forked from Apple-2-HW/AppleIISd
707 lines
31 KiB
Plaintext
707 lines
31 KiB
Plaintext
1 ********************************
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2 *
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3 * Apple][Sd Firmware
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4 * Version 0.5
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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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15-JUL-17 18:27
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14
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15 XC ; enable 65C02 code
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16 ORG $C800 ; Expansion ROM
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17
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18 * Memory defines
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19
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20 SLOT16 = $2B ; $s0 -> slot * 16
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21 WORK = $3C
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22 SLOT = $3D ; $0s
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23 CMDLO = $40
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24 CMDHI = $41
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25
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26 CURSLOT = $07F8 ; $Cs
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27 DATA = $C080
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28 CTRL = DATA+1
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29 DIV = DATA+2
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30 SS = DATA+3
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31 R30 = $0478
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32 R31 = $04F8
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33 R32 = $0578
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34 R33 = $05F8
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35
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36 * Constants
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37
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38 SSNONE = $0F
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39 SS0 = $0E
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40 DUMMY = $FF
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41
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42
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43 ********************************
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44 *
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45 * Install SD card driver
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46 *
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47 ********************************
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48
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49 * signature bytes
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50
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C800: A2 20 51 LDX #$20
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C802: A0 00 52 LDY #$00
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C804: A2 03 53 LDX #$03
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C806: 86 3C 54 STX WORK
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55
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===== Page 2 =====
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57 * find slot nr
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58
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C808: 20 58 FF 59 JSR $FF58
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C80B: BA 60 TSX
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C80C: BD 00 01 61 LDA $0100,X
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C80F: 29 0F 62 AND #$0F
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C811: 85 3D 63 STA SLOT ; $0s
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C813: 09 C0 64 ORA #$C0
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C815: 8D F8 07 65 STA CURSLOT ; $Cs
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C818: 0A 66 ASL A
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C819: 0A 67 ASL A
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C81A: 0A 68 ASL A
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C81B: 0A 69 ASL A
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C81C: 85 2B 70 STA SLOT16 ; $s0
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71
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C81E: 20 00 C9 72 JSR INIT
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C821: 2C FF CF 73 BIT $CFFF
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74
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75 *
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76 * TODO: check for init error
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77 *
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78
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79 * see if slot has a driver already
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80
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C824: AE 31 BF 81 LDX $BF31 ; get devcnt
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C827: BD 32 BF 82 INSLP LDA $BF32,X ; get a devnum
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C82A: 29 70 83 AND #$70 ; isolate slot
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C82C: C5 2B 84 CMP SLOT16 ; slot?
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C82E: F0 2E 85 BEQ INSOUT ; yes, skip it
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C830: CA 86 DEX
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C831: 10 F4 87 BPL INSLP ; keep up the search
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88
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89 * restore the devnum to the list
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90
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C833: AE 31 BF 91 LDX $BF31 ; get devcnt again
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C836: E0 0D 92 CPX #$0D device table full?
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C838: D0 03 93 BNE INSLP2
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94
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C83A: 4C 5E C8 95 JMP INSOUT ; do something!
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96
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C83D: BD 31 BF 97 INSLP2 LDA $BF32-1,X ; move all entries down
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C840: 9D 32 BF 98 STA $BF32,X ; to make room at front
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C843: CA 99 DEX ; for a new entry
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C844: D0 F7 100 BNE INSLP2
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C846: A9 04 101 LDA #$04 ; ProFile type device
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C848: 05 2B 102 ORA SLOT16
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C84A: 8D 32 BF 103 STA $BF32 ; slot, drive 1 at top of list
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C84D: EE 31 BF 104 INC $BF31 ; update devcnt
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105
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===== Page 3 =====
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107 * now insert the device driver vector
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108
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C850: A5 3D 109 LDA SLOT
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C852: AA 110 TAX
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C853: A9 5F 111 LDA #<DRIVER
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C855: 9D 10 BF 112 STA $BF10,X
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C858: AD F8 07 113 LDA CURSLOT
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C85B: 9D 11 BF 114 STA $BF11,X
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115
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C85E: 60 116 INSOUT RTS
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117
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118
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119 ********************************
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120 *
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121 * Jump table
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122 *
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123 ********************************
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124
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C85F: D8 125 DRIVER CLD
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C860: 20 58 FF 126 JSR $FF58 ; find slot nr
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C863: BA 127 TSX
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C864: BD 00 01 128 LDA $0100,X
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C867: 29 0F 129 AND #$0F
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C869: 85 3D 130 STA SLOT ; $0s
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C86B: 09 C0 131 ORA #$C0
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C86D: 8D F8 07 132 STA CURSLOT ; $Cs
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C870: 0A 133 ASL A
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C871: 0A 134 ASL A
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C872: 0A 135 ASL A
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C873: 0A 136 ASL A
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C874: 85 2B 137 STA SLOT16 ; $s0
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C876: AA 138 TAX ; X holds now SLOT16
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139
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C877: 2C FF CF 140 BIT $CFFF
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C87A: A5 42 141 LDA $42 ; get command
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C87C: C9 00 142 CMP #$00
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C87E: F0 10 143 BEQ :STATUS
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C880: C9 01 144 CMP #$01
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C882: F0 0F 145 BEQ :READ
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C884: C9 02 146 CMP #$02
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C886: F0 0E 147 BEQ :WRITE
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C888: C9 03 148 CMP #$03
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C88A: F0 0D 149 BEQ :FORMAT
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C88C: 38 150 SEC ; unknown command
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C88D: A9 01 151 LDA #$01
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C88F: 60 152 RTS
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153
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C890: 4C 3D CA 154 :STATUS JMP STATUS
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C893: 4C 45 CA 155 :READ JMP READ
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C896: 4C 00 CB 156 :WRITE JMP WRITE
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C899: 4C B6 CB 157 :FORMAT JMP FORMAT
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158
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===== Page 4 =====
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160 * Signature bytes
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161
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162 ORG $C8FC
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C8FC: FF FF 163 DW $FFFF ; 65535 blocks
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C8FE: 47 164 DB $47 ; Status bits
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C8FF: 5F 165 DB #<DRIVER ; LSB of driver
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166
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167
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168 ********************************
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169 *
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170 * Initialize SD card
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171 *
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172 * C Clear - No error
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173 * Set - Error
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174 * A $00 - No error
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175 * $27 - I/O error - Init failed
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176 * $28 - No card inserted
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177 *
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178 ********************************
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179
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180 ORG $C900
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181
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C900: D8 182 INIT CLD
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C901: A6 2B 183 LDX SLOT16
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C903: A9 03 184 LDA #$03 ; set SPI mode 3
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C905: 9D 81 C0 185 STA CTRL,X
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C908: A9 0F 186 LDA #SSNONE
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C90A: 9D 83 C0 187 STA SS,X
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C90D: A9 07 188 LDA #7
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C90F: 9D 82 C0 189 STA DIV,X
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C912: A0 0A 190 LDY #10
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C914: A9 FF 191 LDA #DUMMY
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192
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C916: 9D 80 C0 193 :LOOP STA DATA,X
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C919: 3C 81 C0 194 :WAIT BIT CTRL,X
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C91C: 10 FB 195 BPL :WAIT
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C91E: 88 196 DEY
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C91F: D0 F5 197 BNE :LOOP ; do 10 times
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C921: A9 0E 198 LDA #SS0 ; set CS low
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C923: 9D 83 C0 199 STA SS,X
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200
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C926: A9 BA 201 LDA #<CMD0 ; send CMD0
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C928: 85 40 202 STA CMDLO
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C92A: A9 CB 203 LDA #>CMD0
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C92C: 85 41 204 STA CMDHI
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C92E: 20 D9 C9 205 JSR CMD
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C931: 20 ED C9 206 JSR GETR1 ; get response
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C934: C9 01 207 CMP #$01
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C936: D0 39 208 BNE :ERROR1 ; error!
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209
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C938: A9 C6 210 LDA #<CMD8 ; send CMD8
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C93A: 85 40 211 STA CMDLO
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C93C: A9 CB 212 LDA #>CMD8
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C93E: 85 41 213 STA CMDHI
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C940: 20 D9 C9 214 JSR CMD
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C943: 20 08 CA 215 JSR GETR3
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C946: C9 01 216 CMP #$01
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===== Page 5 =====
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C948: D0 2A 217 BNE :SDV1 ; may be SD Ver. 1
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218
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219 * check for $01aa match!
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C94A: A9 D2 220 :SDV2 LDA #<CMD55
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C94C: 85 40 221 STA CMDLO
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C94E: A9 CB 222 LDA #>CMD55
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C950: 85 41 223 STA CMDHI
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C952: 20 D9 C9 224 JSR CMD
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C955: 20 ED C9 225 JSR GETR1
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C958: A9 D8 226 LDA #<ACMD4140
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C95A: 85 40 227 STA CMDLO
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C95C: A9 CB 228 LDA #>ACMD4140
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C95E: 85 41 229 STA CMDHI
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C960: 20 D9 C9 230 JSR CMD
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C963: 20 ED C9 231 JSR GETR1
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C966: C9 01 232 CMP #$01
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C968: F0 E0 233 BEQ :SDV2 ; wait for ready
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C96A: C9 00 234 CMP #$00
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C96C: D0 03 235 BNE :ERROR1 ; error!
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236 * send CMD58
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237 * SD Ver. 2 initialized!
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C96E: 4C AE C9 238 JMP :BLOCKSZ
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239
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C971: 4C CA C9 240 :ERROR1 JMP :IOERROR ; needed for far jump
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241
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C974: A9 D2 242 :SDV1 LDA #<CMD55
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C976: 85 40 243 STA CMDLO
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C978: A9 CB 244 LDA #>CMD55
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C97A: 85 41 245 STA CMDHI
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C97C: 20 D9 C9 246 JSR CMD ; ignore response
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C97F: A9 DE 247 LDA #<ACMD410
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C981: 85 40 248 STA CMDLO
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C983: A9 CB 249 LDA #>ACMD410
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C985: 85 41 250 STA CMDHI
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C987: 20 D9 C9 251 JSR CMD
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C98A: 20 ED C9 252 JSR GETR1
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C98D: C9 01 253 CMP #$01
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C98F: F0 E3 254 BEQ :SDV1 ; wait for ready
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C991: C9 00 255 CMP #$00
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C993: D0 03 256 BNE :MMC ; may be MMC card
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257 * SD Ver. 1 initialized!
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C995: 4C AE C9 258 JMP :BLOCKSZ
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259
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C998: A9 C0 260 :MMC LDA #<CMD1
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C99A: 85 40 261 STA CMDLO
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C99C: A9 CB 262 LDA #>CMD1
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C99E: 85 41 263 STA CMDHI
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C9A0: 20 D9 C9 264 :LOOP1 JSR CMD
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C9A3: 20 ED C9 265 JSR GETR1
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C9A6: C9 01 266 CMP #$01
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C9A8: F0 F6 267 BEQ :LOOP1 ; wait for ready
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C9AA: C9 00 268 CMP #$00
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C9AC: D0 1C 269 BNE :IOERROR ; error!
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270 * MMC Ver. 3 initialized!
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271
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C9AE: A9 CC 272 :BLOCKSZ LDA #<CMD16
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C9B0: 85 40 273 STA CMDLO
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===== Page 6 =====
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C9B2: A9 CB 274 LDA #>CMD16
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C9B4: 85 41 275 STA CMDHI
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C9B6: 20 D9 C9 276 JSR CMD
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C9B9: 20 ED C9 277 JSR GETR1
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C9BC: C9 00 278 CMP #$00
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C9BE: D0 0A 279 BNE :IOERROR ; error!
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280
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C9C0: 18 281 :END CLC ; all ok
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C9C1: A2 00 282 LDX #0
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C9C3: 90 08 283 BCC :END1
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C9C5: 38 284 :CDERROR SEC
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C9C6: A2 28 285 LDX #$28 ; no card error
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C9C8: B0 03 286 BCS :END1
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C9CA: 38 287 :IOERROR SEC
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C9CB: A2 27 288 LDX #$27 ; init error
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C9CD: A9 0F 289 :END1 LDA #SSNONE ; deselect card
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C9CF: 9D 83 C0 290 STA SS,X
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C9D2: A9 00 291 LDA #0 ; set div to 2
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C9D4: 9D 82 C0 292 STA DIV,X
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C9D7: 8A 293 TXA ; retval in A
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C9D8: 60 294 RTS
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295
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296
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297 ********************************
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298 *
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299 * Send SD command
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300 * Call with command in CMDHI and CMDLO
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301 *
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302 ********************************
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303
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C9D9: 5A 304 CMD PHY
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C9DA: A0 00 305 LDY #0
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C9DC: B1 40 306 :LOOP LDA (CMDLO),Y
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C9DE: 9D 80 C0 307 STA DATA,X
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C9E1: 3C 81 C0 308 :WAIT BIT CTRL,X ; TC is in N
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C9E4: 10 FB 309 BPL :WAIT
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C9E6: C8 310 INY
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C9E7: C0 06 311 CPY #6
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C9E9: 90 F1 312 BCC :LOOP
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C9EB: 7A 313 PLY
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C9EC: 60 314 RTS
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315
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===== Page 7 =====
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317 ********************************
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318 *
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319 * Get R1
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320 * R1 is in A
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321 *
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322 ********************************
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323
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C9ED: A9 FF 324 GETR1 LDA #DUMMY
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C9EF: 9D 80 C0 325 STA DATA,X
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C9F2: 3C 81 C0 326 :WAIT BIT CTRL,X
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C9F5: 10 FB 327 BPL :WAIT
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C9F7: BD 80 C0 328 LDA DATA,X ; get response
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C9FA: 85 3C 329 STA WORK ; save R1
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C9FC: 29 80 330 AND #$80
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C9FE: D0 ED 331 BNE GETR1 ; wait for MSB=0
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CA00: A9 FF 332 LDA #DUMMY
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CA02: 9D 80 C0 333 STA DATA,X ; send another dummy
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CA05: A5 3C 334 LDA WORK ; restore R1
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CA07: 60 335 RTS
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336
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337
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338 ********************************
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339 *
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340 * Get R3
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341 * R1 is in A
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342 * R3 is in scratchpad ram
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343 *
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344 ********************************
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345
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CA08: 20 ED C9 346 GETR3 JSR GETR1 ; get R1 first
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CA0B: 48 347 PHA ; save R1
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CA0C: 5A 348 PHY ; save Y
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CA0D: A9 04 349 LDA #04 ; load counter
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CA0F: 85 3C 350 STA WORK
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CA11: A4 3D 351 LDY SLOT
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CA13: A9 FF 352 :LOOP LDA #DUMMY ; send dummy
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CA15: 9D 80 C0 353 STA DATA,X
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CA18: 3C 81 C0 354 :WAIT BIT CTRL,X
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CA1B: 10 FB 355 BPL :WAIT
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CA1D: BD 80 C0 356 LDA DATA,X
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CA20: 48 357 PHA
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CA21: C6 3C 358 DEC WORK
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CA23: D0 EE 359 BNE :LOOP ; do 4 times
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CA25: 68 360 PLA
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CA26: 99 F8 05 361 STA R33,Y ; save R3
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CA29: 68 362 PLA
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CA2A: 99 78 05 363 STA R32,Y
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CA2D: 68 364 PLA
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CA2E: 99 F8 04 365 STA R31,Y
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CA31: 68 366 PLA
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CA32: 9D 78 04 367 STA R30,X
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CA35: 7A 368 PLY ; restore Y
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CA36: A9 FF 369 LDA #DUMMY
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CA38: 9D 80 C0 370 STA DATA,X ; send another dummy
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CA3B: 68 371 PLA ; restore R1
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CA3C: 60 372 RTS
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373
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===== Page 8 =====
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374
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375 ********************************
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376 *
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377 * Status request
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378 * $43 Unt number DSSS000
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379 * $44-45 Unused
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380 * $46-47 Unused
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381 *
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382 * C Clear - No error
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383 * Set - Error
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384 * A $00 - No error
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385 * $27 - I/O error
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386 * $28 - No card inserted / no init
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387 * $2B - Card write protected
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388 * x - Blocks avail (low byte)
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389 * y - Blocks avail (high byte)
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390 *
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391 ********************************
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392
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CA3D: 18 393 STATUS CLC ; no error
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CA3E: A9 00 394 LDA #0
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CA40: A2 FF 395 LDX #$FF ; 32 MB partition
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CA42: A0 FF 396 LDY #$FF
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CA44: 60 397 RTS
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398
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399 * TODO: check for card detect and write protect!
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400
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401
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402 ********************************
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403 *
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404 * Read 512 byte block
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405 * $43 Unit number DSSS0000
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406 * $44-45 Address (LO/HI) of buffer
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407 * $46-47 Block number (LO/HI)
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408 *
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409 * C Clear - No error
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410 * Set - Error
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411 * A $00 - No error
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412 * $27 - Bad block number
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413 * $28 - No card inserted
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414 *
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415 ********************************
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416
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417 * TODO: check for card detect!
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418
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CA45: A9 0E 419 READ LDA #SS0 ; enable /CS
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CA47: 9D 83 C0 420 STA SS,X
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421
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CA4A: 5A 422 PHY ; save Y
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CA4B: A4 3D 423 LDY SLOT
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CA4D: A5 46 424 LDA $46 ; store block num
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CA4F: 99 F8 05 425 STA R33,Y ; in R30-R33
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CA52: A5 47 426 LDA $47
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CA54: 99 78 05 427 STA R32,Y
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CA57: A9 00 428 LDA #0
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CA59: 99 F8 04 429 STA R31,Y
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CA5C: 99 78 04 430 STA R30,Y
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===== Page 9 =====
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431
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CA5F: DA 432 PHX
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CA60: 5A 433 PHY
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CA61: A0 09 434 LDY #9
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CA63: A6 3D 435 LDX SLOT ; ASL can't be done with Y
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CA65: 1E F8 05 436 :LOOP ASL R33,X ; mul block num
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CA68: 3E 78 05 437 ROL R32,X ; by 512 to get
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CA6B: 3E F8 04 438 ROL R31,X ; real address
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CA6E: 3E 78 04 439 ROL R30,X
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CA71: 88 440 DEY
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CA72: D0 F1 441 BNE :LOOP
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CA74: 7A 442 PLY
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CA75: FA 443 PLX
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444
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CA76: A9 51 445 LDA #$51 ; send CMD17
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CA78: 9D 80 C0 446 STA DATA,X
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CA7B: 3C 81 C0 447 :WAIT BIT CTRL,X
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CA7E: 10 FB 448 BPL :WAIT
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CA80: B9 78 04 449 :ARG LDA R30,Y ; get arg from R30 on
|
||
CA83: 9D 80 C0 450 STA DATA,X
|
||
CA86: 3C 81 C0 451 :WAIT1 BIT CTRL,X
|
||
CA89: 10 FB 452 BPL :WAIT1
|
||
CA8B: B9 F8 04 453 LDA R31,Y
|
||
CA8E: 9D 80 C0 454 STA DATA,X
|
||
CA91: 3C 81 C0 455 :WAIT11 BIT CTRL,X
|
||
CA94: 10 FB 456 BPL :WAIT11
|
||
CA96: B9 78 05 457 LDA R32,Y
|
||
CA99: 9D 80 C0 458 STA DATA,X
|
||
CA9C: 3C 81 C0 459 :WAIT12 BIT CTRL,X
|
||
CA9F: 10 FB 460 BPL :WAIT12
|
||
CAA1: B9 F8 05 461 LDA R33,Y
|
||
CAA4: 9D 80 C0 462 STA DATA,X
|
||
CAA7: 3C 81 C0 463 :WAIT13 BIT CTRL,X
|
||
CAAA: 10 FB 464 BPL :WAIT13
|
||
CAAC: A9 FF 465 LDA #DUMMY
|
||
CAAE: 9D 80 C0 466 STA DATA,X ; dummy crc
|
||
CAB1: 3C 81 C0 467 :WAIT2 BIT CTRL,X
|
||
CAB4: 10 FB 468 BPL :WAIT2
|
||
CAB6: A9 FF 469 :GETR1 LDA #DUMMY
|
||
CAB8: 9D 80 C0 470 STA DATA,X ; get R1
|
||
CABB: 3C 81 C0 471 :WAIT3 BIT CTRL,X
|
||
CABE: 10 FB 472 BPL :WAIT3
|
||
CAC0: BD 80 C0 473 LDA DATA,X ; get response
|
||
474 *
|
||
475 * TODO: check for error!
|
||
476 *
|
||
CAC3: C9 FE 477 CMP #$FE
|
||
CAC5: D0 EF 478 BNE :GETR1 ; wait for $FE
|
||
479
|
||
CAC7: 5A 480 PHY
|
||
CAC8: A0 02 481 LDY #2 ; read data from card
|
||
CACA: 64 3C 482 :LOOPY STZ WORK
|
||
CACC: A9 FF 483 :LOOPW LDA #DUMMY
|
||
CACE: 9D 80 C0 484 STA DATA,X
|
||
CAD1: 3C 81 C0 485 :WAIT4 BIT CTRL,X
|
||
CAD4: 10 FB 486 BPL :WAIT4
|
||
CAD6: BD 80 C0 487 LDA DATA,X
|
||
===== Page 10 =====
|
||
|
||
CAD9: 92 44 488 STA ($44)
|
||
CADB: E6 44 489 INC $44
|
||
CADD: D0 02 490 BNE :INW
|
||
CADF: E6 45 491 INC $45 ; inc msb on page boundary
|
||
CAE1: E6 3C 492 :INW INC WORK
|
||
CAE3: D0 E7 493 BNE :LOOPW
|
||
CAE5: 88 494 DEY
|
||
CAE6: D0 E2 495 BNE :LOOPY
|
||
CAE8: 7A 496 PLY
|
||
497
|
||
CAE9: 20 08 CA 498 :OK JSR GETR3 ; read 2 bytes crc
|
||
CAEC: A9 0F 499 LDA #SSNONE
|
||
CAEE: 9D 83 C0 500 STA SS,X ; disable /CS
|
||
CAF1: 18 501 CLC ; no error
|
||
CAF2: A9 00 502 LDA #$00
|
||
CAF4: 7A 503 PLY ; restore Y
|
||
CAF5: 60 504 RTS
|
||
505
|
||
CAF6: A9 0F 506 :ERROR LDA #SSNONE
|
||
CAF8: 9D 83 C0 507 STA SS,X ; disable /CS
|
||
CAFB: 38 508 SEC ; an error occured
|
||
CAFC: A9 27 509 LDA #$27
|
||
CAFE: 7A 510 PLY ; restore Y
|
||
CAFF: 60 511 RTS
|
||
512
|
||
513
|
||
514 ********************************
|
||
515 *
|
||
516 * Write 512 byte block
|
||
517 * $43 Unit number DSSS000
|
||
518 * $44-45 Address (LO/HI) of buffer
|
||
519 * $46-47 Block number (LO/HI)
|
||
520 *
|
||
521 * C Clear - No error
|
||
522 * Set - Error
|
||
523 * A $00 - No error
|
||
524 * $27 - Bad block number
|
||
525 * $28 - No card inserted
|
||
526 *
|
||
527 ********************************
|
||
528
|
||
529 * TODO: check for card detect and write protect!
|
||
530
|
||
CB00: A9 0E 531 WRITE LDA #SS0 ; enable /CS
|
||
CB02: 9D 83 C0 532 STA SS,X
|
||
533
|
||
CB05: 5A 534 PHY
|
||
CB06: A4 3D 535 LDY SLOT
|
||
CB08: A5 46 536 LDA $46 ; store block num
|
||
CB0A: 99 F8 05 537 STA R33,Y
|
||
CB0D: A5 47 538 LDA $47
|
||
CB0F: 99 78 05 539 STA R32,Y
|
||
CB12: A9 00 540 LDA #0
|
||
CB14: 99 F8 04 541 STA R31,Y
|
||
CB17: 99 78 04 542 STA R30,Y
|
||
543
|
||
CB1A: DA 544 PHX
|
||
===== Page 11 =====
|
||
|
||
CB1B: 5A 545 PHY
|
||
CB1C: A0 09 546 LDY #9
|
||
CB1E: A6 3D 547 LDX SLOT ; ASL can't be done with Y
|
||
CB20: 1E F8 05 548 :LOOP ASL R33,X ; mul block num
|
||
CB23: 3E 78 05 549 ROL R32,X ; by 512 to get
|
||
CB26: 3E F8 04 550 ROL R31,X ; real address
|
||
CB29: 3E 78 04 551 ROL R30,X
|
||
CB2C: 88 552 DEY
|
||
CB2D: D0 F1 553 BNE :LOOP
|
||
CB2F: 7A 554 PLY
|
||
CB30: FA 555 PLX
|
||
556
|
||
CB31: A9 58 557 LDA #$58 ; send CMD24
|
||
CB33: 9D 80 C0 558 STA DATA,X
|
||
CB36: 3C 81 C0 559 :WAIT BIT CTRL,X
|
||
CB39: 10 FB 560 BPL :WAIT
|
||
CB3B: B9 78 04 561 :ARG LDA R30,Y ; get arg from R30 on
|
||
CB3E: 9D 80 C0 562 STA DATA,X
|
||
CB41: 3C 81 C0 563 :WAIT1 BIT CTRL,X
|
||
CB44: 10 FB 564 BPL :WAIT1
|
||
CB46: B9 F8 04 565 LDA R31,Y
|
||
CB49: 9D 80 C0 566 STA DATA,X
|
||
CB4C: 3C 81 C0 567 :WAIT11 BIT CTRL,X
|
||
CB4F: 10 FB 568 BPL :WAIT11
|
||
CB51: B9 78 05 569 LDA R32,Y
|
||
CB54: 9D 80 C0 570 STA DATA,X
|
||
CB57: 3C 81 C0 571 :WAIT12 BIT CTRL,X
|
||
CB5A: 10 FB 572 BPL :WAIT12
|
||
CB5C: B9 F8 05 573 LDA R33,Y
|
||
CB5F: 9D 80 C0 574 STA DATA,X
|
||
CB62: 3C 81 C0 575 :WAIT13 BIT CTRL,X
|
||
CB65: 10 FB 576 BPL :WAIT13
|
||
CB67: A9 FF 577 LDA #DUMMY
|
||
CB69: 9D 80 C0 578 STA DATA,X ; dummy crc
|
||
CB6C: 3C 81 C0 579 :WAIT2 BIT CTRL,X
|
||
CB6F: 10 FB 580 BPL :WAIT2
|
||
CB71: A9 FF 581 :GETR1 LDA #DUMMY
|
||
CB73: 9D 80 C0 582 STA DATA,X ; get R1
|
||
CB76: 3C 81 C0 583 :WAIT3 BIT CTRL,X
|
||
CB79: 10 FB 584 BPL :WAIT3
|
||
CB7B: BD 80 C0 585 LDA DATA,X ; get response
|
||
586 *
|
||
587 * TODO: check for error!
|
||
588 *
|
||
CB7E: C9 FE 589 CMP #$FE
|
||
CB80: D0 EF 590 BNE :GETR1 ; wait for $FE
|
||
591
|
||
CB82: 5A 592 PHY
|
||
CB83: A0 02 593 LDY #2 ; send data to card
|
||
CB85: 64 3C 594 :LOOPY STZ WORK
|
||
CB87: B2 44 595 :LOOPW LDA ($44)
|
||
CB89: 9D 80 C0 596 STA DATA,X
|
||
CB8C: 3C 81 C0 597 :WAIT4 BIT CTRL,X
|
||
CB8F: 10 FB 598 BPL :WAIT4
|
||
CB91: E6 44 599 INC $44
|
||
CB93: D0 02 600 BNE :INW
|
||
CB95: E6 45 601 INC $45 ; inc msb on page boundary
|
||
===== Page 12 =====
|
||
|
||
CB97: E6 3C 602 :INW INC WORK
|
||
CB99: D0 EC 603 BNE :LOOPW
|
||
CB9B: 88 604 DEY
|
||
CB9C: D0 E7 605 BNE :LOOPY
|
||
606
|
||
CB9E: A0 02 607 LDY #2 ; send 2 dummy crc bytes
|
||
CBA0: 9D 80 C0 608 :CRC STA DATA,X
|
||
CBA3: 3C 81 C0 609 :WAIT5 BIT CTRL,X
|
||
CBA6: 10 FB 610 BPL :WAIT5
|
||
CBA8: 88 611 DEY
|
||
CBA9: D0 F5 612 BNE :CRC
|
||
CBAB: 7A 613 PLY
|
||
614
|
||
CBAC: A9 0F 615 :OK LDA #SSNONE ; disable /CS
|
||
CBAE: 9D 83 C0 616 STA SS,X
|
||
CBB1: 18 617 CLC ; no error
|
||
CBB2: A9 00 618 LDA #0
|
||
CBB4: 7A 619 PLY
|
||
CBB5: 60 620 RTS
|
||
621
|
||
622
|
||
623 ********************************
|
||
624 *
|
||
625 * Format
|
||
626 * not supported!
|
||
627 *
|
||
628 ********************************
|
||
629
|
||
CBB6: 38 630 FORMAT SEC
|
||
CBB7: A9 01 631 LDA #$01 ; invalid command
|
||
CBB9: 60 632 RTS
|
||
633
|
||
634
|
||
635
|
||
CBBA: 40 00 00 636 CMD0 HEX 400000
|
||
CBBD: 00 00 95 637 HEX 000095
|
||
CBC0: 41 00 00 638 CMD1 HEX 410000
|
||
CBC3: 00 00 F9 639 HEX 0000F9
|
||
CBC6: 48 00 00 640 CMD8 HEX 480000
|
||
CBC9: 01 AA 87 641 HEX 01AA87
|
||
CBCC: 50 00 00 642 CMD16 HEX 500000
|
||
CBCF: 02 00 FF 643 HEX 0200FF
|
||
CBD2: 77 00 00 644 CMD55 HEX 770000
|
||
CBD5: 00 00 65 645 HEX 000065
|
||
CBD8: 69 40 00 646 ACMD4140 HEX 694000
|
||
CBDB: 00 00 77 647 HEX 000077
|
||
CBDE: 69 00 00 648 ACMD410 HEX 690000
|
||
CBE1: 00 00 FF 649 HEX 0000FF
|
||
|
||
===== Page 13 =====
|
||
|
||
|
||
|
||
--End assembly, 900 bytes, Errors: 0
|
||
|
||
|
||
Symbol table - alphabetical order:
|
||
|
||
ACMD410 =$CBDE ACMD4140=$CBD8 CMD =$C9D9 CMD0 =$CBBA
|
||
CMD1 =$CBC0 CMD16 =$CBCC CMD55 =$CBD2 CMD8 =$CBC6
|
||
CMDHI =$41 CMDLO =$40 CTRL =$C081 CURSLOT =$07F8
|
||
DATA =$C080 DIV =$C082 DRIVER =$C85F DUMMY =$FF
|
||
FORMAT =$CBB6 GETR1 =$C9ED GETR3 =$CA08 INIT =$C900
|
||
INSLP =$C827 INSLP2 =$C83D INSOUT =$C85E R30 =$0478
|
||
R31 =$04F8 R32 =$0578 R33 =$05F8 READ =$CA45
|
||
SLOT =$3D SLOT16 =$2B SS =$C083 SS0 =$0E
|
||
SSNONE =$0F STATUS =$CA3D WORK =$3C WRITE =$CB00
|
||
|
||
|
||
|
||
Symbol table - numerical order:
|
||
|
||
SS0 =$0E SSNONE =$0F SLOT16 =$2B WORK =$3C
|
||
SLOT =$3D CMDLO =$40 CMDHI =$41 DUMMY =$FF
|
||
R30 =$0478 R31 =$04F8 R32 =$0578 R33 =$05F8
|
||
CURSLOT =$07F8 DATA =$C080 CTRL =$C081 DIV =$C082
|
||
SS =$C083 INSLP =$C827 INSLP2 =$C83D INSOUT =$C85E
|
||
DRIVER =$C85F INIT =$C900 CMD =$C9D9 GETR1 =$C9ED
|
||
GETR3 =$CA08 STATUS =$CA3D READ =$CA45 WRITE =$CB00
|
||
FORMAT =$CBB6 CMD0 =$CBBA CMD1 =$CBC0 CMD8 =$CBC6
|
||
CMD16 =$CBCC CMD55 =$CBD2 ACMD4140=$CBD8 ACMD410 =$CBDE
|
||
|
||
|