From 2d04cacc5322951f187bb17e017c12920ac8ebe2 Mon Sep 17 00:00:00 2001
From: Mark Zbikowski
Date: Thu, 25 Apr 2024 21:24:10 +0100
Subject: MZ is back!

---
 v4.0/src/BIOS/MSDSKPR.INC | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 v4.0/src/BIOS/MSDSKPR.INC

(limited to 'v4.0/src/BIOS/MSDSKPR.INC')

diff --git a/v4.0/src/BIOS/MSDSKPR.INC b/v4.0/src/BIOS/MSDSKPR.INC
new file mode 100644
index 0000000..6b24bff
--- /dev/null
+++ b/v4.0/src/BIOS/MSDSKPR.INC
@@ -0,0 +1,22 @@
+; The following structure defines the disk parameter table
+; pointed to by Interrupt vector 1EH (location 0:78H)
+
+DISK_PARMS	STRUC
+DISK_SPECIFY_1	DB	?
+DISK_SPECIFY_2	DB	?
+DISK_MOTOR_WAIT DB	?	; Wait till motor off
+DISK_SECTOR_SIZ DB	?	; Bytes/Sector (2 = 512)
+DISK_EOT	DB	?	; Sectors per track (MAX)
+DISK_RW_GAP	DB	?	; Read Write Gap
+DISK_DTL	DB	?
+DISK_FORMT_GAP	DB	?	; Format Gap Length
+DISK_FILL	DB	?	; Format Fill Byte
+DISK_HEAD_STTL	DB	?	; Head Settle Time (MSec)
+DISK_MOTOR_STRT DB	?	; Motor start delay
+DISK_PARMS	ENDS
+
+ROMStatus	equ	1
+ROMRead 	equ	2
+ROMWrite	equ	3
+ROMVerify	equ	4
+ROMFormat	equ	5
-- 
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