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EOL Windows->UNIX
This commit is contained in:
U-Daniel-PC\Daniel
parent
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commit
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8 changed files with 489 additions and 489 deletions
624
home/serial.asm
624
home/serial.asm
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@ -1,312 +1,312 @@
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Serial:: ; 2125 (0:2125)
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push af
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push bc
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push de
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push hl
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ld a, [hSerialConnectionStatus]
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inc a
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jr z, .connectionNotYetEstablished
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ld a, [rSB]
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ld [hSerialReceiveData], a
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ld a, [hSerialSendData]
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ld [rSB], a
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ld a, [hSerialConnectionStatus]
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cp USING_INTERNAL_CLOCK
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jr z, .done
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; using external clock
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ld a, START_TRANSFER_EXTERNAL_CLOCK
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ld [rSC], a
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jr .done
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.connectionNotYetEstablished
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ld a, [rSB]
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ld [hSerialReceiveData], a
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ld [hSerialConnectionStatus], a
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cp USING_INTERNAL_CLOCK
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jr z, .usingInternalClock
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; using external clock
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xor a
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ld [rSB], a
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ld a, $3
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ld [rDIV], a
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.waitLoop
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ld a, [rDIV]
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bit 7, a
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jr nz, .waitLoop
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ld a, START_TRANSFER_EXTERNAL_CLOCK
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ld [rSC], a
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jr .done
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.usingInternalClock
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xor a
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ld [rSB], a
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.done
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ld a, $1
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ld [hSerialReceivedNewData], a
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ld a, SERIAL_NO_DATA_BYTE
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ld [hSerialSendData], a
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pop hl
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pop de
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pop bc
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pop af
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reti
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; hl = send data
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; de = receive data
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; bc = length of data
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Serial_ExchangeBytes:: ; 216f (0:216f)
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ld a, 1
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ld [hSerialIgnoringInitialData], a
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.loop
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ld a, [hl]
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ld [hSerialSendData], a
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call Serial_ExchangeByte
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push bc
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ld b, a
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inc hl
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ld a, 48
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.waitLoop
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dec a
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jr nz, .waitLoop
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ld a, [hSerialIgnoringInitialData]
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and a
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ld a, b
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pop bc
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jr z, .storeReceivedByte
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dec hl
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cp SERIAL_PREAMBLE_BYTE
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jr nz, .loop
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xor a
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ld [hSerialIgnoringInitialData], a
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jr .loop
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.storeReceivedByte
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ld [de], a
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inc de
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dec bc
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ld a, b
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or c
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jr nz, .loop
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ret
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Serial_ExchangeByte:: ; 219a (0:219a)
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xor a
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ld [hSerialReceivedNewData], a
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ld a, [hSerialConnectionStatus]
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cp USING_INTERNAL_CLOCK
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jr nz, .asm_21a7
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ld a, START_TRANSFER_INTERNAL_CLOCK
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ld [rSC], a
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.asm_21a7
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ld a, [hSerialReceivedNewData]
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and a
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jr nz, .asm_21f1
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ld a, [hSerialConnectionStatus]
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cp USING_EXTERNAL_CLOCK
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jr nz, .asm_21cc
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call IsUnknownCounterZero
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jr z, .asm_21cc
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call WaitLoop_15Iterations
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push hl
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ld hl, wUnknownSerialCounter + 1
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inc [hl]
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jr nz, .asm_21c3
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dec hl
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inc [hl]
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.asm_21c3
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pop hl
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call IsUnknownCounterZero
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jr nz, .asm_21a7
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jp SetUnknownCounterToFFFF
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.asm_21cc
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ld a, [rIE]
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and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
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cp (1 << SERIAL)
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jr nz, .asm_21a7
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ld a, [wUnknownSerialCounter2]
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dec a
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ld [wUnknownSerialCounter2], a
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jr nz, .asm_21a7
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ld a, [wUnknownSerialCounter2 + 1]
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dec a
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ld [wUnknownSerialCounter2 + 1], a
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jr nz, .asm_21a7
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ld a, [hSerialConnectionStatus]
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cp USING_EXTERNAL_CLOCK
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jr z, .asm_21f1
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ld a, 255
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.waitLoop
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dec a
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jr nz, .waitLoop
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.asm_21f1
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xor a
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ld [hSerialReceivedNewData], a
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ld a, [rIE]
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and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
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sub (1 << SERIAL)
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jr nz, .asm_2204
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ld [wUnknownSerialCounter2], a
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ld a, $50
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ld [wUnknownSerialCounter2 + 1], a
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.asm_2204
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ld a, [hSerialReceiveData]
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cp SERIAL_NO_DATA_BYTE
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ret nz
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call IsUnknownCounterZero
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jr z, .asm_221f
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push hl
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ld hl, wUnknownSerialCounter + 1
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ld a, [hl]
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dec a
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ld [hld], a
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inc a
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jr nz, .asm_2219
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dec [hl]
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.asm_2219
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pop hl
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call IsUnknownCounterZero
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jr z, SetUnknownCounterToFFFF
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.asm_221f
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ld a, [rIE]
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and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
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cp (1 << SERIAL)
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ld a, SERIAL_NO_DATA_BYTE
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ret z
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ld a, [hl]
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ld [hSerialSendData], a
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call DelayFrame
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jp Serial_ExchangeByte
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WaitLoop_15Iterations:: ; 2231 (0:2231)
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ld a, 15
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.waitLoop
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dec a
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jr nz, .waitLoop
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ret
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IsUnknownCounterZero:: ; 2237 (0:2237)
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push hl
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ld hl, wUnknownSerialCounter
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ld a, [hli]
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or [hl]
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pop hl
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ret
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; a is always 0 when this is called
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SetUnknownCounterToFFFF:: ; 223f (0:223f)
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dec a
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ld [wUnknownSerialCounter], a
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ld [wUnknownSerialCounter + 1], a
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ret
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; This is used to exchange the button press and selected menu item on the link menu.
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; The data is sent thrice and read twice to increase reliability.
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Serial_ExchangeLinkMenuSelection:: ; 2247 (0:2247)
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ld hl, wLinkMenuSelectionSendBuffer
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ld de, wLinkMenuSelectionReceiveBuffer
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ld c, 2 ; number of bytes to save
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ld a, 1
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ld [hSerialIgnoringInitialData], a
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.loop
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call DelayFrame
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ld a, [hl]
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ld [hSerialSendData], a
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call Serial_ExchangeByte
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ld b, a
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inc hl
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ld a, [hSerialIgnoringInitialData]
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and a
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ld a, 0
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ld [hSerialIgnoringInitialData], a
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jr nz, .loop
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ld a, b
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ld [de], a
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inc de
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dec c
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jr nz, .loop
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ret
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Serial_PrintWaitingTextAndSyncAndExchangeNybble:: ; 226e (0:226e)
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call SaveScreenTilesToBuffer1
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callab PrintWaitingText
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call Serial_SyncAndExchangeNybble
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jp LoadScreenTilesFromBuffer1
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Serial_SyncAndExchangeNybble:: ; 227f (0:227f)
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ld a, $ff
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ld [wSerialExchangeNybbleReceiveData], a
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.loop1
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call Serial_ExchangeNybble
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call DelayFrame
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call IsUnknownCounterZero
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jr z, .next1
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push hl
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ld hl, wUnknownSerialCounter + 1
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dec [hl]
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jr nz, .next2
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dec hl
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dec [hl]
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jr nz, .next2
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pop hl
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xor a
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jp SetUnknownCounterToFFFF
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.next2
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pop hl
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.next1
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ld a, [wSerialExchangeNybbleReceiveData]
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inc a
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jr z, .loop1
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ld b, 10
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.loop2
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call DelayFrame
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call Serial_ExchangeNybble
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dec b
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jr nz, .loop2
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ld b, 10
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.loop3
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call DelayFrame
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call Serial_SendZeroByte
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dec b
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jr nz, .loop3
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ld a, [wSerialExchangeNybbleReceiveData]
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ld [wSerialSyncAndExchangeNybbleReceiveData], a
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ret
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Serial_ExchangeNybble:: ; 22c3 (0:22c3)
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call .doExchange
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ld a, [wSerialExchangeNybbleSendData]
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add $60
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ld [hSerialSendData], a
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ld a, [hSerialConnectionStatus]
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cp USING_INTERNAL_CLOCK
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jr nz, .doExchange
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ld a, START_TRANSFER_INTERNAL_CLOCK
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ld [rSC], a
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.doExchange
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ld a, [hSerialReceiveData]
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ld [wSerialExchangeNybbleTempReceiveData], a
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and $f0
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cp $60
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ret nz
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xor a
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ld [hSerialReceiveData], a
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ld a, [wSerialExchangeNybbleTempReceiveData]
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and $f
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ld [wSerialExchangeNybbleReceiveData], a
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ret
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Serial_SendZeroByte:: ; 22ed (0:22ed)
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xor a
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ld [hSerialSendData], a
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ld a, [hSerialConnectionStatus]
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cp USING_INTERNAL_CLOCK
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ret nz
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ld a, START_TRANSFER_INTERNAL_CLOCK
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ld [rSC], a
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ret
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Serial_TryEstablishingExternallyClockedConnection:: ; 22fa (0:22fa)
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ld a, ESTABLISH_CONNECTION_WITH_EXTERNAL_CLOCK
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ld [rSB], a
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xor a
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ld [hSerialReceiveData], a
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ld a, START_TRANSFER_EXTERNAL_CLOCK
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ld [rSC], a
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ret
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Serial:: ; 2125 (0:2125)
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push af
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push bc
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push de
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push hl
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ld a, [hSerialConnectionStatus]
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inc a
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jr z, .connectionNotYetEstablished
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ld a, [rSB]
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ld [hSerialReceiveData], a
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ld a, [hSerialSendData]
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ld [rSB], a
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ld a, [hSerialConnectionStatus]
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cp USING_INTERNAL_CLOCK
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jr z, .done
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; using external clock
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ld a, START_TRANSFER_EXTERNAL_CLOCK
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ld [rSC], a
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jr .done
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.connectionNotYetEstablished
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ld a, [rSB]
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ld [hSerialReceiveData], a
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ld [hSerialConnectionStatus], a
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cp USING_INTERNAL_CLOCK
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jr z, .usingInternalClock
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; using external clock
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xor a
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ld [rSB], a
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ld a, $3
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ld [rDIV], a
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.waitLoop
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ld a, [rDIV]
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bit 7, a
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jr nz, .waitLoop
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ld a, START_TRANSFER_EXTERNAL_CLOCK
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ld [rSC], a
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jr .done
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.usingInternalClock
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xor a
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ld [rSB], a
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.done
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ld a, $1
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ld [hSerialReceivedNewData], a
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ld a, SERIAL_NO_DATA_BYTE
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ld [hSerialSendData], a
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pop hl
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pop de
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pop bc
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pop af
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reti
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; hl = send data
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; de = receive data
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; bc = length of data
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Serial_ExchangeBytes:: ; 216f (0:216f)
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ld a, 1
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ld [hSerialIgnoringInitialData], a
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.loop
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ld a, [hl]
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ld [hSerialSendData], a
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call Serial_ExchangeByte
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push bc
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ld b, a
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inc hl
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ld a, 48
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.waitLoop
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dec a
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jr nz, .waitLoop
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ld a, [hSerialIgnoringInitialData]
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and a
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ld a, b
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pop bc
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jr z, .storeReceivedByte
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dec hl
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cp SERIAL_PREAMBLE_BYTE
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jr nz, .loop
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xor a
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ld [hSerialIgnoringInitialData], a
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jr .loop
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.storeReceivedByte
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ld [de], a
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inc de
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dec bc
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ld a, b
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or c
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jr nz, .loop
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ret
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Serial_ExchangeByte:: ; 219a (0:219a)
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xor a
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ld [hSerialReceivedNewData], a
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ld a, [hSerialConnectionStatus]
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cp USING_INTERNAL_CLOCK
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jr nz, .asm_21a7
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ld a, START_TRANSFER_INTERNAL_CLOCK
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ld [rSC], a
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.asm_21a7
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ld a, [hSerialReceivedNewData]
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and a
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jr nz, .asm_21f1
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ld a, [hSerialConnectionStatus]
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cp USING_EXTERNAL_CLOCK
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jr nz, .asm_21cc
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call IsUnknownCounterZero
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jr z, .asm_21cc
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call WaitLoop_15Iterations
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push hl
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ld hl, wUnknownSerialCounter + 1
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inc [hl]
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jr nz, .asm_21c3
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dec hl
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inc [hl]
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.asm_21c3
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pop hl
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call IsUnknownCounterZero
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jr nz, .asm_21a7
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jp SetUnknownCounterToFFFF
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.asm_21cc
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ld a, [rIE]
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and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
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cp (1 << SERIAL)
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jr nz, .asm_21a7
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ld a, [wUnknownSerialCounter2]
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dec a
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ld [wUnknownSerialCounter2], a
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jr nz, .asm_21a7
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ld a, [wUnknownSerialCounter2 + 1]
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dec a
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ld [wUnknownSerialCounter2 + 1], a
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jr nz, .asm_21a7
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ld a, [hSerialConnectionStatus]
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cp USING_EXTERNAL_CLOCK
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jr z, .asm_21f1
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ld a, 255
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.waitLoop
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dec a
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jr nz, .waitLoop
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.asm_21f1
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xor a
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ld [hSerialReceivedNewData], a
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ld a, [rIE]
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and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
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sub (1 << SERIAL)
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jr nz, .asm_2204
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ld [wUnknownSerialCounter2], a
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ld a, $50
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ld [wUnknownSerialCounter2 + 1], a
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.asm_2204
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ld a, [hSerialReceiveData]
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cp SERIAL_NO_DATA_BYTE
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ret nz
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call IsUnknownCounterZero
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jr z, .asm_221f
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push hl
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ld hl, wUnknownSerialCounter + 1
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ld a, [hl]
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dec a
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ld [hld], a
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inc a
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jr nz, .asm_2219
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dec [hl]
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.asm_2219
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pop hl
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call IsUnknownCounterZero
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jr z, SetUnknownCounterToFFFF
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.asm_221f
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ld a, [rIE]
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and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
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cp (1 << SERIAL)
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ld a, SERIAL_NO_DATA_BYTE
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ret z
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ld a, [hl]
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ld [hSerialSendData], a
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call DelayFrame
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jp Serial_ExchangeByte
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WaitLoop_15Iterations:: ; 2231 (0:2231)
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ld a, 15
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.waitLoop
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dec a
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jr nz, .waitLoop
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ret
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IsUnknownCounterZero:: ; 2237 (0:2237)
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push hl
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ld hl, wUnknownSerialCounter
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ld a, [hli]
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or [hl]
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pop hl
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ret
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; a is always 0 when this is called
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SetUnknownCounterToFFFF:: ; 223f (0:223f)
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dec a
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ld [wUnknownSerialCounter], a
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||||
ld [wUnknownSerialCounter + 1], a
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||||
ret
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; This is used to exchange the button press and selected menu item on the link menu.
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||||
; The data is sent thrice and read twice to increase reliability.
|
||||
Serial_ExchangeLinkMenuSelection:: ; 2247 (0:2247)
|
||||
ld hl, wLinkMenuSelectionSendBuffer
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||||
ld de, wLinkMenuSelectionReceiveBuffer
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||||
ld c, 2 ; number of bytes to save
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||||
ld a, 1
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ld [hSerialIgnoringInitialData], a
|
||||
.loop
|
||||
call DelayFrame
|
||||
ld a, [hl]
|
||||
ld [hSerialSendData], a
|
||||
call Serial_ExchangeByte
|
||||
ld b, a
|
||||
inc hl
|
||||
ld a, [hSerialIgnoringInitialData]
|
||||
and a
|
||||
ld a, 0
|
||||
ld [hSerialIgnoringInitialData], a
|
||||
jr nz, .loop
|
||||
ld a, b
|
||||
ld [de], a
|
||||
inc de
|
||||
dec c
|
||||
jr nz, .loop
|
||||
ret
|
||||
|
||||
Serial_PrintWaitingTextAndSyncAndExchangeNybble:: ; 226e (0:226e)
|
||||
call SaveScreenTilesToBuffer1
|
||||
callab PrintWaitingText
|
||||
call Serial_SyncAndExchangeNybble
|
||||
jp LoadScreenTilesFromBuffer1
|
||||
|
||||
Serial_SyncAndExchangeNybble:: ; 227f (0:227f)
|
||||
ld a, $ff
|
||||
ld [wSerialExchangeNybbleReceiveData], a
|
||||
.loop1
|
||||
call Serial_ExchangeNybble
|
||||
call DelayFrame
|
||||
call IsUnknownCounterZero
|
||||
jr z, .next1
|
||||
push hl
|
||||
ld hl, wUnknownSerialCounter + 1
|
||||
dec [hl]
|
||||
jr nz, .next2
|
||||
dec hl
|
||||
dec [hl]
|
||||
jr nz, .next2
|
||||
pop hl
|
||||
xor a
|
||||
jp SetUnknownCounterToFFFF
|
||||
.next2
|
||||
pop hl
|
||||
.next1
|
||||
ld a, [wSerialExchangeNybbleReceiveData]
|
||||
inc a
|
||||
jr z, .loop1
|
||||
ld b, 10
|
||||
.loop2
|
||||
call DelayFrame
|
||||
call Serial_ExchangeNybble
|
||||
dec b
|
||||
jr nz, .loop2
|
||||
ld b, 10
|
||||
.loop3
|
||||
call DelayFrame
|
||||
call Serial_SendZeroByte
|
||||
dec b
|
||||
jr nz, .loop3
|
||||
ld a, [wSerialExchangeNybbleReceiveData]
|
||||
ld [wSerialSyncAndExchangeNybbleReceiveData], a
|
||||
ret
|
||||
|
||||
Serial_ExchangeNybble:: ; 22c3 (0:22c3)
|
||||
call .doExchange
|
||||
ld a, [wSerialExchangeNybbleSendData]
|
||||
add $60
|
||||
ld [hSerialSendData], a
|
||||
ld a, [hSerialConnectionStatus]
|
||||
cp USING_INTERNAL_CLOCK
|
||||
jr nz, .doExchange
|
||||
ld a, START_TRANSFER_INTERNAL_CLOCK
|
||||
ld [rSC], a
|
||||
.doExchange
|
||||
ld a, [hSerialReceiveData]
|
||||
ld [wSerialExchangeNybbleTempReceiveData], a
|
||||
and $f0
|
||||
cp $60
|
||||
ret nz
|
||||
xor a
|
||||
ld [hSerialReceiveData], a
|
||||
ld a, [wSerialExchangeNybbleTempReceiveData]
|
||||
and $f
|
||||
ld [wSerialExchangeNybbleReceiveData], a
|
||||
ret
|
||||
|
||||
Serial_SendZeroByte:: ; 22ed (0:22ed)
|
||||
xor a
|
||||
ld [hSerialSendData], a
|
||||
ld a, [hSerialConnectionStatus]
|
||||
cp USING_INTERNAL_CLOCK
|
||||
ret nz
|
||||
ld a, START_TRANSFER_INTERNAL_CLOCK
|
||||
ld [rSC], a
|
||||
ret
|
||||
|
||||
Serial_TryEstablishingExternallyClockedConnection:: ; 22fa (0:22fa)
|
||||
ld a, ESTABLISH_CONNECTION_WITH_EXTERNAL_CLOCK
|
||||
ld [rSB], a
|
||||
xor a
|
||||
ld [hSerialReceiveData], a
|
||||
ld a, START_TRANSFER_EXTERNAL_CLOCK
|
||||
ld [rSC], a
|
||||
ret
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue