Improve S100 Z80 FPGA Config

Improvements to the PPIDE interface discovery configuration.

Author: wwarthen

Source/HBIOS/Config/SZ80_fpga.asm

@@ -65,6 +65,15 @@ LPTENABLE	.SET	TRUE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
 FVENABLE	.SET	TRUE		; FV: ENABLE FPGA VGA VIDEO DRIVER (FV.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+;
+PPIDECNT	.SET	3		; PPIDE: NUMBER OF PPI CHIPS TO DETECT (1-3), 2 DRIVES PER CHIP
+PPIDE0MODE	.SET	PPIDEMODE_STD	; PPIDE 0: DRIVER MODE: IDEMODE_[STD|S100A|S100B]
+PPIDE0BASE	.SET	$30		; PPIDE 0: PPI REGISTERS BASE ADR
+PPIDE1MODE	.SET	PPIDEMODE_S100A	; PPIDE 1: DRIVER MODE: IDEMODE_[STD|S100A|S100B]
+PPIDE1BASE	.SET	$38		; PPIDE 1: PPI REGISTERS BASE ADR
+PPIDE2MODE	.SET	PPIDEMODE_S100B	; PPIDE 2: DRIVER MODE: IDEMODE_[STD|S100A|S100B]
+PPIDE2BASE	.SET	$38		; PPIDE 2: PPI REGISTERS BASE ADR
+;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 ;
 ESPSDENABLE	.SET	TRUE		; ESPSD: ENABLE S100 ESP32 SD DISK DRIVER (ESPSD.ASM)