Added SER_ prefix. Whitespace cleanup
This commit is contained in:
Olli Savia
Oliver Schmidt
parent
b9054ec9a7
commit
b269b3f5b2
1 changed files with 28 additions and 29 deletions
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@ -25,15 +25,15 @@
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.addr $0000
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; Jump table
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.addr INSTALL
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.addr UNINSTALL
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.addr OPEN
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.addr CLOSE
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.addr GET
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.addr PUT
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.addr STATUS
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.addr IOCTL
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.addr IRQ
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.addr SER_INSTALL
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.addr SER_UNINSTALL
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.addr SER_OPEN
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.addr SER_CLOSE
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.addr SER_GET
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.addr SER_PUT
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.addr SER_STATUS
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.addr SER_IOCTL
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.addr SER_IRQ
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;----------------------------------------------------------------------------
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; Global variables
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@ -54,25 +54,25 @@ TxDone: .res 1
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.code
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;----------------------------------------------------------------------------
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; INSTALL: Is called after the driver is loaded into memory.
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; SER_INSTALL: Is called after the driver is loaded into memory.
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;
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; Must return an SER_ERR_xx code in a/x.
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INSTALL:
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SER_INSTALL:
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; Set up IRQ vector ?
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;----------------------------------------------------------------------------
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; UNINSTALL: Is called before the driver is removed from memory.
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; SER_UNINSTALL: Is called before the driver is removed from memory.
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; No return code required (the driver is removed from memory on return).
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;
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UNINSTALL:
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SER_UNINSTALL:
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;----------------------------------------------------------------------------
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; CLOSE: Close the port and disable interrupts. Called without parameters.
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; SER_CLOSE: Close the port and disable interrupts. Called without parameters.
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; Must return an SER_ERR_xx code in a/x.
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CLOSE:
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SER_CLOSE:
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; Disable interrupts
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; Done, return an error code
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lda #<SER_ERR_OK
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@ -80,7 +80,7 @@ CLOSE:
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rts
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;----------------------------------------------------------------------------
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; OPEN: A pointer to a ser_params structure is passed in ptr1.
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; SER_OPEN: A pointer to a ser_params structure is passed in ptr1.
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;
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; The Lynx has only two correct serial data formats:
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; 8 bits, parity mark, 1 stop bit
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@ -101,7 +101,7 @@ CLOSE:
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;
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; Must return an SER_ERR_xx code in a/x.
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OPEN:
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SER_OPEN:
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stz RxPtrIn
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stz RxPtrOut
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stz TxPtrIn
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@ -247,11 +247,11 @@ invparameter:
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rts
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;----------------------------------------------------------------------------
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; GET: Will fetch a character from the receive buffer and store it into the
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; SER_GET: Will fetch a character from the receive buffer and store it into the
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; variable pointed to by ptr1. If no data is available, SER_ERR_NO_DATA is
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; returned.
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GET:
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SER_GET:
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lda RxPtrIn
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cmp RxPtrOut
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bne GetByte
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@ -268,10 +268,10 @@ GetByte:
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rts
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;----------------------------------------------------------------------------
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; PUT: Output character in A.
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; SER_PUT: Output character in A.
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; Must return an SER_ERR_xx code in a/x.
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PUT:
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SER_PUT:
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tax
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lda TxPtrIn
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ina
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@ -301,10 +301,10 @@ PutByte:
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rts
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;----------------------------------------------------------------------------
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; STATUS: Return the status in the variable pointed to by ptr1.
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; SER_STATUS: Return the status in the variable pointed to by ptr1.
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; Must return an SER_ERR_xx code in a/x.
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STATUS:
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SER_STATUS:
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ldy SerialStat
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ldx #$00
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sta (ptr1,x)
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@ -312,17 +312,17 @@ STATUS:
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rts
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;----------------------------------------------------------------------------
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; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
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; SER_IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
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; specific data in ptr1, and the ioctl code in A.
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; Must return an SER_ERR_xx code in a/x.
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IOCTL:
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SER_IOCTL:
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lda #<SER_ERR_INV_IOCTL
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ldx #>SER_ERR_INV_IOCTL
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rts
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;----------------------------------------------------------------------------
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; IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
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; SER_IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
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; registers are already saved, no parameters are passed, but the carry flag
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; is clear on entry. The routine must return with carry set if the interrupt
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; was handled, otherwise with carry clear.
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@ -330,7 +330,7 @@ IOCTL:
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; Both the Tx and Rx interrupts are level sensitive instead of edge sensitive.
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; Due to this bug you have to disable the interrupt before clearing it.
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IRQ:
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SER_IRQ:
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lda INTSET ; Poll all pending interrupts
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and #SERIAL_INTERRUPT
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bne @L0
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@ -411,4 +411,3 @@ IRQ:
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@IRQexit:
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clc
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rts
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