diff options
| author | Rangi <35663410+Rangi42@users.noreply.github.com> | 2018-08-25 22:23:45 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-08-25 22:23:45 -0400 |
| commit | 3eacab563d0e1ab5557c2443556a7a5e58d14cad (patch) | |
| tree | 3d747166409fdc94f0fd1aa760693a7ee5bd2156 /engine/printer/printer_serial.asm | |
| parent | 89681d231611938a791f4256e602c88c2f9aa3e1 (diff) | |
| parent | b2adcd6d6ff91efc764a6ecc65147be7b9cda9e8 (diff) | |
Merge pull request #555 from Rangi42/ldh
Use real labels for HRAM instead of constants, and the ldh instruction
Diffstat (limited to 'engine/printer/printer_serial.asm')
| -rw-r--r-- | engine/printer/printer_serial.asm | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/engine/printer/printer_serial.asm b/engine/printer/printer_serial.asm index e8d056bf9..2ac75ca33 100644 --- a/engine/printer/printer_serial.asm +++ b/engine/printer/printer_serial.asm @@ -4,8 +4,8 @@ Printer_StartTransmission: xor a call Printer_ByteFill xor a - ld [rSB], a - ld [rSC], a + ldh [rSB], a + ldh [rSC], a ld [wPrinterOpcode], a ld hl, wPrinterConnectionOpen set 0, [hl] @@ -278,11 +278,11 @@ Printer_WaitHandshake: ld a, $1 ld [wPrinterOpcode], a ld a, $88 - ld [rSB], a + ldh [rSB], a ld a, $1 - ld [rSC], a + ldh [rSC], a ld a, $81 - ld [rSC], a + ldh [rSC], a ret Printer_CopyPacket: @@ -588,7 +588,7 @@ Printer_Send0x00_2: ret Printer_ReceiveTwoPrinterHandshakeAndSend0x00: - ld a, [rSB] + ldh a, [rSB] ld [wPrinterHandshake], a ld a, $0 call Printer_SerialSend @@ -596,7 +596,7 @@ Printer_ReceiveTwoPrinterHandshakeAndSend0x00: ret Printer_ReceiveTwoPrinterStatusFlagsAndExitSendLoop: - ld a, [rSB] + ldh a, [rSB] ld [wPrinterStatusFlags], a xor a ld [wPrinterOpcode], a @@ -621,16 +621,16 @@ Printer_Send0x08: ret Printer_SerialSend: - ld [rSB], a + ldh [rSB], a ld a, $1 ; switch to internal clock - ld [rSC], a + ldh [rSC], a ld a, $81 ; start transfer - ld [rSC], a + ldh [rSC], a ret Printer_ReceiveTwoPrinterStatusFlagsAndExitSendLoop_2: ; identical to Printer_ReceiveTwoPrinterStatusFlagsAndExitSendLoop, but referenced less - ld a, [rSB] + ldh a, [rSB] ld [wPrinterStatusFlags], a xor a ld [wPrinterOpcode], a |