Functional PPA Driver

ReadMe.md

@@ -3,7 +3,7 @@
 **RomWBW ReadMe** \
 Version 3.3 \
 Wayne Warthen  ([wwarthen@gmail.com](mailto:wwarthen@gmail.com)) \
-23 May 2023
+02 Jun 2023
 
 # Overview
 

ReadMe.txt

@@ -1,6 +1,6 @@
 RomWBW ReadMe
 Wayne Warthen (wwarthen@gmail.com)
-23 May 2023
+02 Jun 2023
 
 
 

Source/Doc/UserGuide.md

@@ -3901,6 +3901,7 @@ may be discovered by RomWBW in your system.
 | GDC       | Video    | uPD7220 Video Display Controller                       |
 | HDSK      | Disk     | SIMH Simulator Hard Disk                               |
 | IDE       | Disk     | IDE/ATA Hard Disk Interface                            |
+| IMM       | Disk     | IMM Zip Drive on PPI                                   |
 | INTRTC    | RTC      | Interrupt-based Real Time Clock                        |
 | KBD       | Kbd      | 8242 PS/2 Keyboard Controller                          |
 | KIO       | System   | Zilog Serial/ Parallel Counter/Timer                   |
@@ -3910,6 +3911,7 @@ may be discovered by RomWBW in your system.
 | I2C       | System   | I2C Interface                                          |
 | PIO       | Char     | Zilog Parallel Interface Controller                    |
 | PPIDE     | Disk     | 8255 IDE/ATA Hard Disk Interface                       |
+| PPA       | Disk     | PPA Zip Drive on PPI                                   |
 | PPK       | Kbd      | Matrix Keyboard                                        |
 | PPPSD     | Disk     | ParPortProp SD Card Interface                          |
 | PPPCON    | Serial   | ParPortProp Serial Console Interface                   |
@@ -3922,6 +3924,7 @@ may be discovered by RomWBW in your system.
 | SIO       | Char     | Zilog Serial Port Interface                            |
 | SN76489   | Sound    | SN76489 Programmable Sound Generator                   |
 | SPK       | Sound    | Bit-bang Speaker                                       |
+| SYQ       | Disk     | Iomega SparQ Drive on PPI                              |
 | TMS       | Video    | TMS9918/38/58 Video Display Controller                 |
 | UART      | Char     | 16C550 Family Serial Interface                         |
 | USB-FIFO  | Char     | FT232H-based ECB USB FIFO                              |

Source/HBIOS/imm.asm

@@ -9,7 +9,7 @@
 ; INTENDED TO CO-EXIST WITH LPT DRIVER.
 ;
 ; CREATED BY WAYNE WARTHEN FOR ROMWBW HBIOS.
-; MUCH OF THE CODE IS DERIVED FROM FUZIX (ALAN COX).
+; MUCH OF THE CODE IS DERIVED FROM LINUX AND FUZIX (ALAN COX).
 ;
 ; 5/23/2023 WBW - INITIAL RELEASE
 ; 5/26/2023 WBW - CLEAN UP, LED ACTIVITY
@@ -189,7 +189,7 @@ IMM_INIT4:
 	CALL	DIO_ADDENT		; ADD ENTRY TO GLOBAL DISK DEV TABLE
 ;
 	CALL	IMM_RESET		; RESET/INIT THE INTERFACE
-#IF (IMMTRACE == 0)
+#IF (IMMTRACE <= 1)
 	CALL	IMM_PRTSTAT
 #ENDIF
 	JR	NZ,IMM_INIT6
@@ -224,6 +224,9 @@ IMM_INIT6:
 ; ON RETURN, ZF SET INDICATES HARDWARE FOUND
 ;
 IMM_DETECT:
+#IF (IMMTRACE >= 3)
+	PRTS("\r\nDETECT:$")
+#ENDIF
 	; INITIALIZE 8255
 	LD	A,(IY+IMM_IOBASE)	; BASE PORT
 	ADD	A,IMM_IOSETUP		; BUMP TO SETUP PORT
@@ -1024,7 +1027,7 @@ IMM_GETSTATUS:
 ;
 	RET
 ;
-; TERMINATE A BULD READ OPERATION
+; TERMINATE A BULK READ OPERATION
 ;
 IMM_ENDREAD:
 	IMM_WCTL($04)
@@ -1151,7 +1154,8 @@ IMM_CHKCMD1:
 ;
 	; REQ SENSE CMD COMPLETED
 #IF (IMMTRACE >= 3)
-	LD	A,16
+	PRTS("\r\nSENSE:$")
+	LD	A,$19
 	LD	DE,HB_WRKBUF
 	CALL	Z,PRTHEXBUF
 #ENDIF
@@ -1219,7 +1223,8 @@ IMM_INITDEV1:
 	JR	NZ,IMM_INITDEV2		; IF ERROR, LOOP
 ;
 #IF (IMMTRACE >= 3)
-	LD	A,16
+	PRTS("\r\nSENSE:$")
+	LD	A,$19
 	LD	DE,HB_WRKBUF
 	CALL	PRTHEXBUF
 #ENDIF
@@ -1241,9 +1246,10 @@ IMM_INITDEV3:
 	LD	HL,IMM_CMD_RDCAP	; POINT TO READ CAPACITY CMD
 	CALL	IMM_RUNCMD		; RUN THE SCSI ENGINE
 	CALL	Z,IMM_CHKCMD		; CHECK AND RECORD ANY ERRORS
-	RET	NZ			; BAIL ON ON ERROR
+	RET	NZ			; BAIL OUT ON ERROR
 ;
 #IF (IMMTRACE >= 3)
+	PRTS("\r\nRDCAP:$")
 	LD	A,8
 	LD	DE,HB_WRKBUF
 	CALL	PRTHEXBUF
@@ -1302,7 +1308,7 @@ IMM_ERR:
 	LD	(IY+IMM_STAT),A		; SAVE NEW STATUS
 ;
 IMM_ERR2:
-#IF (IMMTRACE >= 1)
+#IF (IMMTRACE >= 2)
 	CALL	IMM_PRTSTAT
 #ENDIF
 	OR	A			; SET FLAGS