2017-08-26 22:37:54 +00:00
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1 ********************************
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2 *
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3 * Apple][Sd Firmware
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4 * Version 0.6
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5 *
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6 * (c) Florian Reitz, 2017
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7 *
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8 * X register usually contains SLOT16
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9 * Y register is used for counting or SLOT
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10 *
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11 ********************************
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12
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27-AUG-17 0:31
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14
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15 XC ; enable 65C02 code
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16 DEBUG = 0
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17 DO DEBUG
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18 ORG $8000
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19 ELSE
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20 ORG $C800 ; Expansion ROM
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21 FIN
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22
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23 * Memory defines
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24
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25 SLOT16 = $2B ; $s0 -> slot * 16
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26 WORK = $3C
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27 SLOT = $3D ; $0s
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28 CMDLO = $40
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29 CMDHI = $41
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30
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31 CURSLOT = $07F8 ; $Cs
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32 DATA = $C080
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33 CTRL = DATA+1
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34 DIV = DATA+2
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35 SS = DATA+3
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36 R30 = $0478
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37 R31 = $04F8
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38 R32 = $0578
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39 R33 = $05F8
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40 INITED = $0678
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41
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42 * Constants
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43
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44 SSNONE = $0F
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45 SS0 = $0E
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46 DUMMY = $FF
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47 FRXEN = $17
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48 FRXDIS = $07
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49
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50
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51 * signature bytes
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52
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C800: A2 20 53 LDX #$20
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C802: A0 00 54 LDY #$00
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C804: A2 03 55 LDX #$03
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C806: 86 3C 56 STX WORK
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57
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58 * find slot nr
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59
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===== Page 2 =====
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60 DO DEBUG
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61 LDA #$04
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62 STA SLOT
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63 LDA #$C4
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64 STA CURSLOT
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65 LDA #$40
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66 STA SLOT16
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67 ELSE
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C808: 20 58 FF 68 JSR $FF58
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C80B: BA 69 TSX
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C80C: BD 00 01 70 LDA $0100,X
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C80F: 29 0F 71 AND #$0F
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C811: 85 3D 72 STA SLOT ; $0s
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C813: 09 C0 73 ORA #$C0
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C815: 8D F8 07 74 STA CURSLOT ; $Cs
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C818: 0A 75 ASL A
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C819: 0A 76 ASL A
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C81A: 0A 77 ASL A
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C81B: 0A 78 ASL A
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C81C: 85 2B 79 STA SLOT16 ; $s0
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80 FIN
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C81E: AA 81 TAX ; X holds now SLOT16
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82
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C81F: 2C FF CF 83 BIT $CFFF
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C822: 20 00 C9 84 JSR INIT
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85
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86 *
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87 * TODO: check for init error
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88 *
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89
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90 ********************************
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91 *
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92 * Install SD card driver
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93 *
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94 ********************************
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95
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96 DO DEBUG
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97
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98 * see if slot has a driver already
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99
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100 LDX $BF31 ; get devcnt
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101 INSTALL LDA $BF32,X ; get a devnum
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102 AND #$70 ; isolate slot
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103 CMP SLOT16 ; slot?
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104 BEQ :INSOUT ; yes, skip it
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105 DEX
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106 BPL INSTALL ; keep up the search
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107
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108 * restore the devnum to the list
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109
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110 LDX $BF31 ; get devcnt again
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111 CPX #$0D ; device table full?
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112 BNE :INST2
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113
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114 JSR $FF3A ; bell
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115 JMP :INSOUT ; do something!
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116
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===== Page 3 =====
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117 :INST2 LDA $BF32-1,X ; move all entries down
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118 STA $BF32,X ; to make room at front
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119 DEX ; for a new entry
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120 BNE :INST2
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121 LDA #$04 ; ProFile type device
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122 ORA SLOT16
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123 STA $BF32 ; slot, drive 1 at top of list
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124 INC $BF31 ; update devcnt
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125
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126 * now insert the device driver vector
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127
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128 LDA SLOT
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129 ASL
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130 TAX
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131 LDA #<DRIVER
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132 STA $BF10,X ; write to driver table
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133 LDA #>DRIVER
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134 STA $BF11,X
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135 :INSOUT RTS
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136
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137
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138 ********************************
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139 *
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140 * Boot from SD card
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141 *
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142 ********************************
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143
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144 ELSE
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145
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C825: A9 01 146 BOOT LDA #$01
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C827: 85 42 147 STA $42 ; load command
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C829: A5 2B 148 LDA SLOT16
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C82B: AA 149 TAX
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C82C: 85 43 150 STA $43 ; slot number
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C82E: 64 44 151 STZ $44 ; buffer lo
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C830: A9 08 152 LDA #$08
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C832: 85 45 153 STA $45 ; buffer hi
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C834: 64 46 154 STZ $46 ; block lo
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C836: 64 47 155 STZ $47 ; block hi
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C838: 2C FF CF 156 BIT $CFFF
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C83B: 20 9E CA 157 JSR READ ; call driver
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C83E: 4C 01 08 158 JMP $801 ; goto bootloader
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159
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160 FIN
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161
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162
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163 ********************************
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164 *
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165 * Jump table
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166 *
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167 ********************************
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168
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C841: D8 169 DRIVER CLD
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170 DO DEBUG
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171 LDA #$04
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172 STA SLOT
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173 LDA #$C4
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===== Page 4 =====
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174 STA CURSLOT
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175 LDA #$40
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176 STA SLOT16
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177 ELSE
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C842: 20 58 FF 178 JSR $FF58 ; find slot nr
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C845: BA 179 TSX
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C846: BD 00 01 180 LDA $0100,X
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C849: 29 0F 181 AND #$0F
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C84B: 85 3D 182 STA SLOT ; $0s
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C84D: 09 C0 183 ORA #$C0
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C84F: 8D F8 07 184 STA CURSLOT ; $Cs
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C852: 0A 185 ASL A
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C853: 0A 186 ASL A
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C854: 0A 187 ASL A
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C855: 0A 188 ASL A
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C856: 85 2B 189 STA SLOT16 ; $s0
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190 FIN
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C858: AA 191 TAX ; X holds now SLOT16
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192
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C859: 2C FF CF 193 BIT $CFFF
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C85C: A4 3D 194 LDY SLOT
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C85E: B9 78 06 195 LDA INITED,Y ; check for init
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C861: C9 01 196 CMP #$01
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C863: 90 22 197 BCC :INIT
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C865: A5 42 198 :CMD LDA $42 ; get command
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C867: C9 00 199 CMP #$00
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C869: F0 10 200 BEQ :STATUS
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C86B: C9 01 201 CMP #$01
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C86D: F0 0F 202 BEQ :READ
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C86F: C9 02 203 CMP #$02
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C871: F0 0E 204 BEQ :WRITE
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C873: C9 03 205 CMP #$03
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C875: F0 0D 206 BEQ :FORMAT
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C877: 38 207 SEC ; unknown command
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C878: A9 01 208 LDA #$01
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C87A: 60 209 RTS
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210
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C87B: 4C 96 CA 211 :STATUS JMP STATUS
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C87E: 4C 9E CA 212 :READ JMP READ
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C881: 4C F7 CA 213 :WRITE JMP WRITE
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C884: 4C 64 CB 214 :FORMAT JMP FORMAT
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C887: 20 00 C9 215 :INIT JSR INIT
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C88A: 80 D9 216 BRA :CMD
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217
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218
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219 * Signature bytes
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220
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C88C: 00 00 00 221 DS \ ; fill with zeroes
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C88F: 00 00 00 00
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C893: 00 00 00 00
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C897: 00 00 00 00
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C89B: 00 00 00 00
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C89F: 00 00 00 00
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C8A3: 00 00 00 00
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C8A7: 00 00 00 00
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C8AB: 00 00 00 00
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C8AF: 00 00 00 00
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===== Page 5 =====
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C8B3: 00 00 00 00
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C8B7: 00 00 00 00
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C8BB: 00 00 00 00
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C8BF: 00 00 00 00
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C8C3: 00 00 00 00
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C8C7: 00 00 00 00
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C8CB: 00 00 00 00
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C8CF: 00 00 00 00
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C8D3: 00 00 00 00
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C8D7: 00 00 00 00
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C8DB: 00 00 00 00
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C8DF: 00 00 00 00
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C8E3: 00 00 00 00
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C8E7: 00 00 00 00
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C8EB: 00 00 00 00
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C8EF: 00 00 00 00
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C8F3: 00 00 00 00
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C8F7: 00 00 00 00
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C8FB: 00 00 00 00
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C8FF: 00
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222 DS -4 ; locate to $xxFC
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C8FC: FF FF 223 DW $FFFF ; 65535 blocks
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C8FE: 47 224 DB $47 ; Status bits
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C8FF: 41 225 DB #<DRIVER ; LSB of driver
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226
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227
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228 ********************************
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229 *
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230 * Initialize SD card
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231 *
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232 * C Clear - No error
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233 * Set - Error
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234 * A $00 - No error
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235 * $27 - I/O error - Init failed
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236 * $28 - No card inserted
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237 *
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238 ********************************
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239
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C900: D8 240 INIT CLD
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C901: A9 03 241 LDA #$03 ; set SPI mode 3
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C903: 9D 81 C0 242 STA CTRL,X
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C906: A9 0F 243 LDA #SSNONE
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C908: 9D 83 C0 244 STA SS,X
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C90B: A9 07 245 LDA #7
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C90D: 9D 82 C0 246 STA DIV,X
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C910: A0 0A 247 LDY #10
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C912: A9 FF 248 LDA #DUMMY
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249
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C914: 9D 80 C0 250 :LOOP STA DATA,X
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C917: 3C 81 C0 251 :WAIT BIT CTRL,X
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C91A: 10 FB 252 BPL :WAIT
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C91C: 88 253 DEY
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C91D: D0 F5 254 BNE :LOOP ; do 10 times
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C91F: A9 0E 255 LDA #SS0 ; set CS low
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C921: 9D 83 C0 256 STA SS,X
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257
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C924: A9 68 258 LDA #<CMD0 ; send CMD0
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===== Page 6 =====
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C926: 85 40 259 STA CMDLO
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C928: A9 CB 260 LDA #>CMD0
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C92A: 85 41 261 STA CMDHI
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C92C: 20 E3 C9 262 JSR CMD
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C92F: 20 F7 C9 263 JSR GETR1 ; get response
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C932: C9 01 264 CMP #$01
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C934: D0 39 265 BNE :ERROR1 ; error!
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266
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C936: A9 74 267 LDA #<CMD8 ; send CMD8
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C938: 85 40 268 STA CMDLO
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C93A: A9 CB 269 LDA #>CMD8
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C93C: 85 41 270 STA CMDHI
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C93E: 20 E3 C9 271 JSR CMD
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C941: 20 12 CA 272 JSR GETR3
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C944: C9 01 273 CMP #$01
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C946: D0 2A 274 BNE :SDV1 ; may be SD Ver. 1
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275
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276 * check for $01aa match!
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C948: A9 80 277 :SDV2 LDA #<CMD55
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C94A: 85 40 278 STA CMDLO
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C94C: A9 CB 279 LDA #>CMD55
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C94E: 85 41 280 STA CMDHI
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C950: 20 E3 C9 281 JSR CMD
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C953: 20 F7 C9 282 JSR GETR1
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C956: A9 86 283 LDA #<ACMD4140
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C958: 85 40 284 STA CMDLO
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C95A: A9 CB 285 LDA #>ACMD4140
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C95C: 85 41 286 STA CMDHI
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C95E: 20 E3 C9 287 JSR CMD
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C961: 20 F7 C9 288 JSR GETR1
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C964: C9 01 289 CMP #$01
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C966: F0 E0 290 BEQ :SDV2 ; wait for ready
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C968: C9 00 291 CMP #$00
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C96A: D0 03 292 BNE :ERROR1 ; error!
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293 * send CMD58
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294 * SD Ver. 2 initialized!
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C96C: 4C AC C9 295 JMP :BLOCKSZ
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296
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C96F: 4C CF C9 297 :ERROR1 JMP :IOERROR ; needed for far jump
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298
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C972: A9 80 299 :SDV1 LDA #<CMD55
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C974: 85 40 300 STA CMDLO
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C976: A9 CB 301 LDA #>CMD55
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C978: 85 41 302 STA CMDHI
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C97A: 20 E3 C9 303 JSR CMD ; ignore response
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C97D: A9 8C 304 LDA #<ACMD410
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C97F: 85 40 305 STA CMDLO
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C981: A9 CB 306 LDA #>ACMD410
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C983: 85 41 307 STA CMDHI
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C985: 20 E3 C9 308 JSR CMD
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C988: 20 F7 C9 309 JSR GETR1
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C98B: C9 01 310 CMP #$01
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C98D: F0 E3 311 BEQ :SDV1 ; wait for ready
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C98F: C9 00 312 CMP #$00
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C991: D0 03 313 BNE :MMC ; may be MMC card
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314 * SD Ver. 1 initialized!
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C993: 4C AC C9 315 JMP :BLOCKSZ
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===== Page 7 =====
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316
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C996: A9 6E 317 :MMC LDA #<CMD1
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C998: 85 40 318 STA CMDLO
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C99A: A9 CB 319 LDA #>CMD1
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C99C: 85 41 320 STA CMDHI
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C99E: 20 E3 C9 321 :LOOP1 JSR CMD
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C9A1: 20 F7 C9 322 JSR GETR1
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C9A4: C9 01 323 CMP #$01
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C9A6: F0 F6 324 BEQ :LOOP1 ; wait for ready
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C9A8: C9 00 325 CMP #$00
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C9AA: D0 23 326 BNE :IOERROR ; error!
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327 * MMC Ver. 3 initialized!
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328
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C9AC: A9 7A 329 :BLOCKSZ LDA #<CMD16
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C9AE: 85 40 330 STA CMDLO
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C9B0: A9 CB 331 LDA #>CMD16
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C9B2: 85 41 332 STA CMDHI
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C9B4: 20 E3 C9 333 JSR CMD
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C9B7: 20 F7 C9 334 JSR GETR1
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C9BA: C9 00 335 CMP #$00
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C9BC: D0 11 336 BNE :IOERROR ; error!
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337
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C9BE: A4 3D 338 :END LDY SLOT
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C9C0: A9 01 339 LDA #$01
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C9C2: 99 78 06 340 STA INITED,Y ; initialized
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C9C5: 18 341 CLC ; all ok
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C9C6: A0 00 342 LDY #0
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C9C8: 90 08 343 BCC :END1
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C9CA: 38 344 :CDERROR SEC
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C9CB: A0 28 345 LDY #$28 ; no card error
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C9CD: B0 03 346 BCS :END1
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C9CF: 38 347 :IOERROR SEC
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C9D0: A0 27 348 LDY #$27 ; init error
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C9D2: A9 0F 349 :END1 LDA #SSNONE ; deselect card
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C9D4: 9D 83 C0 350 STA SS,X
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C9D7: A9 07 351 LDA #7 ; enable 7MHz
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C9D9: 9D 81 C0 352 STA CTRL,X
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C9DC: A9 00 353 LDA #0 ; set div to 2
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C9DE: 9D 82 C0 354 STA DIV,X
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C9E1: 98 355 TYA ; retval in A
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C9E2: 60 356 RTS
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357
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358
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359 ********************************
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360 *
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361 * Send SD command
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362 * Call with command in CMDHI and CMDLO
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363 *
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364 ********************************
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365
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C9E3: 5A 366 CMD PHY
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C9E4: A0 00 367 LDY #0
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C9E6: B1 40 368 :LOOP LDA (CMDLO),Y
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C9E8: 9D 80 C0 369 STA DATA,X
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C9EB: 3C 81 C0 370 :WAIT BIT CTRL,X ; TC is in N
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C9EE: 10 FB 371 BPL :WAIT
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C9F0: C8 372 INY
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===== Page 8 =====
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C9F1: C0 06 373 CPY #6
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C9F3: 90 F1 374 BCC :LOOP
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C9F5: 7A 375 PLY
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C9F6: 60 376 RTS
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377
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378
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379 ********************************
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380 *
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381 * Get R1
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382 * R1 is in A
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383 *
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384 ********************************
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385
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C9F7: A9 FF 386 GETR1 LDA #DUMMY
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C9F9: 9D 80 C0 387 STA DATA,X
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C9FC: 3C 81 C0 388 :WAIT BIT CTRL,X
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C9FF: 10 FB 389 BPL :WAIT
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CA01: BD 80 C0 390 LDA DATA,X ; get response
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CA04: 85 3C 391 STA WORK ; save R1
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CA06: 29 80 392 AND #$80
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CA08: D0 ED 393 BNE GETR1 ; wait for MSB=0
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CA0A: A9 FF 394 LDA #DUMMY
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CA0C: 9D 80 C0 395 STA DATA,X ; send another dummy
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CA0F: A5 3C 396 LDA WORK ; restore R1
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CA11: 60 397 RTS
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398
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399
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400 ********************************
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401 *
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402 * Get R3
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403 * R1 is in A
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404 * R3 is in scratchpad ram
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405 *
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406 ********************************
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407
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CA12: 20 F7 C9 408 GETR3 JSR GETR1 ; get R1 first
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CA15: 48 409 PHA ; save R1
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CA16: 5A 410 PHY ; save Y
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CA17: A0 04 411 LDY #04 ; load counter
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CA19: A9 FF 412 :LOOP LDA #DUMMY ; send dummy
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CA1B: 9D 80 C0 413 STA DATA,X
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CA1E: 3C 81 C0 414 :WAIT BIT CTRL,X
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CA21: 10 FB 415 BPL :WAIT
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CA23: BD 80 C0 416 LDA DATA,X
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CA26: 48 417 PHA
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CA27: 88 418 DEY
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CA28: D0 EF 419 BNE :LOOP ; do 4 times
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CA2A: A4 3D 420 LDY SLOT
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CA2C: 68 421 PLA
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CA2D: 99 F8 05 422 STA R33,Y ; save R3
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CA30: 68 423 PLA
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CA31: 99 78 05 424 STA R32,Y
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CA34: 68 425 PLA
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CA35: 99 F8 04 426 STA R31,Y
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CA38: 68 427 PLA
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CA39: 99 78 04 428 STA R30,Y
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CA3C: 7A 429 PLY ; restore Y
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===== Page 9 =====
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CA3D: A9 FF 430 LDA #DUMMY
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CA3F: 9D 80 C0 431 STA DATA,X ; send another dummy
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CA42: 68 432 PLA ; restore R1
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CA43: 60 433 RTS
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434
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435
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436 ********************************
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437 *
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438 * Calculate block address
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439 * Block no is in $46-47
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440 * Address is in R30-R33
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441 *
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442 ********************************
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443
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CA44: DA 444 BLOCK PHX ; save X
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CA45: 5A 445 PHY ; save Y
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CA46: A6 3D 446 LDX SLOT
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CA48: A5 46 447 LDA $46 ; store block num
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CA4A: 9D F8 05 448 STA R33,X ; in R30-R33
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CA4D: A5 47 449 LDA $47
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CA4F: 9D 78 05 450 STA R32,X
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CA52: A9 00 451 LDA #0
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CA54: 9D F8 04 452 STA R31,X
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CA57: 9D 78 04 453 STA R30,X
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454
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CA5A: A0 09 455 LDY #9 ; ASL can't be used with Y
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CA5C: 1E F8 05 456 :LOOP ASL R33,X ; mul block num
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CA5F: 3E 78 05 457 ROL R32,X ; by 512 to get
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CA62: 3E F8 04 458 ROL R31,X ; real address
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CA65: 3E 78 04 459 ROL R30,X
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CA68: 88 460 DEY
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CA69: D0 F1 461 BNE :LOOP
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CA6B: 7A 462 PLY ; restore Y
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CA6C: FA 463 PLX ; restore X
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CA6D: 60 464 RTS
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465
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466
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467 ********************************
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468 *
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469 * Send SD command
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470 * Cmd is in A
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471 *
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472 ********************************
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473
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CA6E: 5A 474 COMMAND PHY ; save Y
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CA6F: A4 3D 475 LDY SLOT
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CA71: 9D 80 C0 476 STA DATA,X ; send command
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CA74: B9 78 04 477 LDA R30,Y ; get arg from R30 on
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CA77: 9D 80 C0 478 STA DATA,X
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CA7A: B9 F8 04 479 LDA R31,Y
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CA7D: 9D 80 C0 480 STA DATA,X
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CA80: B9 78 05 481 LDA R32,Y
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CA83: 9D 80 C0 482 STA DATA,X
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CA86: B9 F8 05 483 LDA R33,Y
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CA89: 9D 80 C0 484 STA DATA,X
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CA8C: A9 FF 485 LDA #DUMMY
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CA8E: 9D 80 C0 486 STA DATA,X ; dummy crc
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===== Page 10 =====
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CA91: 20 F7 C9 487 JSR GETR1
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CA94: 7A 488 PLY ; restore Y
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CA95: 60 489 RTS
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490
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491
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492 ********************************
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493 *
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494 * Status request
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495 * $43 Unit number DSSS000
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496 * $44-45 Unused
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497 * $46-47 Unused
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498 *
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499 * C Clear - No error
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500 * Set - Error
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501 * A $00 - No error
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502 * $27 - I/O error
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503 * $28 - No card inserted / no init
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504 * $2B - Card write protected
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505 * x - Blocks avail (low byte)
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506 * y - Blocks avail (high byte)
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507 *
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508 ********************************
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509
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CA96: 18 510 STATUS CLC ; no error
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CA97: A9 00 511 LDA #0
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CA99: A2 FF 512 LDX #$FF ; 32 MB partition
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CA9B: A0 FF 513 LDY #$FF
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CA9D: 60 514 RTS
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515
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516 * TODO: check for card detect and write protect!
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517
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518
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519 ********************************
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520 *
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521 * Read 512 byte block
|
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522 * $43 Unit number DSSS0000
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523 * $44-45 Address (LO/HI) of buffer
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524 * $46-47 Block number (LO/HI)
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525 *
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526 * C Clear - No error
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527 * Set - Error
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528 * A $00 - No error
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529 * $27 - Bad block number
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530 * $28 - No card inserted
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531 *
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532 ********************************
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533
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534 * TODO: check for card detect!
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535
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CA9E: 20 44 CA 536 READ JSR BLOCK ; calc block address
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537
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CAA1: A9 0E 538 LDA #SS0 ; enable /CS
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CAA3: 9D 83 C0 539 STA SS,X
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CAA6: A9 51 540 LDA #$51 ; send CMD17
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CAA8: 20 6E CA 541 JSR COMMAND ; send command
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542
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CAAB: C9 00 543 CMP #0 ; check for error
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===== Page 11 =====
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CAAD: D0 3F 544 BNE :ERROR
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545
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CAAF: A9 FF 546 :GETTOK LDA #DUMMY ; get data token
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CAB1: 9D 80 C0 547 STA DATA,X
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CAB4: BD 80 C0 548 LDA DATA,X ; get response
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CAB7: C9 FE 549 CMP #$FE
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CAB9: D0 F4 550 BNE :GETTOK ; wait for $FE
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551
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CABB: A0 02 552 LDY #2 ; read data from card
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CABD: A9 17 553 LDA #FRXEN ; enable FRX
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CABF: 9D 81 C0 554 STA CTRL,X
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CAC2: A9 FF 555 LDA #DUMMY
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CAC4: 9D 80 C0 556 STA DATA,X
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CAC7: 64 3C 557 :LOOPY STZ WORK
|
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CAC9: BD 80 C0 558 :LOOPW LDA DATA,X
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CACC: 92 44 559 STA ($44)
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CACE: E6 44 560 INC $44
|
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CAD0: D0 02 561 BNE :INW
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CAD2: E6 45 562 INC $45 ; inc msb on page boundary
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CAD4: E6 3C 563 :INW INC WORK
|
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CAD6: D0 F1 564 BNE :LOOPW
|
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CAD8: 88 565 DEY
|
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CAD9: D0 EC 566 BNE :LOOPY
|
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567
|
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CADB: A9 07 568 LDA #FRXDIS ; disable FRX
|
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CADD: 9D 81 C0 569 STA CTRL,X
|
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|
570
|
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|
CAE0: A9 FF 571 :CRC LDA #DUMMY ; first crc byte has
|
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|
|
|
CAE2: 9D 80 C0 572 STA DATA,X ; already been read
|
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|
573
|
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|
|
CAE5: A9 0F 574 LDA #SSNONE
|
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|
CAE7: 9D 83 C0 575 STA SS,X ; disable /CS
|
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CAEA: 18 576 CLC ; no error
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CAEB: A9 00 577 LDA #$00
|
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CAED: 60 578 RTS
|
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579
|
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CAEE: A9 0F 580 :ERROR LDA #SSNONE
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CAF0: 9D 83 C0 581 STA SS,X ; disable /CS
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CAF3: 38 582 SEC ; an error occured
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CAF4: A9 27 583 LDA #$27
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CAF6: 60 584 RTS
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585
|
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586
|
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|
587 ********************************
|
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|
|
588 *
|
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|
|
589 * Write 512 byte block
|
|
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|
|
|
590 * $43 Unit number DSSS000
|
|
|
|
|
|
591 * $44-45 Address (LO/HI) of buffer
|
|
|
|
|
|
592 * $46-47 Block number (LO/HI)
|
|
|
|
|
|
593 *
|
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|
594 * C Clear - No error
|
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|
595 * Set - Error
|
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|
596 * A $00 - No error
|
|
|
|
|
|
597 * $27 - I/O error or bad block number
|
|
|
|
|
|
598 * $28 - No card inserted
|
|
|
|
|
|
599 * $2B - Card write protected
|
|
|
|
|
|
600 *
|
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|
|
|
|
===== Page 12 =====
|
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|
|
|
|
601 ********************************
|
|
|
|
|
|
602
|
|
|
|
|
|
603 * TODO: check for card detect and write protect!
|
|
|
|
|
|
604
|
|
|
|
|
|
CAF7: 20 44 CA 605 WRITE JSR BLOCK ; calc block address
|
|
|
|
|
|
606
|
|
|
|
|
|
CAFA: A9 0E 607 LDA #SS0 ; enable /CS
|
|
|
|
|
|
CAFC: 9D 83 C0 608 STA SS,X
|
|
|
|
|
|
CAFF: A9 58 609 LDA #$58 ; send CMD24
|
|
|
|
|
|
CB01: 20 6E CA 610 JSR COMMAND ; send command
|
|
|
|
|
|
611
|
|
|
|
|
|
CB04: C9 00 612 CMP #0 ; check for error
|
|
|
|
|
|
CB06: D0 47 613 BNE :ERROR
|
|
|
|
|
|
614
|
|
|
|
|
|
CB08: A9 FF 615 LDA #DUMMY
|
|
|
|
|
|
CB0A: 9D 80 C0 616 STA DATA,X ; send dummy
|
|
|
|
|
|
CB0D: A9 FE 617 LDA #$FE
|
|
|
|
|
|
CB0F: 9D 80 C0 618 STA DATA,X ; send data token
|
|
|
|
|
|
619
|
|
|
|
|
|
CB12: A0 02 620 LDY #2 ; send data to card
|
|
|
|
|
|
CB14: 64 3C 621 :LOOPY STZ WORK
|
|
|
|
|
|
CB16: B2 44 622 :LOOPW LDA ($44)
|
|
|
|
|
|
CB18: 9D 80 C0 623 STA DATA,X
|
|
|
|
|
|
CB1B: E6 44 624 INC $44
|
|
|
|
|
|
CB1D: D0 02 625 BNE :INW
|
|
|
|
|
|
CB1F: E6 45 626 INC $45 ; inc msb on page boundary
|
|
|
|
|
|
CB21: E6 3C 627 :INW INC WORK
|
|
|
|
|
|
CB23: D0 F1 628 BNE :LOOPW
|
|
|
|
|
|
CB25: 88 629 DEY
|
|
|
|
|
|
CB26: D0 EC 630 BNE :LOOPY
|
|
|
|
|
|
631
|
|
|
|
|
|
CB28: 9D 80 C0 632 :CRC STA DATA,X ; send 2 dummy crc bytes
|
|
|
|
|
|
CB2B: 9D 80 C0 633 STA DATA,X
|
|
|
|
|
|
634
|
|
|
|
|
|
CB2E: 9D 80 C0 635 STA DATA,X ; get data response
|
|
|
|
|
|
CB31: BD 80 C0 636 LDA DATA,X
|
|
|
|
|
|
CB34: 29 1F 637 AND #$1F
|
|
|
|
|
|
CB36: C9 05 638 CMP #$05
|
|
|
|
|
|
CB38: D0 15 639 BNE :ERROR ; check for write error
|
|
|
|
|
|
640
|
|
|
|
|
|
CB3A: A9 FF 641 :WAIT6 LDA #DUMMY
|
|
|
|
|
|
CB3C: 9D 80 C0 642 STA DATA,X ; wait for write cycle
|
|
|
|
|
|
CB3F: BD 80 C0 643 LDA DATA,X ; to complete
|
|
|
|
|
|
CB42: C9 00 644 CMP #$00
|
|
|
|
|
|
CB44: F0 F4 645 BEQ :WAIT6
|
|
|
|
|
|
646
|
|
|
|
|
|
CB46: A9 0F 647 LDA #SSNONE ; disable /CS
|
|
|
|
|
|
CB48: 9D 83 C0 648 STA SS,X
|
|
|
|
|
|
CB4B: 18 649 CLC ; no error
|
|
|
|
|
|
CB4C: A9 00 650 LDA #0
|
|
|
|
|
|
CB4E: 60 651 RTS
|
|
|
|
|
|
652
|
|
|
|
|
|
CB4F: A9 FF 653 :ERROR LDA #DUMMY
|
|
|
|
|
|
CB51: 9D 80 C0 654 STA DATA,X ; wait for write cycle
|
|
|
|
|
|
CB54: BD 80 C0 655 LDA DATA,X ; to complete
|
|
|
|
|
|
CB57: C9 00 656 CMP #$00
|
|
|
|
|
|
CB59: F0 F4 657 BEQ :ERROR
|
|
|
|
|
|
===== Page 13 =====
|
|
|
|
|
|
|
|
|
|
|
|
658
|
|
|
|
|
|
CB5B: A9 0F 659 LDA #SSNONE
|
|
|
|
|
|
CB5D: 9D 83 C0 660 STA SS,X ; disable /CS
|
|
|
|
|
|
CB60: 38 661 SEC ; an error occured
|
|
|
|
|
|
CB61: A9 27 662 LDA #$27
|
|
|
|
|
|
CB63: 60 663 RTS
|
|
|
|
|
|
664
|
|
|
|
|
|
665
|
|
|
|
|
|
666 ********************************
|
|
|
|
|
|
667 *
|
|
|
|
|
|
668 * Format
|
|
|
|
|
|
669 * not supported!
|
|
|
|
|
|
670 *
|
|
|
|
|
|
671 ********************************
|
|
|
|
|
|
672
|
|
|
|
|
|
CB64: 38 673 FORMAT SEC
|
|
|
|
|
|
CB65: A9 01 674 LDA #$01 ; invalid command
|
|
|
|
|
|
CB67: 60 675 RTS
|
|
|
|
|
|
676
|
|
|
|
|
|
677
|
|
|
|
|
|
CB68: 40 00 00 678 CMD0 HEX 400000
|
|
|
|
|
|
CB6B: 00 00 95 679 HEX 000095
|
|
|
|
|
|
CB6E: 41 00 00 680 CMD1 HEX 410000
|
|
|
|
|
|
CB71: 00 00 F9 681 HEX 0000F9
|
|
|
|
|
|
CB74: 48 00 00 682 CMD8 HEX 480000
|
|
|
|
|
|
CB77: 01 AA 87 683 HEX 01AA87
|
|
|
|
|
|
CB7A: 50 00 00 684 CMD16 HEX 500000
|
|
|
|
|
|
CB7D: 02 00 FF 685 HEX 0200FF
|
|
|
|
|
|
CB80: 77 00 00 686 CMD55 HEX 770000
|
|
|
|
|
|
CB83: 00 00 65 687 HEX 000065
|
|
|
|
|
|
CB86: 69 40 00 688 ACMD4140 HEX 694000
|
|
|
|
|
|
CB89: 00 00 77 689 HEX 000077
|
|
|
|
|
|
CB8C: 69 00 00 690 ACMD410 HEX 690000
|
|
|
|
|
|
CB8F: 00 00 FF 691 HEX 0000FF
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
--End assembly, 914 bytes, Errors: 0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Symbol table - alphabetical order:
|
|
|
|
|
|
|
|
|
|
|
|
ACMD410 =$CB8C ACMD4140=$CB86 BLOCK =$CA44 ? BOOT =$C825
|
|
|
|
|
|
CMD =$C9E3 CMD0 =$CB68 CMD1 =$CB6E CMD16 =$CB7A
|
|
|
|
|
|
CMD55 =$CB80 CMD8 =$CB74 CMDHI =$41 CMDLO =$40
|
|
|
|
|
|
COMMAND =$CA6E CTRL =$C081 CURSLOT =$07F8 DATA =$C080
|
|
|
|
|
|
DEBUG =$00 DIV =$C082 DRIVER =$C841 DUMMY =$FF
|
|
|
|
|
|
FORMAT =$CB64 FRXDIS =$07 FRXEN =$17 GETR1 =$C9F7
|
|
|
|
|
|
GETR3 =$CA12 INIT =$C900 INITED =$0678 R30 =$0478
|
|
|
|
|
|
R31 =$04F8 R32 =$0578 R33 =$05F8 READ =$CA9E
|
|
|
|
|
|
SLOT =$3D SLOT16 =$2B SS =$C083 SS0 =$0E
|
|
|
|
|
|
SSNONE =$0F STATUS =$CA96 WORK =$3C WRITE =$CAF7
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Symbol table - numerical order:
|
|
|
|
|
|
|
|
|
|
|
|
DEBUG =$00 FRXDIS =$07 SS0 =$0E SSNONE =$0F
|
|
|
|
|
|
===== Page 14 =====
|
|
|
|
|
|
|
|
|
|
|
|
FRXEN =$17 SLOT16 =$2B WORK =$3C SLOT =$3D
|
|
|
|
|
|
CMDLO =$40 CMDHI =$41 DUMMY =$FF R30 =$0478
|
|
|
|
|
|
R31 =$04F8 R32 =$0578 R33 =$05F8 INITED =$0678
|
|
|
|
|
|
CURSLOT =$07F8 DATA =$C080 CTRL =$C081 DIV =$C082
|
|
|
|
|
|
SS =$C083 ? BOOT =$C825 DRIVER =$C841 INIT =$C900
|
|
|
|
|
|
CMD =$C9E3 GETR1 =$C9F7 GETR3 =$CA12 BLOCK =$CA44
|
|
|
|
|
|
COMMAND =$CA6E STATUS =$CA96 READ =$CA9E WRITE =$CAF7
|
|
|
|
|
|
FORMAT =$CB64 CMD0 =$CB68 CMD1 =$CB6E CMD8 =$CB74
|
|
|
|
|
|
CMD16 =$CB7A CMD55 =$CB80 ACMD4140=$CB86 ACMD410 =$CB8C
|
|
|
|
|
|
|
|
|
|
|
|
|
