Fixed LinuxDoc Tools issues in some verbatim blocks in the Atari document.

[cc65] / asminc / cbm610.inc

diff --git a/asminc/cbm610.inc b/asminc/cbm610.inc
index ea85cd50d0a172f9e7ec4f1f992bfb449d20debe..b1b03eb1d13e64c1e1b02aca15f67d36fe9caa61 100644 (file)
--- a/asminc/cbm610.inc
+++ b/asminc/cbm610.inc
@@ -1,16 +1,21 @@
 ;
-; Zeropage and I/O definitions for the CBM 610
+; Zero page variables and I/O definitions for the CBM 610
 ;
 ; Taken from a kernal disassembly done by myself in 1987.
 ;
-; Ullrich von Bassewitz, 28.09.1998
+; 1998-09-28, Ullrich von Bassewitz
+; 2014-04-02, Greg King
 
 
 ; ---------------------------------------------------------------------------
-; Zeropage registers
+; Zeropage stuff
 
-ExecReg                = $00
-IndReg         = $01
+ExecReg         := $00          ; Controls execution memory bank
+IndReg          := $01          ; Controls indirect indexed load-store bank
+
+TXTPTR          := $85          ; Far pointer into BASIC source code
+FNAM            := $90          ; Far pointer to LOAD/SAVE file-name
+FNAM_LEN        := $9D          ; Holds length of file-name
 
 ; ---------------------------------------------------------------------------
 ; Screen size
@@ -25,13 +30,14 @@ YSIZE           = 25
 ; I/O  $d800: CRTC 6545
 
 .struct CRTC
-        ADDR           .byte
-        DATA           .byte
+        ADDR    .byte
+        DATA    .byte
 .endstruct
 
-; I/O  $db00: CIA 6526 Inter Process Communication
+
+; I/O  $db00: CIA 6526, Inter Process Communication
 ;
-;      IPCcia          =       $db00
+;       IPCcia          =       $db00
 
 .struct CIA
         PRA     .byte
@@ -65,13 +71,12 @@ YSIZE           = 25
 
 ; I/O  $dc00: CIA 6526
 ;
-;      cia             =       $dc00
-
+;       cia             =       $dc00
 
 
 ; I/O  $dd00: ACIA 6551
 ;
-;      acia            =       $dd00
+;       acia            =       $dd00
 
 .struct ACIA
         DATA    .byte
@@ -83,7 +88,7 @@ YSIZE           = 25
 
 ; I/O  $de00: Triport #1 6525
 ;
-;      tpi1            =       $de00
+;       tpi1            =       $de00
 
 .struct TPI
         PRA     .byte
@@ -105,6 +110,10 @@ YSIZE           = 25
 
 ; I/O  $df00: Triport #2 6525
 
-;      tpi2            =       $df00
+;       tpi2            =       $df00
+
 
+;-----------------------------------------------------------------------------
 
+BASIC_BUF       := $FA5E        ; Bank 1 location of command-line
+BASIC_BUF_LEN   = 162           ; Maximum length of command-line