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3 Commits
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@ -1,7 +1,7 @@
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;*******************************
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;
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; Apple][Sd Firmware
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; Version 1.2.2
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; Version 1.2.3
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; Defines
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;
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; (c) Florian Reitz, 2017 - 2021
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@ -1,7 +1,7 @@
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;*******************************
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;
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; Apple][Sd Firmware
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; Version 1.2.2
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; Version 1.2.3
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; Main source
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;
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; (c) Florian Reitz, 2017 - 2021
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@ -86,7 +86,7 @@
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LDA #197
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JSR $FCA8 ; wait for 100 ms
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@OAPPLE: BIT OAPPLE ; check for OA key
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@OAPPLE: LDA OAPPLE ; check for OA key
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BPL @INIT ; and skip boot if pressed
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@NEXTSLOT: LDA CURSLOT ; skip boot when no card
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@ -110,6 +110,8 @@
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STZ BUFFER ; buffer lo
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STZ BLOCKNUM+1 ; block hi
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STZ BLOCKNUM ; block lo
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LDA SLOT16
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STA DSNUMBER ; set to current slot
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JSR READ
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BCS @NEXTSLOT ; load not successful
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@ -224,10 +226,10 @@ INIT: STZ CTRL,X ; reset SPI controller
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LDA #SS0 ; set CS high
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STA SS,X
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LDY #10
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LDA #DUMMY
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@LOOP: STA DATA,X
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@WAIT: BIT CTRL,X
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@LOOP: LDA #DUMMY
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STA DATA,X
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@WAIT: LDA CTRL,X ; wait for TC (bit 7) to get high
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BPL @WAIT
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DEY
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BNE @LOOP ; do 10 times
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@ -1,7 +1,7 @@
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;*******************************
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;
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; Apple][Sd Firmware
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; Version 1.2.2
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; Version 1.2.3
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; Helper functions
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;
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; (c) Florian Reitz, 2017 - 2021
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@ -36,7 +36,7 @@ SDCMD: PHY
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LDY #0
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@LOOP: LDA (CMDLO),Y
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STA DATA,X
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@WAIT: BIT CTRL,X ; TC is in N
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@WAIT: LDA CTRL,X ; TC is in N
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BPL @WAIT
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INY
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CPY #6
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@ -54,7 +54,7 @@ SDCMD: PHY
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GETR1: LDA #DUMMY
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STA DATA,X
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@WAIT: BIT CTRL,X
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@WAIT: LDA CTRL,X
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BPL @WAIT
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LDA DATA,X ; get response
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BMI GETR1 ; wait for MSB=0
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@ -79,7 +79,7 @@ GETR3: JSR GETR1 ; get R1 first
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JMP @WAIT ; first byte is already there
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@LOOP: LDA #DUMMY ; send dummy
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STA DATA,X
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@WAIT: BIT CTRL,X
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@WAIT: LDA CTRL,X
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BPL @WAIT
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LDA DATA,X
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PHA
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@ -128,7 +128,7 @@ GETBLOCK: PHX ; save X
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LDA #2 ; it is a phantom slot
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STA R31,X
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@DRIVE: BIT DSNUMBER ; drive number
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@DRIVE: LDA DSNUMBER ; drive number
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BPL @SDHC ; D1
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LDA R31,X ; D2
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INC A
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@ -1,7 +1,7 @@
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;*******************************
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;
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; Apple][Sd Firmware
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; Version 1.2.2
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; Version 1.2.3
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; ProDOS functions
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;
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; (c) Florian Reitz, 2017 - 2021
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@ -1,7 +1,7 @@
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;*******************************
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;
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; Apple][Sd Firmware
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; Version 1.2.2
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; Version 1.2.3
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; Smartport functions
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;
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; (c) Florian Reitz, 2017 - 2021
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@ -95,7 +95,7 @@ SMARTPORT: LDY #SMZPSIZE-1 ; save zeropage area for Smarport
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BCC @RESTZP
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TXA
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;warum feste anzahl an bytes für return wert?
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;warum feste anzahl an bytes f<EFBFBD>r return wert?
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LDY #2 ; highbyte of # bytes transferred
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LDX #0 ; low byte of # bytes transferred
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;warum wird mit #1 verglichen?
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