Mercurial > hg > Members > kono > nitros9-code
view 3rdparty/drivers/burke/bbxthd.asm @ 3169:1ff3d7673e36
mc09 l2: bring sys/makefile in line with latest organisation for other platforms
Revise bootfiles/makefile to remove sysgo from bootfile - it can be
found on the root of the disk.
author | Neal Crook <foofoobedoo@gmail.com> |
---|---|
date | Mon, 17 Apr 2017 22:59:28 +0100 |
parents | c10820aa211b |
children |
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******************************************* *** *** *** COPYRIGHT 1987 BURKE & BURKE *** *** ALL RIGHTS RESERVED *** *** *** ******************************************* nam BBXTHD * * CoCo XT Hard Disk Driver 07/25/87 * * For Western Digital WD1002-WX2 (or WX1) Controller. * * This version is optimized for 1 4x32 hard disk * on the CoCo 3, under level 1 Version 1 OS9. It * speeds up to 2 MHz during disk I/O, then slows down * again. It does not verify disk writes, and does not * use read caching. * * Chris Burke Schaumburg, IL 07/25/87 * page * * Conditional assembly control * Drives equ 1 ;Number of drives supported irqflg equ 1 ;non-zero to mask interrupts during HD access trsflg equ 1 ;non-zero if optimized for 4x32 disk cchflg equ 0 ;non-zero if read cache supported vrfflg equ 0 ;non-zero if write verification supported tboflg equ 1 ;non-zero if jump to 2 MHz for block moves fstflg equ 1 ;non-zero if fast transfers supported sysram equ 1 ;non-zero to use system RAM for verify buffer sizflg equ 0 ;non-zero to allow drives of different sizes fmtflg equ 0 ;non-zero if hard formatting supported errflg equ 0 ;non-zero for good error messages icdflg equ 0 ;non-zero to ignore C/D status bit timflg equ 0 ;non-zero to support access timer XLEVEL equ 1 ;Bogus level 2 flag testing equ 0 ;non-zero to call driver "XD", not "HD" * * Include the main line * use xtos9.src