Floppy Fix

Floppy I/O was failing for slower CPUs when the timer interrupts were active.  Now fixed.

Credit to Jorge Jorge Rodrigues for finding this problem and pointing me in the right direction for the fix.

Doc/ChangeLog.txt

@@ -16,6 +16,7 @@ Version 2.9.2
 - PMS: Added DS1210 low battery detection/message
 - PMS: Added note playing ability to SPK driver
 - WBW: Support disk I/O to any memory bank
+- WBW: Fix floppy I/O error on slow CPUs w/ ints active (credit Jorge Rodrigues)
 
 Version 2.9.1
 -------------

ReadMe.txt

@@ -7,7 +7,7 @@
 ***********************************************************************
 
 Wayne Warthen (wwarthen@gmail.com)
-Version 2.9.2-pre.8, 2019-09-03
+Version 2.9.2-pre.9, 2019-09-06
 https://www.retrobrewcomputers.org/
 
 RomWBW is a ROM-based implementation of CP/M-80 2.2 and Z-System for 

Source/CBIOS/ver.inc

@@ -2,4 +2,4 @@
 #DEFINE	RMN	9
 #DEFINE	RUP	2
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.9.2-pre.8"
+#DEFINE BIOSVER	"2.9.2-pre.9"

Source/HBIOS/fd.asm

@@ -1570,9 +1570,8 @@ FXR_ABORT:	; EXECUTION ABORTED
 	JR	FOP_RES			; GET RSEULTS, NO NEED TO PULSE TC
 ;
 FXR_END:	; EXECUTION COMPLETED NORMALLY
-	HB_EI				; INTERRUPTS OK AGAIN
-FXR_END2:
 	CALL	FC_PULSETC		; PULSE TC TO END EXECUTION
+	HB_EI				; INTERRUPTS OK AGAIN
 	JR	FOP_RES			; GET RSEULTS
 ;
 ; RESULTS PHASE

Source/HBIOS/hbios.asm

@@ -1860,7 +1860,7 @@ DIO_TBL		.FILL	DIO_SIZ,0	; SPACE FOR ENTRIES
 ;	
 HB_DSKREAD:
 ;
-#IF 0
+#IF 1
 	; CHECK TO SEE IF INTER-BANK I/O NEEDED.  IF NOT
 	; WE JUST ABORT BACK TO DISK DRIVER TO HANDLE.
 	BIT	7,H			; TGT BUF IN UPPER 32K?
@@ -1940,7 +1940,7 @@ HB_DSKREADX:
 ;	
 HB_DSKWRITE:
 ;
-#IF 0
+#IF 1
 	; CHECK TO SEE IF INTER-BANK I/O NEEDED.  IF NOT
 	; WE JUST ABORT BACK TO DISK DRIVER TO HANDLE.
 	BIT	7,H			; TGT BUF IN UPPER 32K?

Source/HBIOS/ver.inc

@@ -2,4 +2,4 @@
 #DEFINE	RMN	9
 #DEFINE	RUP	2
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.9.2-pre.8"
+#DEFINE BIOSVER	"2.9.2-pre.9"