mirror of
https://github.com/freitz85/AppleIISd.git
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Fix for non-SDHC SDV2
This commit is contained in:
Unknown
Florian Reitz
parent
0b33b5d385
commit
4cd6a76790
BIN
AppleIISd.bin
BIN
AppleIISd.bin
Binary file not shown.
112
AppleIISd.hex
112
AppleIISd.hex
@ -1,71 +1,71 @@
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@ -1,7 +1,7 @@
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;*******************************
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;*******************************
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;
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;
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; Apple][Sd Firmware
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; Apple][Sd Firmware
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; Version 1.0
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; Version 1.1
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;
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;
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; (c) Florian Reitz, 2017
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; (c) Florian Reitz, 2017
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;
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;
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@ -162,6 +162,8 @@ INITED = $80
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;*******************************
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;*******************************
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.else
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.else
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;@BOOT: CMP #0
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; BNE @NEXTSLOT ; init not successful
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@BOOT: LDA #$01
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@BOOT: LDA #$01
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STA DCMD ; load command
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STA DCMD ; load command
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LDX SLOT16
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LDX SLOT16
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@ -288,13 +290,24 @@ DRIVER: CLD
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RTS
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RTS
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;*******************************
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;
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; Signature bytes
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; Signature bytes
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;
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; 65535 blocks
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; Removable media
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; Non-interruptable
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; 2 drives
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; Read, write and status allowed
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;
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;*******************************
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.segment "SLOTID"
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.segment "SLOTID"
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.dbyt $FFFF ; 65535 blocks
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.dbyt $FFFF ; 65535 blocks
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.byt $97 ; Status bits
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.byt $97 ; Status bits
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.byt <DRIVER ; LSB of driver
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.byt <DRIVER ; LSB of driver
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;*******************************
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;*******************************
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;
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;
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; Initialize SD card
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; Initialize SD card
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@ -341,18 +354,22 @@ INIT: LDA #$03 ; set SPI mode 3
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LDA #>CMD8
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LDA #>CMD8
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STA CMDHI
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STA CMDHI
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JSR SDCMD
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JSR SDCMD
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JSR GETR3
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JSR GETR3 ; R7 is also 1+4 bytes
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CMP #$01
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CMP #$01
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BNE @SDV1 ; may be SD Ver. 1
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BNE @SDV1 ; may be SD Ver. 1
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; check for $01aa match!
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LDY SLOT ; check for $aa in R33
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LDA R33,Y
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CMP #$AA
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BNE @ERROR1 ; error!
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@SDV2: LDA #<CMD55
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@SDV2: LDA #<CMD55
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STA CMDLO
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STA CMDLO
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LDA #>CMD55
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LDA #>CMD55
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STA CMDHI
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STA CMDHI
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JSR SDCMD
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JSR SDCMD
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JSR GETR1
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JSR GETR1
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LDA #<ACMD4140
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LDA #<ACMD4140 ; enable SDHC support
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STA CMDLO
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STA CMDLO
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LDA #>ACMD4140
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LDA #>ACMD4140
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STA CMDHI
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STA CMDHI
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@ -362,12 +379,25 @@ INIT: LDA #$03 ; set SPI mode 3
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BEQ @SDV2 ; wait for ready
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BEQ @SDV2 ; wait for ready
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CMP #0
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CMP #0
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BNE @ERROR1 ; error!
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BNE @ERROR1 ; error!
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; send CMD58
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; SD Ver. 2 initialized!
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; SD Ver. 2 initialized!
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LDA SS,X
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LDA #<CMD58 ; check for SDHC
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STA CMDLO
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LDA #>CMD58
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STA CMDHI
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JSR SDCMD
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JSR GETR3
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CMP #0
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BNE @ERROR1 ; error!
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LDY SLOT
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LDA R30,Y
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AND #$40 ; check CCS
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BEQ @BLOCKSZ
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LDA SS,X ; card is SDHC
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ORA #SDHC
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ORA #SDHC
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STA SS,X
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STA SS,X
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JMP @BLOCKSZ
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JMP @END
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@ERROR1: JMP @IOERROR ; needed for far jump
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@ERROR1: JMP @IOERROR ; needed for far jump
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@ -473,7 +503,7 @@ GETR1: LDA #DUMMY
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;*******************************
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;*******************************
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;
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;
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; Get R3
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; Get R3 or R7
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; R1 is in A
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; R1 is in A
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; R3 is in scratchpad ram
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; R3 is in scratchpad ram
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;
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;
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@ -483,6 +513,7 @@ GETR3: JSR GETR1 ; get R1 first
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PHA ; save R1
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PHA ; save R1
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PHY ; save Y
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PHY ; save Y
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LDY #04 ; load counter
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LDY #04 ; load counter
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JMP @WAIT ; first byte is already there
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@LOOP: LDA #DUMMY ; send dummy
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@LOOP: LDA #DUMMY ; send dummy
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STA DATA,X
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STA DATA,X
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@WAIT: BIT CTRL,X
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@WAIT: BIT CTRL,X
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@ -499,7 +530,7 @@ GETR3: JSR GETR1 ; get R1 first
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PLA
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PLA
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STA R31,Y
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STA R31,Y
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PLA
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PLA
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STA R30,Y
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STA R30,Y ; R30 is MSB
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PLY ; restore Y
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PLY ; restore Y
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LDA #DUMMY
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LDA #DUMMY
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STA DATA,X ; send another dummy
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STA DATA,X ; send another dummy
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@ -869,7 +900,7 @@ TEST: LDA SLOT16
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.endif
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.endif
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TEXT: .asciiz " Apple][Sd v1.0 (c)2017 Florian Reitz"
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TEXT: .asciiz " Apple][Sd v1.1 (c)2017 Florian Reitz"
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CMD0: .byt $40, $00, $00
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CMD0: .byt $40, $00, $00
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.byt $00, $00, $95
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.byt $00, $00, $95
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@ -880,7 +911,9 @@ CMD8: .byt $48, $00, $00
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CMD16: .byt $50, $00, $00
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CMD16: .byt $50, $00, $00
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.byt $02, $00, $FF
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.byt $02, $00, $FF
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CMD55: .byt $77, $00, $00
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CMD55: .byt $77, $00, $00
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.byt $00, $00, $65
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.byt $00, $00, $FF
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CMD58: .byt $7A, $00, $00
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.byt $00, $00, $FF
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ACMD4140: .byt $69, $40, $00
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ACMD4140: .byt $69, $40, $00
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.byt $00, $00, $77
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.byt $00, $00, $77
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ACMD410: .byt $69, $00, $00
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ACMD410: .byt $69, $00, $00
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