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Diffstat (limited to 'home/serial.asm')
| -rw-r--r-- | home/serial.asm | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/home/serial.asm b/home/serial.asm index bd984d4f..ef914933 100644 --- a/home/serial.asm +++ b/home/serial.asm @@ -3,6 +3,9 @@ Serial:: push bc push de push hl + ld a, [wPrinterConnectionOpen] + bit 0, a + jp nz, PrinterSerial__ ldh a, [hSerialConnectionStatus] inc a jr z, .connectionNotYetEstablished @@ -310,3 +313,11 @@ Serial_TryEstablishingExternallyClockedConnection:: ld a, START_TRANSFER_EXTERNAL_CLOCK ldh [rSC], a ret + +PrinterSerial__:: + call PrinterSerial + pop hl + pop de + pop bc + pop af + reti |