diff options
Diffstat (limited to 'home/serial.asm')
| -rw-r--r-- | home/serial.asm | 69 |
1 files changed, 40 insertions, 29 deletions
diff --git a/home/serial.asm b/home/serial.asm index 1f0146d9..3c5c343b 100644 --- a/home/serial.asm +++ b/home/serial.asm @@ -1,8 +1,11 @@ -Serial:: ; 2125 (0:2125) +Serial:: ; 1f78 (0:1f78) push af push bc push de push hl + ld a, [wUnknownSerialFlag_d49a] + bit 0,a + jp nz,Func_2162 ld a, [hSerialConnectionStatus] inc a jr z, .connectionNotYetEstablished @@ -86,84 +89,84 @@ Serial_ExchangeBytes:: ; 216f (0:216f) jr nz, .loop ret -Serial_ExchangeByte:: ; 219a (0:219a) +Serial_ExchangeByte:: ; 1ff6 (0:1ff6) xor a ld [hSerialReceivedNewData], a ld a, [hSerialConnectionStatus] cp USING_INTERNAL_CLOCK - jr nz, .asm_21a7 + jr nz, .asm_2003 ld a, START_TRANSFER_INTERNAL_CLOCK ld [rSC], a -.asm_21a7 +.asm_2003 ld a, [hSerialReceivedNewData] and a - jr nz, .asm_21f1 + jr nz, .asm_204d ld a, [hSerialConnectionStatus] cp USING_EXTERNAL_CLOCK - jr nz, .asm_21cc + jr nz, .asm_2028 call IsUnknownCounterZero - jr z, .asm_21cc + jr z, .asm_2028 call WaitLoop_15Iterations push hl ld hl, wUnknownSerialCounter + 1 inc [hl] - jr nz, .asm_21c3 + jr nz, .asm_201f dec hl inc [hl] -.asm_21c3 +.asm_201f pop hl call IsUnknownCounterZero - jr nz, .asm_21a7 + jr nz, .asm_2003 jp SetUnknownCounterToFFFF -.asm_21cc +.asm_2028 ld a, [rIE] and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK) cp (1 << SERIAL) - jr nz, .asm_21a7 + jr nz, .asm_2003 ld a, [wUnknownSerialCounter2] dec a ld [wUnknownSerialCounter2], a - jr nz, .asm_21a7 + jr nz, .asm_2003 ld a, [wUnknownSerialCounter2 + 1] dec a ld [wUnknownSerialCounter2 + 1], a - jr nz, .asm_21a7 + jr nz, .asm_2003 ld a, [hSerialConnectionStatus] cp USING_EXTERNAL_CLOCK - jr z, .asm_21f1 + jr z, .asm_204d ld a, 255 .waitLoop dec a jr nz, .waitLoop -.asm_21f1 +.asm_204d 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 + jr nz, .asm_2060 ld [wUnknownSerialCounter2], a ld a, $50 ld [wUnknownSerialCounter2 + 1], a -.asm_2204 +.asm_2060 ld a, [hSerialReceiveData] cp SERIAL_NO_DATA_BYTE ret nz call IsUnknownCounterZero - jr z, .asm_221f + jr z, .asm_207b push hl ld hl, wUnknownSerialCounter + 1 ld a, [hl] dec a ld [hld], a inc a - jr nz, .asm_2219 + jr nz, .asm_2075 dec [hl] -.asm_2219 +.asm_2075 pop hl call IsUnknownCounterZero jr z, SetUnknownCounterToFFFF -.asm_221f +.asm_207b ld a, [rIE] and (1 << SERIAL) | (1 << TIMER) | (1 << LCD_STAT) | (1 << VBLANK) cp (1 << SERIAL) @@ -174,14 +177,14 @@ Serial_ExchangeByte:: ; 219a (0:219a) call DelayFrame jp Serial_ExchangeByte -WaitLoop_15Iterations:: ; 2231 (0:2231) +WaitLoop_15Iterations:: ; 208d (0:208d) ld a, 15 .waitLoop dec a jr nz, .waitLoop ret -IsUnknownCounterZero:: ; 2237 (0:2237) +IsUnknownCounterZero:: ; 2093 (0:2093) push hl ld hl, wUnknownSerialCounter ld a, [hli] @@ -190,7 +193,7 @@ IsUnknownCounterZero:: ; 2237 (0:2237) ret ; a is always 0 when this is called -SetUnknownCounterToFFFF:: ; 223f (0:223f) +SetUnknownCounterToFFFF:: ; 209b (0:209b) dec a ld [wUnknownSerialCounter], a ld [wUnknownSerialCounter + 1], a @@ -223,9 +226,9 @@ Serial_ExchangeLinkMenuSelection:: ; 2247 (0:2247) jr nz, .loop ret -Serial_PrintWaitingTextAndSyncAndExchangeNybble:: ; 226e (0:226e) +Serial_PrintWaitingTextAndSyncAndExchangeNybble:: ; 20ca (0:20ca) call SaveScreenTilesToBuffer1 - callab PrintWaitingText + callab PrintWaitingText ; 1:4b89 call Serial_SyncAndExchangeNybble jp LoadScreenTilesFromBuffer1 @@ -269,7 +272,7 @@ Serial_SyncAndExchangeNybble:: ; 227f (0:227f) ld [wSerialSyncAndExchangeNybbleReceiveData], a ret -Serial_ExchangeNybble:: ; 22c3 (0:22c3) +Serial_ExchangeNybble:: ; 211f (0:211f) call .doExchange ld a, [wSerialExchangeNybbleSendData] add $60 @@ -292,7 +295,7 @@ Serial_ExchangeNybble:: ; 22c3 (0:22c3) ld [wSerialExchangeNybbleReceiveData], a ret -Serial_SendZeroByte:: ; 22ed (0:22ed) +Serial_SendZeroByte:: ; 2149 (0:2149) xor a ld [hSerialSendData], a ld a, [hSerialConnectionStatus] @@ -310,3 +313,11 @@ Serial_TryEstablishingExternallyClockedConnection:: ; 22fa (0:22fa) ld a, START_TRANSFER_EXTERNAL_CLOCK ld [rSC], a ret + +Func_2162:: ; 2162 (0:2162) + call Func_2fa7 + pop hl + pop de + pop bc + pop af + reti
\ No newline at end of file |