EOL Windows->UNIX

1 files changed, 312 insertions, 312 deletions

diff --git a/home/serial.asm b/home/serial.asm
index 86d74040..1f0146d9 100644
--- a/home/serial.asm
+++ b/home/serial.asm
@@ -1,312 +1,312 @@
-Serial:: ; 2125 (0:2125)

-	push af

-	push bc

-	push de

-	push hl

-	ld a, [hSerialConnectionStatus]

-	inc a

-	jr z, .connectionNotYetEstablished

-	ld a, [rSB]

-	ld [hSerialReceiveData], a

-	ld a, [hSerialSendData]

-	ld [rSB], a

-	ld a, [hSerialConnectionStatus]

-	cp USING_INTERNAL_CLOCK

-	jr z, .done

-; using external clock

-	ld a, START_TRANSFER_EXTERNAL_CLOCK

-	ld [rSC], a

-	jr .done

-.connectionNotYetEstablished

-	ld a, [rSB]

-	ld [hSerialReceiveData], a

-	ld [hSerialConnectionStatus], a

-	cp USING_INTERNAL_CLOCK

-	jr z, .usingInternalClock

-; using external clock

-	xor a

-	ld [rSB], a

-	ld a, $3

-	ld [rDIV], a

-.waitLoop

-	ld a, [rDIV]

-	bit 7, a

-	jr nz, .waitLoop

-	ld a, START_TRANSFER_EXTERNAL_CLOCK

-	ld [rSC], a

-	jr .done

-.usingInternalClock

-	xor a

-	ld [rSB], a

-.done

-	ld a, $1

-	ld [hSerialReceivedNewData], a

-	ld a, SERIAL_NO_DATA_BYTE

-	ld [hSerialSendData], a

-	pop hl

-	pop de

-	pop bc

-	pop af

-	reti

-

-; hl = send data

-; de = receive data

-; bc = length of data

-Serial_ExchangeBytes:: ; 216f (0:216f)

-	ld a, 1

-	ld [hSerialIgnoringInitialData], a

-.loop

-	ld a, [hl]

-	ld [hSerialSendData], a

-	call Serial_ExchangeByte

-	push bc

-	ld b, a

-	inc hl

-	ld a, 48

-.waitLoop

-	dec a

-	jr nz, .waitLoop

-	ld a, [hSerialIgnoringInitialData]

-	and a

-	ld a, b

-	pop bc

-	jr z, .storeReceivedByte

-	dec hl

-	cp SERIAL_PREAMBLE_BYTE

-	jr nz, .loop

-	xor a

-	ld [hSerialIgnoringInitialData], a

-	jr .loop

-.storeReceivedByte

-	ld [de], a

-	inc de

-	dec bc

-	ld a, b

-	or c

-	jr nz, .loop

-	ret

-

-Serial_ExchangeByte:: ; 219a (0:219a)

-	xor a

-	ld [hSerialReceivedNewData], a

-	ld a, [hSerialConnectionStatus]

-	cp USING_INTERNAL_CLOCK

-	jr nz, .asm_21a7

-	ld a, START_TRANSFER_INTERNAL_CLOCK

-	ld [rSC], a

-.asm_21a7

-	ld a, [hSerialReceivedNewData]

-	and a

-	jr nz, .asm_21f1

-	ld a, [hSerialConnectionStatus]

-	cp USING_EXTERNAL_CLOCK

-	jr nz, .asm_21cc

-	call IsUnknownCounterZero

-	jr z, .asm_21cc

-	call WaitLoop_15Iterations

-	push hl

-	ld hl, wUnknownSerialCounter + 1

-	inc [hl]

-	jr nz, .asm_21c3

-	dec hl

-	inc [hl]

-.asm_21c3

-	pop hl

-	call IsUnknownCounterZero

-	jr nz, .asm_21a7

-	jp SetUnknownCounterToFFFF

-.asm_21cc

-	ld a, [rIE]

-	and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)

-	cp (1 << SERIAL)

-	jr nz, .asm_21a7

-	ld a, [wUnknownSerialCounter2]

-	dec a

-	ld [wUnknownSerialCounter2], a

-	jr nz, .asm_21a7

-	ld a, [wUnknownSerialCounter2 + 1]

-	dec a

-	ld [wUnknownSerialCounter2 + 1], a

-	jr nz, .asm_21a7

-	ld a, [hSerialConnectionStatus]

-	cp USING_EXTERNAL_CLOCK

-	jr z, .asm_21f1

-	ld a, 255

-.waitLoop

-	dec a

-	jr nz, .waitLoop

-.asm_21f1

-	xor a

-	ld [hSerialReceivedNewData], a

-	ld a, [rIE]

-	and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)

-	sub (1 << SERIAL)

-	jr nz, .asm_2204

-	ld [wUnknownSerialCounter2], a

-	ld a, $50

-	ld [wUnknownSerialCounter2 + 1], a

-.asm_2204

-	ld a, [hSerialReceiveData]

-	cp SERIAL_NO_DATA_BYTE

-	ret nz

-	call IsUnknownCounterZero

-	jr z, .asm_221f

-	push hl

-	ld hl, wUnknownSerialCounter + 1

-	ld a, [hl]

-	dec a

-	ld [hld], a

-	inc a

-	jr nz, .asm_2219

-	dec [hl]

-.asm_2219

-	pop hl

-	call IsUnknownCounterZero

-	jr z, SetUnknownCounterToFFFF

-.asm_221f

-	ld a, [rIE]

-	and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)

-	cp (1 << SERIAL)

-	ld a, SERIAL_NO_DATA_BYTE

-	ret z

-	ld a, [hl]

-	ld [hSerialSendData], a

-	call DelayFrame

-	jp Serial_ExchangeByte

-

-WaitLoop_15Iterations:: ; 2231 (0:2231)

-	ld a, 15

-.waitLoop

-	dec a

-	jr nz, .waitLoop

-	ret

-

-IsUnknownCounterZero:: ; 2237 (0:2237)

-	push hl

-	ld hl, wUnknownSerialCounter

-	ld a, [hli]

-	or [hl]

-	pop hl

-	ret

-

-; a is always 0 when this is called

-SetUnknownCounterToFFFF:: ; 223f (0:223f)

-	dec a

-	ld [wUnknownSerialCounter], a

-	ld [wUnknownSerialCounter + 1], a

-	ret

-

-; This is used to exchange the button press and selected menu item on the link menu.

-; The data is sent thrice and read twice to increase reliability.

-Serial_ExchangeLinkMenuSelection:: ; 2247 (0:2247)

-	ld hl, wLinkMenuSelectionSendBuffer

-	ld de, wLinkMenuSelectionReceiveBuffer

-	ld c, 2 ; number of bytes to save

-	ld a, 1

-	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
\ No newline at end of file
+Serial:: ; 2125 (0:2125)
+	push af
+	push bc
+	push de
+	push hl
+	ld a, [hSerialConnectionStatus]
+	inc a
+	jr z, .connectionNotYetEstablished
+	ld a, [rSB]
+	ld [hSerialReceiveData], a
+	ld a, [hSerialSendData]
+	ld [rSB], a
+	ld a, [hSerialConnectionStatus]
+	cp USING_INTERNAL_CLOCK
+	jr z, .done
+; using external clock
+	ld a, START_TRANSFER_EXTERNAL_CLOCK
+	ld [rSC], a
+	jr .done
+.connectionNotYetEstablished
+	ld a, [rSB]
+	ld [hSerialReceiveData], a
+	ld [hSerialConnectionStatus], a
+	cp USING_INTERNAL_CLOCK
+	jr z, .usingInternalClock
+; using external clock
+	xor a
+	ld [rSB], a
+	ld a, $3
+	ld [rDIV], a
+.waitLoop
+	ld a, [rDIV]
+	bit 7, a
+	jr nz, .waitLoop
+	ld a, START_TRANSFER_EXTERNAL_CLOCK
+	ld [rSC], a
+	jr .done
+.usingInternalClock
+	xor a
+	ld [rSB], a
+.done
+	ld a, $1
+	ld [hSerialReceivedNewData], a
+	ld a, SERIAL_NO_DATA_BYTE
+	ld [hSerialSendData], a
+	pop hl
+	pop de
+	pop bc
+	pop af
+	reti
+
+; hl = send data
+; de = receive data
+; bc = length of data
+Serial_ExchangeBytes:: ; 216f (0:216f)
+	ld a, 1
+	ld [hSerialIgnoringInitialData], a
+.loop
+	ld a, [hl]
+	ld [hSerialSendData], a
+	call Serial_ExchangeByte
+	push bc
+	ld b, a
+	inc hl
+	ld a, 48
+.waitLoop
+	dec a
+	jr nz, .waitLoop
+	ld a, [hSerialIgnoringInitialData]
+	and a
+	ld a, b
+	pop bc
+	jr z, .storeReceivedByte
+	dec hl
+	cp SERIAL_PREAMBLE_BYTE
+	jr nz, .loop
+	xor a
+	ld [hSerialIgnoringInitialData], a
+	jr .loop
+.storeReceivedByte
+	ld [de], a
+	inc de
+	dec bc
+	ld a, b
+	or c
+	jr nz, .loop
+	ret
+
+Serial_ExchangeByte:: ; 219a (0:219a)
+	xor a
+	ld [hSerialReceivedNewData], a
+	ld a, [hSerialConnectionStatus]
+	cp USING_INTERNAL_CLOCK
+	jr nz, .asm_21a7
+	ld a, START_TRANSFER_INTERNAL_CLOCK
+	ld [rSC], a
+.asm_21a7
+	ld a, [hSerialReceivedNewData]
+	and a
+	jr nz, .asm_21f1
+	ld a, [hSerialConnectionStatus]
+	cp USING_EXTERNAL_CLOCK
+	jr nz, .asm_21cc
+	call IsUnknownCounterZero
+	jr z, .asm_21cc
+	call WaitLoop_15Iterations
+	push hl
+	ld hl, wUnknownSerialCounter + 1
+	inc [hl]
+	jr nz, .asm_21c3
+	dec hl
+	inc [hl]
+.asm_21c3
+	pop hl
+	call IsUnknownCounterZero
+	jr nz, .asm_21a7
+	jp SetUnknownCounterToFFFF
+.asm_21cc
+	ld a, [rIE]
+	and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
+	cp (1 << SERIAL)
+	jr nz, .asm_21a7
+	ld a, [wUnknownSerialCounter2]
+	dec a
+	ld [wUnknownSerialCounter2], a
+	jr nz, .asm_21a7
+	ld a, [wUnknownSerialCounter2 + 1]
+	dec a
+	ld [wUnknownSerialCounter2 + 1], a
+	jr nz, .asm_21a7
+	ld a, [hSerialConnectionStatus]
+	cp USING_EXTERNAL_CLOCK
+	jr z, .asm_21f1
+	ld a, 255
+.waitLoop
+	dec a
+	jr nz, .waitLoop
+.asm_21f1
+	xor a
+	ld [hSerialReceivedNewData], a
+	ld a, [rIE]
+	and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
+	sub (1 << SERIAL)
+	jr nz, .asm_2204
+	ld [wUnknownSerialCounter2], a
+	ld a, $50
+	ld [wUnknownSerialCounter2 + 1], a
+.asm_2204
+	ld a, [hSerialReceiveData]
+	cp SERIAL_NO_DATA_BYTE
+	ret nz
+	call IsUnknownCounterZero
+	jr z, .asm_221f
+	push hl
+	ld hl, wUnknownSerialCounter + 1
+	ld a, [hl]
+	dec a
+	ld [hld], a
+	inc a
+	jr nz, .asm_2219
+	dec [hl]
+.asm_2219
+	pop hl
+	call IsUnknownCounterZero
+	jr z, SetUnknownCounterToFFFF
+.asm_221f
+	ld a, [rIE]
+	and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK)
+	cp (1 << SERIAL)
+	ld a, SERIAL_NO_DATA_BYTE
+	ret z
+	ld a, [hl]
+	ld [hSerialSendData], a
+	call DelayFrame
+	jp Serial_ExchangeByte
+
+WaitLoop_15Iterations:: ; 2231 (0:2231)
+	ld a, 15
+.waitLoop
+	dec a
+	jr nz, .waitLoop
+	ret
+
+IsUnknownCounterZero:: ; 2237 (0:2237)
+	push hl
+	ld hl, wUnknownSerialCounter
+	ld a, [hli]
+	or [hl]
+	pop hl
+	ret
+
+; a is always 0 when this is called
+SetUnknownCounterToFFFF:: ; 223f (0:223f)
+	dec a
+	ld [wUnknownSerialCounter], a
+	ld [wUnknownSerialCounter + 1], a
+	ret
+
+; This is used to exchange the button press and selected menu item on the link menu.
+; The data is sent thrice and read twice to increase reliability.
+Serial_ExchangeLinkMenuSelection:: ; 2247 (0:2247)
+	ld hl, wLinkMenuSelectionSendBuffer
+	ld de, wLinkMenuSelectionReceiveBuffer
+	ld c, 2 ; number of bytes to save
+	ld a, 1
+	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