fix comments

[cc65] / libsrc / c64 / c64-swlink.s

diff --git a/libsrc/c64/c64-swlink.s b/libsrc/c64/c64-swlink.s
index 22820c24fe5a446b22128f2af2ad462bcf1798a9..9f1b23c5b45a177cecb113395458a2486997248a 100644 (file)
--- a/libsrc/c64/c64-swlink.s
+++ b/libsrc/c64/c64-swlink.s
@@ -35,7 +35,7 @@
 ; Driver signature
 
         .byte   $73, $65, $72           ; "ser"
-        .byte   $00                     ; Serial API version number
+        .byte   SER_API_VERSION         ; Serial API version number
 
 ; Jump table.
 
@@ -47,6 +47,7 @@
         .word   PUT
         .word   STATUS
         .word   IOCTL
+        .word   IRQ
 
 ;----------------------------------------------------------------------------
 ; I/O definitions
@@ -56,14 +57,13 @@ ACIA_DATA       = ACIA+0        ; Data register
 ACIA_STATUS     = ACIA+1        ; Status register
 ACIA_CMD        = ACIA+2        ; Command register
 ACIA_CTRL       = ACIA+3        ; Control register
-ACIA_CLOCK      = ACIA+7        ; Turbo232 external baud-rate generator
 
 ;----------------------------------------------------------------------------
 ;
 ; Global variables
 ;
 
-; We reuse the RS232 zero page variables for the driver, since the ROM 
+; We reuse the RS232 zero page variables for the driver, since the ROM
 ; routines cannot be used together with this driver.
 RecvHead        = $B5           ; Head of receive buffer
 RecvTail        = $BD           ; Tail of receive buffer
@@ -183,7 +183,7 @@ OPEN:
 
 ; Check if the handshake setting is valid
 
-        ldy    #SER_PARAMS_HANDSHAKE   ; Handshake
+        ldy    #SER_PARAMS::HANDSHAKE  ; Handshake
         lda     (ptr1),y
         cmp    #SER_HS_HW              ; This is all we support
         bne    InvParam
@@ -195,21 +195,21 @@ OPEN:
 ; Set the value for the control register, which contains stop bits, word
 ; length and the baud rate.
 
-        ldy     #SER_PARAMS_BAUDRATE
+        ldy     #SER_PARAMS::BAUDRATE
         lda     (ptr1),y                ; Baudrate index
         tay
         lda     BaudTable,y             ; Get 6551 value
         bmi     InvBaud                        ; Branch if rate not supported
         sta     tmp1
 
-        ldy    #SER_PARAMS_DATABITS    ; Databits
+        ldy    #SER_PARAMS::DATABITS   ; Databits
         lda     (ptr1),y
         tay
         lda     BitTable,y
         ora     tmp1
         sta     tmp1
 
-        ldy    #SER_PARAMS_STOPBITS    ; Stopbits
+        ldy    #SER_PARAMS::STOPBITS   ; Stopbits
         lda     (ptr1),y
         tay
         lda     StopTable,y
@@ -220,7 +220,7 @@ OPEN:
 ; Set the value for the command register. We remember the base value in
 ; RtsOff, since we will have to manipulate ACIA_CMD often.
 
-        ldy    #SER_PARAMS_PARITY      ; Parity
+        ldy            #SER_PARAMS::PARITY     ; Parity
         lda     (ptr1),y
         tay
         lda     ParityTable,y
@@ -368,7 +368,13 @@ STATUS: lda        ACIA_STATUS
 
 IOCTL:  lda     #<SER_ERR_INV_IOCTL     ; We don't support ioclts for now
         ldx     #>SER_ERR_INV_IOCTL
-        rts
+       rts
+
+;----------------------------------------------------------------------------
+; IRQ: Not used on the C64
+;
+
+IRQ     = $0000
 
 ;----------------------------------------------------------------------------
 ;