
199 puls a,x,y,pc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
200
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
201 * Generic read
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
202 read10 lda #c$rblk
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
203 bsr setup
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
204 bra command
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
205
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
206 setup pshs b
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
207 sta v$cmd,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
208 stb v$addr0,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
209 stx v$addr1,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
210 ldb #1
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
211 stb v$blks,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
212 clr v$opts,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
213 puls b,pc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
214
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
215 wakeup ldx #0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
216 wake lda status
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
217 bita #busy+sel
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
218 beq wake1
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
219 leax -1,x
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
220 bne wake
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
221 bra wake4
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
222 wake1 bsr wake3
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
223 lda #scsiid
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
224 sta dataport
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
225 bsr wake3
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
226 sta select
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
227 ldx #0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
228 wake2 lda status
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
229 bita #busy
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
230 bne wake3
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
231 leax -1,x
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
232 bne wake2
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
233 wake4 leas 2,s
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
234 comb
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
235 ldb #E$NotRdy
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
236 wake3 rts
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
237
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
238 command bsr wakeup
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
239 leax v$cmd,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
240 bsr send
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
241 bsr waitrq
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
242 bita #cmd
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
243 bne getsta
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
244 ldx blockloc,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
245 bsr read
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
246 getsta bsr instat
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
247 bita #bsybit
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
248 bne command
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
249 bita #errsta
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
250 beq done
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
251 comb
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
252 done rts
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
253
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
254 send bsr waitrq
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
255 bita #cmd
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
256 beq done
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
257 bita #inout
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
258 bne done
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
259 lda ,x+
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
260 sta dataport
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
261 bra send
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
262
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
263 waitrq pshs b,x
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
264 wait10 lda status
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
265 bita #req
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
266 beq wait10
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
267 puls b,x,pc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
268
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
269 * Patch to allow booting from sector sizes > 256 bytes - BGP 08/16/97
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
270 * We ignore any bytes beyond byte 256, but continue to read them from
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
271 * the dataport until the CMD bit is set.
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
272 read
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
273 * next 2 lines added
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
274 clrb +++ use B as counter
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
275 read2
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
276 bsr waitrq
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
277 bita #cmd
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
278 bne done
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
279 lda dataport
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
280 sta ,x+
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
281 * next line commented out and next 8 lines added
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
282 * bra read
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
283 incb +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
284 bne read2 +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
285 read3
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
286 bsr waitrq +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
287 bita #cmd +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
288 bne done +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
289 lda dataport +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
290 bra read3 +++
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
291
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
292 instat bsr waitrq
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
293 lda dataport
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
294 anda #%00001111
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
295 pshs a
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
296 bsr waitrq
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
297 clra
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
298 sta dataport
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
299 puls a,pc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
300
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
301 restore lda #c$rstr
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
302 clrb
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
303 ldx #0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
304 lbsr setup
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
305 clr v$blks,u
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
306 bra command
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
307
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
308 ifgt Level-1
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
309 * Fillers to get to $1D0
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
310 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
311 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
312 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
313 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
314 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
315 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
316 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
317 fcc /9999999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
318 fcc /99999999/
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
319 endc
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
320
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
321 emod
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
322 eom equ *
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
boisy
parents:
diff changeset
323 end
8ffca4533723 Merged boot_kenton and boot_tc3 into boot_scsi
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parents:
diff changeset
324