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Added SER_ prefix. Whitespace cleanup

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Olli Savia 2018-11-26 22:32:49 +02:00 committed by Oliver Schmidt
parent b269b3f5b2
commit b6529225e9
1 changed files with 30 additions and 27 deletions
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57
libsrc/cbm510/ser/cbm510-std.s
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@ -46,15 +46,15 @@
; Jump table
.word INSTALL
.word UNINSTALL
.word OPEN
.word CLOSE
.word GET
.word PUT
.word STATUS
.word IOCTL
.word IRQ
.word SER_INSTALL
.word SER_UNINSTALL
.word SER_OPEN
.word SER_CLOSE
.word SER_GET
.word SER_PUT
.word SER_STATUS
.word SER_IOCTL
.word SER_IRQ
;----------------------------------------------------------------------------
;
@ -122,24 +122,24 @@ ParityTable:
.code
;----------------------------------------------------------------------------
; INSTALL routine. Is called after the driver is loaded into memory. If
; SER_INSTALL routine. Is called after the driver is loaded into memory. If
; possible, check if the hardware is present.
; Must return an SER_ERR_xx code in a/x.
;
; Since we don't have to manage the IRQ vector on the Plus/4, this is actually
; the same as:
;
; UNINSTALL routine. Is called before the driver is removed from memory.
; SER_UNINSTALL routine. Is called before the driver is removed from memory.
; Must return an SER_ERR_xx code in a/x.
; and:
;
; CLOSE: Close the port, disable interrupts and flush the buffer. Called
; SER_CLOSE: Close the port, disable interrupts and flush the buffer. Called
; without parameters. Must return an error code in a/x.
;
INSTALL:
UNINSTALL:
CLOSE:
SER_INSTALL:
SER_UNINSTALL:
SER_CLOSE:
; Deactivate DTR and disable 6551 interrupts
@ -156,7 +156,7 @@ CLOSE:
; PARAMS routine. A pointer to a ser_params structure is passed in ptr1.
; Must return an SER_ERR_xx code in a/x.
OPEN:
SER_OPEN:
; Check if the handshake setting is valid
@ -236,12 +236,13 @@ InvBaud:
rts
;----------------------------------------------------------------------------
; GET: Will fetch a character from the receive buffer and store it into the
; SER_GET: Will fetch a character from the receive buffer and store it into the
; variable pointer to by ptr1. If no data is available, SER_ERR_NO_DATA is
; return.
;
GET: ldx SendFreeCnt ; Send data if necessary
SER_GET:
ldx SendFreeCnt ; Send data if necessary
inx ; X == $FF?
beq @L1
lda #$00
@ -280,11 +281,11 @@ GET: ldx SendFreeCnt ; Send data if necessary
rts
;----------------------------------------------------------------------------
; PUT: Output character in A.
; SER_PUT: Output character in A.
; Must return an error code in a/x.
;
PUT:
SER_PUT:
; Try to send
@ -314,11 +315,12 @@ PUT:
rts
;----------------------------------------------------------------------------
; STATUS: Return the status in the variable pointed to by ptr1.
; SER_STATUS: Return the status in the variable pointed to by ptr1.
; Must return an error code in a/x.
;
STATUS: lda #$0F
SER_STATUS:
lda #$0F
sta IndReg
ldy #ACIA::STATUS
lda (acia),y
@ -330,23 +332,25 @@ STATUS: lda #$0F
rts
;----------------------------------------------------------------------------
; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
; SER_IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
; specific data in ptr1, and the ioctl code in A.
; Must return an error code in a/x.
;
IOCTL: lda #<SER_ERR_INV_IOCTL ; We don't support ioclts for now
SER_IOCTL:
lda #<SER_ERR_INV_IOCTL ; We don't support ioclts for now
ldx #>SER_ERR_INV_IOCTL
rts
;----------------------------------------------------------------------------
; IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
; SER_IRQ: Called from the builtin runtime IRQ handler as a subroutine. All
; registers are already save, no parameters are passed, but the carry flag
; is clear on entry. The routine must return with carry set if the interrupt
; was handled, otherwise with carry clear.
;
IRQ: lda #$0F
SER_IRQ:
lda #$0F
sta IndReg ; Switch to the system bank
ldy #ACIA::STATUS
lda (acia),y ; Check ACIA status for receive interrupt
@ -435,4 +439,3 @@ write: pha
lda ExecReg
sta IndReg
rts