Mercurial > hg > Members > kono > nitros9-code

changeset 1618:78b98373061d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated with better comments on DNS.STD and DNS.DTD
author boisy
date Wed, 23 Jun 2004 21:14:22 +0000
parents f23f96055d08
children b113a1589fa3
files defs/rbfdefs
diffstat 1 files changed, 5 insertions(+), 9 deletions(-) [+]
line wrap: on
line diff
--- a/defs/rbfdefs	Wed Jun 23 21:13:54 2004 +0000
+++ b/defs/rbfdefs	Wed Jun 23 21:14:22 2004 +0000
@@ -131,11 +131,7 @@
 DNS.FM   equ   %00000000        Single-density (FM)
 DNS.MFM  equ   %00000001        Double-density (MFM)
 DNS.STD  equ   %00000000        Single track density (48 tpi)
-DNS.48TPI equ   DNS.STD
-DNS.DTD  equ   %00000010        Double track density (96 tpi)
-DNS.96TPI equ   DNS.DTD
-DNS.QTD  equ   %00000100        High track density (135 tpi)
-DNS.135TPI equ   DNS.QTD
+DNS.DTD  equ   %00000010        Double track density (96/135 tpi)
 
 * Floppy disk step rate definitions
 STP.30ms equ   0                30ms step rate
@@ -251,10 +247,10 @@
 DD.OPT   rmb   32         Option area
 
 * DD.FMT Bit Definitions - valid only if device is a floppy disk
-FMT.SIDE equ   %00000001  Single Side=0, Double Side=1
-FMT.DNS  equ   %00000010  Single DNS=0, Double DNS=1
-FMT.TDNS equ   %00000100  48tpi=0, 96tpi=1
-FMT.T0DN equ   %00100000  Track 0 DNS, see FMT.DNS
+FMT.SIDE equ   %00000001  Single Sided=0, Double Sided=1
+FMT.DNS  equ   %00000010  Single Density=0, Double Density=1
+FMT.TDNS equ   %00000100  Track Density: 48 TPI=0, 96/135 TPI=1
+FMT.T0DN equ   %00100000  Track 0 Density, see FMT.DNS
 
 
          pag