756 lines
33 KiB
Plaintext
756 lines
33 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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16-JUL-17 23:22
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14
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15 XC ; enable 65C02 code
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16 DEBUG = 1
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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
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41 * Constants
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42
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43 SSNONE = $0F
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44 SS0 = $0E
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45 DUMMY = $FF
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46
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47
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48 ********************************
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49 *
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50 * Install SD card driver
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51 *
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52 ********************************
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53
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54 * signature bytes
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55
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8000: A2 20 56 LDX #$20
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8002: A0 00 57 LDY #$00
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8004: A2 03 58 LDX #$03
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8006: 86 3C 59 STX WORK
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===== Page 2 =====
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60
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61 * find slot nr
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62
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63 DO DEBUG
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8008: A9 04 64 LDA #$04
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800A: 85 3D 65 STA SLOT
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800C: A9 C4 66 LDA #$C4
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800E: 8D F8 07 67 STA CURSLOT
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8011: A9 40 68 LDA #$40
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8013: 85 2B 69 STA SLOT16
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70 ELSE
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71 JSR $FF58
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72 TSX
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73 LDA $0100,X
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74 AND #$0F
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75 STA SLOT ; $0s
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76 ORA #$C0
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77 STA CURSLOT ; $Cs
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78 ASL A
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79 ASL A
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80 ASL A
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81 ASL A
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82 STA SLOT16 ; $s0
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83 FIN
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8015: AA 84 TAX ; X holds now SLOT16
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85
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8016: 20 00 81 86 JSR INIT
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8019: 2C FF CF 87 BIT $CFFF
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88
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89 *
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90 * TODO: check for init error
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91 *
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92
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93 * see if slot has a driver already
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94
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801C: AE 31 BF 95 LDX $BF31 ; get devcnt
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801F: BD 32 BF 96 INSLP LDA $BF32,X ; get a devnum
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8022: 29 70 97 AND #$70 ; isolate slot
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8024: C5 2B 98 CMP SLOT16 ; slot?
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8026: F0 31 99 BEQ INSOUT ; yes, skip it
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8028: CA 100 DEX
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8029: 10 F4 101 BPL INSLP ; keep up the search
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102
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103 * restore the devnum to the list
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104
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802B: AE 31 BF 105 LDX $BF31 ; get devcnt again
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802E: E0 0D 106 CPX #$0D ; device table full?
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8030: D0 06 107 BNE INSLP2
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108
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8032: 20 3A FF 109 JSR $FF3A ; bell
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8035: 4C 59 80 110 JMP INSOUT ; do something!
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111
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8038: BD 31 BF 112 INSLP2 LDA $BF32-1,X ; move all entries down
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803B: 9D 32 BF 113 STA $BF32,X ; to make room at front
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803E: CA 114 DEX ; for a new entry
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803F: D0 F7 115 BNE INSLP2
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8041: A9 04 116 LDA #$04 ; ProFile type device
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===== Page 3 =====
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8043: 05 2B 117 ORA SLOT16
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8045: 8D 32 BF 118 STA $BF32 ; slot, drive 1 at top of list
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8048: EE 31 BF 119 INC $BF31 ; update devcnt
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120
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121 * now insert the device driver vector
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122
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804B: A5 3D 123 LDA SLOT
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804D: 0A 124 ASL
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804E: AA 125 TAX
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804F: A9 5A 126 LDA #<DRIVER
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8051: 9D 10 BF 127 STA $BF10,X ; write to driver table
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128 DO DEBUG
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8054: A9 80 129 LDA #>DRIVER
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130 ELSE
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131 LDA CURSLOT
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132 FIN
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8056: 9D 11 BF 133 STA $BF11,X
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134
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8059: 60 135 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 * Jump table
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141 *
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142 ********************************
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143
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805A: D8 144 DRIVER CLD
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145 DO DEBUG
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805B: A9 04 146 LDA #$04
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805D: 85 3D 147 STA SLOT
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805F: A9 C4 148 LDA #$C4
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8061: 8D F8 07 149 STA CURSLOT
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8064: A9 40 150 LDA #$40
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8066: 85 2B 151 STA SLOT16
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152 ELSE
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153 JSR $FF58 ; find slot nr
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154 TSX
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155 LDA $0100,X
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156 AND #$0F
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157 STA SLOT ; $0s
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158 ORA #$C0
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159 STA CURSLOT ; $Cs
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160 ASL A
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161 ASL A
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162 ASL A
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163 ASL A
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164 STA SLOT16 ; $s0
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165 FIN
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8068: AA 166 TAX ; X holds now SLOT16
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167
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8069: 2C FF CF 168 BIT $CFFF
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806C: A5 42 169 LDA $42 ; get command
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806E: C9 00 170 CMP #$00
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8070: F0 10 171 BEQ :STATUS
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8072: C9 01 172 CMP #$01
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8074: F0 0F 173 BEQ :READ
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===== Page 4 =====
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8076: C9 02 174 CMP #$02
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8078: F0 0E 175 BEQ :WRITE
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807A: C9 03 176 CMP #$03
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807C: F0 0D 177 BEQ :FORMAT
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807E: 38 178 SEC ; unknown command
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807F: A9 01 179 LDA #$01
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8081: 60 180 RTS
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181
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8082: 4C A8 82 182 :STATUS JMP STATUS
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8085: 4C B0 82 183 :READ JMP READ
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8088: 4C FA 82 184 :WRITE JMP WRITE
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808B: 4C 8A 83 185 :FORMAT JMP FORMAT
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186
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187 * Signature bytes
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188
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808E: 00 00 00 189 DS \ ; fill with zeroes
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8091: 00 00 00 00
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8095: 00 00 00 00
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8099: 00 00 00 00
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809D: 00 00 00 00
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80A1: 00 00 00 00
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80A5: 00 00 00 00
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80A9: 00 00 00 00
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80AD: 00 00 00 00
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80B1: 00 00 00 00
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80B5: 00 00 00 00
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80B9: 00 00 00 00
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80BD: 00 00 00 00
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80C1: 00 00 00 00
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80C5: 00 00 00 00
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80C9: 00 00 00 00
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80CD: 00 00 00 00
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80D1: 00 00 00 00
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80D5: 00 00 00 00
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80D9: 00 00 00 00
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80DD: 00 00 00 00
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80E1: 00 00 00 00
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80E5: 00 00 00 00
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80E9: 00 00 00 00
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80ED: 00 00 00 00
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80F1: 00 00 00 00
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80F5: 00 00 00 00
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80F9: 00 00 00 00
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80FD: 00 00 00
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190 DS -4 ; locate to $C8FC
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80FC: FF FF 191 DW $FFFF ; 65535 blocks
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80FE: 47 192 DB $47 ; Status bits
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80FF: 5A 193 DB #<DRIVER ; LSB of driver
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194
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195
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196 ********************************
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197 *
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198 * Initialize SD card
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199 *
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200 * C Clear - No error
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201 * Set - Error
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202 * A $00 - No error
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===== Page 5 =====
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203 * $27 - I/O error - Init failed
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204 * $28 - No card inserted
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205 *
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206 ********************************
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207
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8100: D8 208 INIT CLD
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8101: A9 03 209 LDA #$03 ; set SPI mode 3
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8103: 9D 81 C0 210 STA CTRL,X
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8106: A9 0F 211 LDA #SSNONE
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8108: 9D 83 C0 212 STA SS,X
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810B: A9 07 213 LDA #7
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810D: 9D 82 C0 214 STA DIV,X
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8110: A0 0A 215 LDY #10
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8112: A9 FF 216 LDA #DUMMY
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217
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8114: 9D 80 C0 218 :LOOP STA DATA,X
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8117: 3C 81 C0 219 :WAIT BIT CTRL,X
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811A: 10 FB 220 BPL :WAIT
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811C: 88 221 DEY
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811D: D0 F5 222 BNE :LOOP ; do 10 times
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811F: A9 0E 223 LDA #SS0 ; set CS low
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8121: 9D 83 C0 224 STA SS,X
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225
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8124: A9 8E 226 LDA #<CMD0 ; send CMD0
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8126: 85 40 227 STA CMDLO
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8128: A9 83 228 LDA #>CMD0
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812A: 85 41 229 STA CMDHI
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812C: 20 D7 81 230 JSR CMD
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812F: 20 EB 81 231 JSR GETR1 ; get response
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8132: C9 01 232 CMP #$01
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8134: D0 39 233 BNE :ERROR1 ; error!
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234
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8136: A9 9A 235 LDA #<CMD8 ; send CMD8
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8138: 85 40 236 STA CMDLO
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813A: A9 83 237 LDA #>CMD8
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813C: 85 41 238 STA CMDHI
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813E: 20 D7 81 239 JSR CMD
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8141: 20 06 82 240 JSR GETR3
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8144: C9 01 241 CMP #$01
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8146: D0 2A 242 BNE :SDV1 ; may be SD Ver. 1
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243
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244 * check for $01aa match!
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8148: A9 A6 245 :SDV2 LDA #<CMD55
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814A: 85 40 246 STA CMDLO
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814C: A9 83 247 LDA #>CMD55
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814E: 85 41 248 STA CMDHI
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8150: 20 D7 81 249 JSR CMD
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8153: 20 EB 81 250 JSR GETR1
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8156: A9 AC 251 LDA #<ACMD4140
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8158: 85 40 252 STA CMDLO
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815A: A9 83 253 LDA #>ACMD4140
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815C: 85 41 254 STA CMDHI
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815E: 20 D7 81 255 JSR CMD
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8161: 20 EB 81 256 JSR GETR1
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8164: C9 01 257 CMP #$01
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8166: F0 E0 258 BEQ :SDV2 ; wait for ready
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8168: C9 00 259 CMP #$00
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===== Page 6 =====
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816A: D0 03 260 BNE :ERROR1 ; error!
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261 * send CMD58
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262 * SD Ver. 2 initialized!
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816C: 4C AC 81 263 JMP :BLOCKSZ
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264
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816F: 4C C8 81 265 :ERROR1 JMP :IOERROR ; needed for far jump
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266
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8172: A9 A6 267 :SDV1 LDA #<CMD55
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8174: 85 40 268 STA CMDLO
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8176: A9 83 269 LDA #>CMD55
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8178: 85 41 270 STA CMDHI
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817A: 20 D7 81 271 JSR CMD ; ignore response
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817D: A9 B2 272 LDA #<ACMD410
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817F: 85 40 273 STA CMDLO
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8181: A9 83 274 LDA #>ACMD410
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8183: 85 41 275 STA CMDHI
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8185: 20 D7 81 276 JSR CMD
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8188: 20 EB 81 277 JSR GETR1
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818B: C9 01 278 CMP #$01
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818D: F0 E3 279 BEQ :SDV1 ; wait for ready
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818F: C9 00 280 CMP #$00
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8191: D0 03 281 BNE :MMC ; may be MMC card
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282 * SD Ver. 1 initialized!
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8193: 4C AC 81 283 JMP :BLOCKSZ
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284
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8196: A9 94 285 :MMC LDA #<CMD1
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8198: 85 40 286 STA CMDLO
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819A: A9 83 287 LDA #>CMD1
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819C: 85 41 288 STA CMDHI
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819E: 20 D7 81 289 :LOOP1 JSR CMD
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81A1: 20 EB 81 290 JSR GETR1
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81A4: C9 01 291 CMP #$01
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81A6: F0 F6 292 BEQ :LOOP1 ; wait for ready
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81A8: C9 00 293 CMP #$00
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81AA: D0 1C 294 BNE :IOERROR ; error!
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295 * MMC Ver. 3 initialized!
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296
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81AC: A9 A0 297 :BLOCKSZ LDA #<CMD16
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81AE: 85 40 298 STA CMDLO
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81B0: A9 83 299 LDA #>CMD16
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81B2: 85 41 300 STA CMDHI
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81B4: 20 D7 81 301 JSR CMD
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81B7: 20 EB 81 302 JSR GETR1
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81BA: C9 00 303 CMP #$00
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81BC: D0 0A 304 BNE :IOERROR ; error!
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305
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81BE: 18 306 :END CLC ; all ok
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81BF: A0 00 307 LDY #0
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81C1: 90 08 308 BCC :END1
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81C3: 38 309 :CDERROR SEC
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81C4: A0 28 310 LDY #$28 ; no card error
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81C6: B0 03 311 BCS :END1
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81C8: 38 312 :IOERROR SEC
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81C9: A0 27 313 LDY #$27 ; init error
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81CB: A9 0F 314 :END1 LDA #SSNONE ; deselect card
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81CD: 9D 83 C0 315 STA SS,X
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81D0: A9 00 316 LDA #0 ; set div to 2
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===== Page 7 =====
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81D2: 9D 82 C0 317 STA DIV,X
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81D5: 98 318 TYA ; retval in A
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81D6: 60 319 RTS
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320
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321
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322 ********************************
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323 *
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324 * Send SD command
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325 * Call with command in CMDHI and CMDLO
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326 *
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327 ********************************
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328
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81D7: 5A 329 CMD PHY
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81D8: A0 00 330 LDY #0
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81DA: B1 40 331 :LOOP LDA (CMDLO),Y
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81DC: 9D 80 C0 332 STA DATA,X
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81DF: 3C 81 C0 333 :WAIT BIT CTRL,X ; TC is in N
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81E2: 10 FB 334 BPL :WAIT
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81E4: C8 335 INY
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81E5: C0 06 336 CPY #6
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81E7: 90 F1 337 BCC :LOOP
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81E9: 7A 338 PLY
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81EA: 60 339 RTS
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340
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341
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342 ********************************
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343 *
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344 * Get R1
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345 * R1 is in A
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346 *
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347 ********************************
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348
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81EB: A9 FF 349 GETR1 LDA #DUMMY
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81ED: 9D 80 C0 350 STA DATA,X
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81F0: 3C 81 C0 351 :WAIT BIT CTRL,X
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81F3: 10 FB 352 BPL :WAIT
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81F5: BD 80 C0 353 LDA DATA,X ; get response
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81F8: 85 3C 354 STA WORK ; save R1
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81FA: 29 80 355 AND #$80
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81FC: D0 ED 356 BNE GETR1 ; wait for MSB=0
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81FE: A9 FF 357 LDA #DUMMY
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8200: 9D 80 C0 358 STA DATA,X ; send another dummy
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8203: A5 3C 359 LDA WORK ; restore R1
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8205: 60 360 RTS
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361
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362
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363 ********************************
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364 *
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365 * Get R3
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366 * R1 is in A
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367 * R3 is in scratchpad ram
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368 *
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369 ********************************
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370
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8206: 20 EB 81 371 GETR3 JSR GETR1 ; get R1 first
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8209: 48 372 PHA ; save R1
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820A: 5A 373 PHY ; save Y
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===== Page 8 =====
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820B: A0 04 374 LDY #04 ; load counter
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820D: A9 FF 375 :LOOP LDA #DUMMY ; send dummy
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820F: 9D 80 C0 376 STA DATA,X
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8212: 3C 81 C0 377 :WAIT BIT CTRL,X
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8215: 10 FB 378 BPL :WAIT
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8217: BD 80 C0 379 LDA DATA,X
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821A: 48 380 PHA
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821B: 88 381 DEY
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821C: D0 EF 382 BNE :LOOP ; do 4 times
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821E: A4 3D 383 LDY SLOT
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8220: 68 384 PLA
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8221: 99 F8 05 385 STA R33,Y ; save R3
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8224: 68 386 PLA
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8225: 99 78 05 387 STA R32,Y
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8228: 68 388 PLA
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8229: 99 F8 04 389 STA R31,Y
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822C: 68 390 PLA
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822D: 99 78 04 391 STA R30,Y
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8230: 7A 392 PLY ; restore Y
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8231: A9 FF 393 LDA #DUMMY
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8233: 9D 80 C0 394 STA DATA,X ; send another dummy
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8236: 68 395 PLA ; restore R1
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8237: 60 396 RTS
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397
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398
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399 ********************************
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400 *
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401 * Calculate block address
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402 * Block no is in $46-47
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403 * Address is in R30-R33
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404 *
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405 ********************************
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406
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8238: DA 407 BLOCK PHX ; save X
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8239: 5A 408 PHY ; save Y
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823A: A6 3D 409 LDX SLOT
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823C: A5 46 410 LDA $46 ; store block num
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823E: 9D F8 05 411 STA R33,X ; in R30-R33
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8241: A5 47 412 LDA $47
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8243: 9D 78 05 413 STA R32,X
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8246: A9 00 414 LDA #0
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8248: 9D F8 04 415 STA R31,X
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824B: 9D 78 04 416 STA R30,X
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417
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824E: A0 09 418 LDY #9 ; ASL can't be used with Y
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8250: 1E F8 05 419 :LOOP ASL R33,X ; mul block num
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8253: 3E 78 05 420 ROL R32,X ; by 512 to get
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8256: 3E F8 04 421 ROL R31,X ; real address
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8259: 3E 78 04 422 ROL R30,X
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825C: 88 423 DEY
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825D: D0 F1 424 BNE :LOOP
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825F: 7A 425 PLY ; restore Y
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8260: FA 426 PLX ; restore X
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8261: 60 427 RTS
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428
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429
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430 ********************************
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===== Page 9 =====
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431 *
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432 * Send SD command
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433 * Cmd is in A
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434 *
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435 ********************************
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436
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8262: 5A 437 COMMAND PHY ; save Y
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8263: A4 3D 438 LDY SLOT
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8265: 9D 80 C0 439 STA DATA,X ; send command
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8268: 3C 81 C0 440 :WAIT BIT CTRL,X
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826B: 10 FB 441 BPL :WAIT
|
||
826D: B9 78 04 442 :ARG LDA R30,Y ; get arg from R30 on
|
||
8270: 9D 80 C0 443 STA DATA,X
|
||
8273: 3C 81 C0 444 :WAIT1 BIT CTRL,X
|
||
8276: 10 FB 445 BPL :WAIT1
|
||
8278: B9 F8 04 446 LDA R31,Y
|
||
827B: 9D 80 C0 447 STA DATA,X
|
||
827E: 3C 81 C0 448 :WAIT11 BIT CTRL,X
|
||
8281: 10 FB 449 BPL :WAIT11
|
||
8283: B9 78 05 450 LDA R32,Y
|
||
8286: 9D 80 C0 451 STA DATA,X
|
||
8289: 3C 81 C0 452 :WAIT12 BIT CTRL,X
|
||
828C: 10 FB 453 BPL :WAIT12
|
||
828E: B9 F8 05 454 LDA R33,Y
|
||
8291: 9D 80 C0 455 STA DATA,X
|
||
8294: 3C 81 C0 456 :WAIT13 BIT CTRL,X
|
||
8297: 10 FB 457 BPL :WAIT13
|
||
8299: A9 FF 458 LDA #DUMMY
|
||
829B: 9D 80 C0 459 STA DATA,X ; dummy crc
|
||
829E: 3C 81 C0 460 :WAIT2 BIT CTRL,X
|
||
82A1: 10 FB 461 BPL :WAIT2
|
||
82A3: 20 EB 81 462 JSR GETR1
|
||
82A6: 7A 463 PLY ; restore Y
|
||
82A7: 60 464 RTS
|
||
465
|
||
466
|
||
467 ********************************
|
||
468 *
|
||
469 * Status request
|
||
470 * $43 Unit number DSSS000
|
||
471 * $44-45 Unused
|
||
472 * $46-47 Unused
|
||
473 *
|
||
474 * C Clear - No error
|
||
475 * Set - Error
|
||
476 * A $00 - No error
|
||
477 * $27 - I/O error
|
||
478 * $28 - No card inserted / no init
|
||
479 * $2B - Card write protected
|
||
480 * x - Blocks avail (low byte)
|
||
481 * y - Blocks avail (high byte)
|
||
482 *
|
||
483 ********************************
|
||
484
|
||
82A8: 18 485 STATUS CLC ; no error
|
||
82A9: A9 00 486 LDA #0
|
||
82AB: A2 FF 487 LDX #$FF ; 32 MB partition
|
||
===== Page 10 =====
|
||
|
||
82AD: A0 FF 488 LDY #$FF
|
||
82AF: 60 489 RTS
|
||
490
|
||
491 * TODO: check for card detect and write protect!
|
||
492
|
||
493
|
||
494 ********************************
|
||
495 *
|
||
496 * Read 512 byte block
|
||
497 * $43 Unit number DSSS0000
|
||
498 * $44-45 Address (LO/HI) of buffer
|
||
499 * $46-47 Block number (LO/HI)
|
||
500 *
|
||
501 * C Clear - No error
|
||
502 * Set - Error
|
||
503 * A $00 - No error
|
||
504 * $27 - Bad block number
|
||
505 * $28 - No card inserted
|
||
506 *
|
||
507 ********************************
|
||
508
|
||
509 * TODO: check for card detect!
|
||
510
|
||
82B0: 20 38 82 511 READ JSR BLOCK ; calc block address
|
||
512
|
||
82B3: A9 0E 513 LDA #SS0 ; enable /CS
|
||
82B5: 9D 83 C0 514 STA SS,X
|
||
82B8: A9 51 515 LDA #$51 ; send CMD17
|
||
82BA: 20 62 82 516 JSR COMMAND ; send command
|
||
517
|
||
82BD: A9 FF 518 :GETTOK LDA #DUMMY ; get data token
|
||
82BF: 9D 80 C0 519 STA DATA,X
|
||
82C2: 3C 81 C0 520 :WAIT BIT CTRL,X
|
||
82C5: 10 FB 521 BPL :WAIT
|
||
82C7: BD 80 C0 522 LDA DATA,X ; get response
|
||
523 *
|
||
524 * TODO: check for error!
|
||
525 *
|
||
82CA: C9 FE 526 CMP #$FE
|
||
82CC: D0 EF 527 BNE :GETTOK ; wait for $FE
|
||
528
|
||
82CE: A0 02 529 LDY #2 ; read data from card
|
||
82D0: 64 3C 530 :LOOPY STZ WORK
|
||
82D2: A9 FF 531 :LOOPW LDA #DUMMY
|
||
82D4: 9D 80 C0 532 STA DATA,X
|
||
82D7: 3C 81 C0 533 :WAIT1 BIT CTRL,X
|
||
82DA: 10 FB 534 BPL :WAIT1
|
||
82DC: BD 80 C0 535 LDA DATA,X
|
||
82DF: 92 44 536 STA ($44)
|
||
82E1: E6 44 537 INC $44
|
||
82E3: D0 02 538 BNE :INW
|
||
82E5: E6 45 539 INC $45 ; inc msb on page boundary
|
||
82E7: E6 3C 540 :INW INC WORK
|
||
82E9: D0 E7 541 BNE :LOOPW
|
||
82EB: 88 542 DEY
|
||
82EC: D0 E2 543 BNE :LOOPY
|
||
544
|
||
===== Page 11 =====
|
||
|
||
82EE: 20 06 82 545 JSR GETR3 ; read 2 bytes crc
|
||
82F1: A9 0F 546 LDA #SSNONE
|
||
82F3: 9D 83 C0 547 STA SS,X ; disable /CS
|
||
82F6: 18 548 CLC ; no error
|
||
82F7: A9 00 549 LDA #$00
|
||
82F9: 60 550 RTS
|
||
551
|
||
552
|
||
553 ********************************
|
||
554 *
|
||
555 * Write 512 byte block
|
||
556 * $43 Unit number DSSS000
|
||
557 * $44-45 Address (LO/HI) of buffer
|
||
558 * $46-47 Block number (LO/HI)
|
||
559 *
|
||
560 * C Clear - No error
|
||
561 * Set - Error
|
||
562 * A $00 - No error
|
||
563 * $27 - I/O error or bad block number
|
||
564 * $28 - No card inserted
|
||
565 * $2B - Card write protected
|
||
566 *
|
||
567 ********************************
|
||
568
|
||
569 * TODO: check for card detect and write protect!
|
||
570
|
||
82FA: 20 38 82 571 WRITE JSR BLOCK ; calc block address
|
||
572
|
||
82FD: A9 0E 573 LDA #SS0 ; enable /CS
|
||
82FF: 9D 83 C0 574 STA SS,X
|
||
8302: A9 58 575 LDA #$58 ; send CMD24
|
||
8304: 20 62 82 576 JSR COMMAND ; send command
|
||
577
|
||
8307: A9 FF 578 LDA #DUMMY
|
||
8309: 9D 80 C0 579 STA DATA,X ; send dummy
|
||
830C: 3C 81 C0 580 :WAIT1 BIT CTRL,X
|
||
830F: 10 FB 581 BPL :WAIT1
|
||
8311: A9 FE 582 LDA #$FE
|
||
8313: 9D 80 C0 583 STA DATA,X ; send data token
|
||
8316: 3C 81 C0 584 :WAIT2 BIT CTRL,X
|
||
8319: 10 FB 585 BPL :WAIT2
|
||
586
|
||
831B: A0 02 587 LDY #2 ; send data to card
|
||
831D: 64 3C 588 :LOOPY STZ WORK
|
||
831F: B2 44 589 :LOOPW LDA ($44)
|
||
8321: 9D 80 C0 590 STA DATA,X
|
||
8324: 3C 81 C0 591 :WAIT3 BIT CTRL,X
|
||
8327: 10 FB 592 BPL :WAIT3
|
||
8329: E6 44 593 INC $44
|
||
832B: D0 02 594 BNE :INW
|
||
832D: E6 45 595 INC $45 ; inc msb on page boundary
|
||
832F: E6 3C 596 :INW INC WORK
|
||
8331: D0 EC 597 BNE :LOOPW
|
||
8333: 88 598 DEY
|
||
8334: D0 E7 599 BNE :LOOPY
|
||
600
|
||
8336: A0 02 601 LDY #2 ; send 2 dummy crc bytes
|
||
===== Page 12 =====
|
||
|
||
8338: 9D 80 C0 602 :CRC STA DATA,X
|
||
833B: 3C 81 C0 603 :WAIT4 BIT CTRL,X
|
||
833E: 10 FB 604 BPL :WAIT4
|
||
8340: 88 605 DEY
|
||
8341: D0 F5 606 BNE :CRC
|
||
607
|
||
8343: A9 FF 608 LDA #DUMMY ; get data response
|
||
8345: 9D 80 C0 609 STA DATA,X
|
||
8348: 3C 81 C0 610 :WAIT5 BIT CTRL,X
|
||
834B: 10 FB 611 BPL :WAIT5
|
||
834D: BD 80 C0 612 LDA DATA,X
|
||
8350: 29 1F 613 AND #$1F
|
||
8352: C9 05 614 CMP #$05
|
||
8354: D0 1A 615 BNE :ERROR ; check for write error
|
||
616
|
||
8356: A9 FF 617 :WAIT6 LDA #DUMMY ; wait for write cycle
|
||
8358: 9D 80 C0 618 STA DATA,X ; to complete
|
||
835B: 3C 81 C0 619 :WAIT61 BIT CTRL,X
|
||
835E: 10 FB 620 BPL :WAIT61
|
||
8360: BD 80 C0 621 LDA DATA,X
|
||
8363: C9 00 622 CMP #$00
|
||
8365: F0 EF 623 BEQ :WAIT6
|
||
624
|
||
8367: A9 0F 625 LDA #SSNONE ; disable /CS
|
||
8369: 9D 83 C0 626 STA SS,X
|
||
836C: 18 627 CLC ; no error
|
||
836D: A9 00 628 LDA #0
|
||
836F: 60 629 RTS
|
||
630
|
||
631 :ERROR
|
||
8370: A9 FF 632 :WAIT7 LDA #DUMMY ; wait for write cycle
|
||
8372: 9D 80 C0 633 STA DATA,X ; to complete
|
||
8375: 3C 81 C0 634 :WAIT71 BIT CTRL,X
|
||
8378: 10 FB 635 BPL :WAIT71
|
||
837A: BD 80 C0 636 LDA DATA,X
|
||
837D: C9 00 637 CMP #$00
|
||
837F: F0 EF 638 BEQ :WAIT7
|
||
8381: A9 0F 639 LDA #SSNONE
|
||
8383: 9D 83 C0 640 STA SS,X ; disable /CS
|
||
8386: 38 641 SEC ; an error occured
|
||
8387: A9 27 642 LDA #$27
|
||
8389: 60 643 RTS
|
||
644
|
||
645
|
||
646 ********************************
|
||
647 *
|
||
648 * Format
|
||
649 * not supported!
|
||
650 *
|
||
651 ********************************
|
||
652
|
||
838A: 38 653 FORMAT SEC
|
||
838B: A9 01 654 LDA #$01 ; invalid command
|
||
838D: 60 655 RTS
|
||
656
|
||
657
|
||
838E: 40 00 00 658 CMD0 HEX 400000
|
||
===== Page 13 =====
|
||
|
||
8391: 00 00 95 659 HEX 000095
|
||
8394: 41 00 00 660 CMD1 HEX 410000
|
||
8397: 00 00 F9 661 HEX 0000F9
|
||
839A: 48 00 00 662 CMD8 HEX 480000
|
||
839D: 01 AA 87 663 HEX 01AA87
|
||
83A0: 50 00 00 664 CMD16 HEX 500000
|
||
83A3: 02 00 FF 665 HEX 0200FF
|
||
83A6: 77 00 00 666 CMD55 HEX 770000
|
||
83A9: 00 00 65 667 HEX 000065
|
||
83AC: 69 40 00 668 ACMD4140 HEX 694000
|
||
83AF: 00 00 77 669 HEX 000077
|
||
83B2: 69 00 00 670 ACMD410 HEX 690000
|
||
83B5: 00 00 FF 671 HEX 0000FF
|
||
|
||
|
||
--End assembly, 952 bytes, Errors: 0
|
||
|
||
|
||
Symbol table - alphabetical order:
|
||
|
||
ACMD410 =$83B2 ACMD4140=$83AC BLOCK =$8238 CMD =$81D7
|
||
CMD0 =$838E CMD1 =$8394 CMD16 =$83A0 CMD55 =$83A6
|
||
CMD8 =$839A CMDHI =$41 CMDLO =$40 COMMAND =$8262
|
||
CTRL =$C081 CURSLOT =$07F8 DATA =$C080 DEBUG =$01
|
||
DIV =$C082 DRIVER =$805A DUMMY =$FF FORMAT =$838A
|
||
GETR1 =$81EB GETR3 =$8206 INIT =$8100 INSLP =$801F
|
||
INSLP2 =$8038 INSOUT =$8059 R30 =$0478 R31 =$04F8
|
||
R32 =$0578 R33 =$05F8 READ =$82B0 SLOT =$3D
|
||
SLOT16 =$2B SS =$C083 SS0 =$0E SSNONE =$0F
|
||
STATUS =$82A8 WORK =$3C WRITE =$82FA
|
||
|
||
|
||
Symbol table - numerical order:
|
||
|
||
DEBUG =$01 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 INSLP =$801F INSLP2 =$8038
|
||
INSOUT =$8059 DRIVER =$805A INIT =$8100 CMD =$81D7
|
||
GETR1 =$81EB GETR3 =$8206 BLOCK =$8238 COMMAND =$8262
|
||
STATUS =$82A8 READ =$82B0 WRITE =$82FA FORMAT =$838A
|
||
CMD0 =$838E CMD1 =$8394 CMD8 =$839A CMD16 =$83A0
|
||
CMD55 =$83A6 ACMD4140=$83AC ACMD410 =$83B2 DATA =$C080
|
||
CTRL =$C081 DIV =$C082 SS =$C083
|
||
|