New ROMLDR and INTRTC driver

- Refactored romldr.asm - Added new periodic timer based RTC driver
2026-02-06 22:43:15 -06:00 · 2020-04-05 16:01:04 -07:00
parent 2e2d2bebd7
commit d9bed4563e
48 changed files with 1942 additions and 1285 deletions
--- a/Source/HBIOS/Config/DYNO_std.asm
+++ b/Source/HBIOS/Config/DYNO_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_dyno.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
--- a/Source/HBIOS/Config/EZZ80_std.asm
+++ b/Source/HBIOS/Config/EZZ80_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_ezz80.asm"
 ;
 CPUOSC		.SET	10000000	; CPU OSC FREQ IN MHZ
--- a/Source/HBIOS/Config/MK4_std.asm
+++ b/Source/HBIOS/Config/MK4_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_mk4.asm"
 ;
 Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
--- a/Source/HBIOS/Config/N8_std.asm
+++ b/Source/HBIOS/Config/N8_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_n8.asm"
 ;
 Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
--- a/Source/HBIOS/Config/RCZ180_ext.asm
+++ b/Source/HBIOS/Config/RCZ180_ext.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_rcz180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
--- a/Source/HBIOS/Config/RCZ180_nat.asm
+++ b/Source/HBIOS/Config/RCZ180_nat.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_rcz180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
--- a/Source/HBIOS/Config/RCZ80_kio.asm
+++ b/Source/HBIOS/Config/RCZ80_kio.asm
@@ -22,7 +22,9 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE		PLATFORM_NAME	"RC2014 (KIO)"
+#define	PLATFORM_NAME	"RC2014 (KIO)"
+;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "Config/RCZ80_std.asm"
 ;
--- a/Source/HBIOS/Config/RCZ80_mt.asm
+++ b/Source/HBIOS/Config/RCZ80_mt.asm
@@ -22,7 +22,9 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE		PLATFORM_NAME	"RC2014 (MT)"
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#define	PLATFORM_NAME	"RC2014 (MT)"
 ;
 #include "Config/RCZ80_std.asm"
 ;
--- a/Source/HBIOS/Config/RCZ80_std.asm
+++ b/Source/HBIOS/Config/RCZ80_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_rcz80.asm"
 ;
 CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
--- a/Source/HBIOS/Config/SBC_simh.asm
+++ b/Source/HBIOS/Config/SBC_simh.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #DEFINE		PLATFORM_NAME	"SBC (simh)"
 ;
 #include "cfg_sbc.asm"
--- a/Source/HBIOS/Config/SBC_std.asm
+++ b/Source/HBIOS/Config/SBC_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_sbc.asm"
 ;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
--- a/Source/HBIOS/Config/SCZ180_126.asm
+++ b/Source/HBIOS/Config/SCZ180_126.asm
@@ -22,7 +22,9 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE		PLATFORM_NAME	"SC126"
+#define	PLATFORM_NAME	"SC126"
+;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_scz180.asm"
 ;
--- a/Source/HBIOS/Config/SCZ180_130.asm
+++ b/Source/HBIOS/Config/SCZ180_130.asm
@@ -22,7 +22,9 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE		PLATFORM_NAME	"SC130"
+#define	PLATFORM_NAME	"SC130"
+;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_scz180.asm"
 ;
@@ -38,6 +40,7 @@ LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
 ;
 DIAGENABLE	.SET	FALSE		; ENABLES OUTPUT TO 8 BIT LED DIAGNOSTIC PORT
 ;
+TIMRTCENABLE	.SET	TRUE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
 DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 ;
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
--- a/Source/HBIOS/Config/SCZ180_131.asm
+++ b/Source/HBIOS/Config/SCZ180_131.asm
@@ -22,7 +22,9 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE		PLATFORM_NAME	"SC131"
+#define	PLATFORM_NAME	"SC131"
+;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_scz180.asm"
 ;
@@ -38,6 +40,7 @@ LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
 ;
 DIAGENABLE	.SET	FALSE		; ENABLES OUTPUT TO 8 BIT LED DIAGNOSTIC PORT
 ;
+TIMRTCENABLE	.SET	TRUE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
 DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 ;
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
--- a/Source/HBIOS/Config/UNA_std.asm
+++ b/Source/HBIOS/Config/UNA_std.asm
@@ -22,5 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#include "cfg_una.asm"
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
+#include "cfg_una.asm"
--- a/Source/HBIOS/Config/ZETA2_std.asm
+++ b/Source/HBIOS/Config/ZETA2_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_zeta2.asm"
 ;
 UARTCFG		.SET	UARTCFG | SER_RTS
--- a/Source/HBIOS/Config/ZETA_std.asm
+++ b/Source/HBIOS/Config/ZETA_std.asm
@@ -22,6 +22,8 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
+#define	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
 #include "cfg_zeta.asm"
 ;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
--- a/Source/HBIOS/cfg_dyno.asm
+++ b/Source/HBIOS/cfg_dyno.asm
@@ -3,7 +3,7 @@
 ;   ROMWBW 2.X CONFIGURATION DEFAULTS FOR DYNO
 ;==================================================================================================
 ;
-; THIS FILE CONTAINS THE FULL SET OF DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; THIS FILE CONTAINS THE FULL EQU OF DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
 ; INDICATED ABOVE. THIS FILE SHOULD *NOT* NORMALLY BE CHANGED.	INSTEAD, YOU SHOULD
 ; OVERRIDE ANY SETTINGS YOU WANT USING A CONFIGURATION FILE IN THE CONFIG DIRECTORY
 ; UNDER THIS DIRECTORY.
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -63,6 +61,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_ezz80.asm
+++ b/Source/HBIOS/cfg_ezz80.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	10000000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -60,6 +58,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_master.asm
+++ b/Source/HBIOS/cfg_master.asm
@@ -17,9 +17,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	8000000		; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -82,6 +80,8 @@ KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_mk4.asm
+++ b/Source/HBIOS/cfg_mk4.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -67,6 +65,8 @@ KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -70,6 +68,8 @@ KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_rcz180.asm
+++ b/Source/HBIOS/cfg_rcz180.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -63,6 +61,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_rcz80.asm
+++ b/Source/HBIOS/cfg_rcz80.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	7372800		; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -59,6 +57,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_sbc.asm
+++ b/Source/HBIOS/cfg_sbc.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	8000000		; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -61,6 +59,8 @@ KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_scz180.asm
+++ b/Source/HBIOS/cfg_scz180.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -58,6 +56,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_una.asm
+++ b/Source/HBIOS/cfg_una.asm
@@ -16,9 +16,7 @@
 PLATFORM	.EQU	PLT_UNA		; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|SCZ180|DYNO]
 BIOS		.EQU	BIOS_UNA	; HARDWARE BIOS: BIOS_[WBW|UNA]
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
--- a/Source/HBIOS/cfg_zeta.asm
+++ b/Source/HBIOS/cfg_zeta.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO] IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	20000000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	0		; INTERRUPT MODE: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -55,6 +53,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/cfg_zeta2.asm
+++ b/Source/HBIOS/cfg_zeta2.asm
@@ -20,9 +20,7 @@ BATCOND		.EQU	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.EQU	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
 USELZSA2	.EQU	TRUE		; ENABLE FONT COMPRESSION
 ;
-BOOTTYPE	.EQU	BT_MENU		; BT_[MENU|AUTO], IF AUTO, BOOT DEFAULT AFTER TIMEOUT
-BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
-BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
+BOOT_TIMEOUT	.EQU	0		; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
 ;
 CPUOSC		.EQU	20000000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -60,6 +58,8 @@ CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
+TIMRTCENABLE	.EQU	FALSE		; ENABLE PERIODIC TIMER CLOCK DRIVER (TIMRTC.ASM)
+;
 HTIMENABLE	.EQU	FALSE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.EQU	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 ;
--- a/Source/HBIOS/dbgmon.asm
+++ b/Source/HBIOS/dbgmon.asm
@@ -31,7 +31,7 @@ BUFLEN	.EQU	40			; INPUT LINE LENGTH
 	JP	DSKY_ENTRY
 	JP	UART_ENTRY
 ;
-#DEFINE USEDELAY
+;#DEFINE USEDELAY
 #INCLUDE "util.asm"
 ;
 ;__UART_ENTRY_________________________________________________________________
@@ -125,9 +125,9 @@ INITIALIZE:
 	LD	(9),HL		; STORE AT 0x0009
 #ENDIF

-#IF (BIOS == BIOS_WBW)
-	CALL	DELAY_INIT
-#ENDIF
+;#IF (BIOS == BIOS_WBW)
+;	CALL	DELAY_INIT
+;#ENDIF

 	RET
 ;
@@ -890,7 +890,7 @@ KEYBUF:  	.FILL	BUFLEN,0
 ;_____________________________________________________________________________
 ;
 TXT_PROMPT	.TEXT	"\r\n>$"
-TXT_READY	.TEXT	"\r\nMonitor Ready$"
+TXT_READY	.TEXT	"\r\n\r\nMonitor Ready$"
 TXT_COMMAND	.TEXT	"\r\nUnknown Command$"
 TXT_ERR		.TEXT	"\r\nSyntax Error$"
 TXT_CKSUMERR	.TEXT	"\r\nChecksum Error$"
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -896,6 +896,21 @@ HB_START:
 	INC	A			; 1 MEANS BAT OK
 	LD	(HBX_LOC - 1),A		; OVERWRITE IF NVC ALLOWS IT
 ;
+; IF APPBOOT, SAVE CURRENT BANKID
+;
+; THIS IS NOT GOING TO WORK IF THE APP BOOT IMAGE IS LOADED
+; USING THE UNA FAT32 LOADER.  SHOULD PROBABLY CHECK THAT THERE
+; IS A VALID ROMWBW PROXY IN MEMORY BEFORE DOING THIS.  HOWEVER,
+; THIS USE CASE IS PROBABLY NON-EXISTENT.  THE IMG BOOT IMAGE
+; SHOULD WORK FINE WITH THE UNA FAT32 LOADER.
+;
+#IFDEF APPBOOT
+	LD	A,(HB_CURBNK)
+	DEC	SP			; RESERVE A STACK BYTE
+	LD	(HBX_LOC - 2),A		; SAVE BANK
+	PUSH	AF			; ALSO ON STACK
+#ENDIF
+;
 ; INSTALL PROXY IN UPPER MEMORY
 ;
 	LD	DE,HBX_LOC		; AS PER ABOVE
@@ -903,6 +918,13 @@ HB_START:
 	LD	BC,HBX_SIZ
 	LDIR
 ;
+; IF APPBOOT, RESTORE CURRENT BANK ID
+;
+#IFDEF APPBOOT
+	POP	AF
+	LD	(HB_CURBNK),A
+#ENDIF
+;
 ; IF ALREADY EXECUTING IN RAM, BYPASS RAM BANK INSTALLATION
 ;
 	LD	A,(HB_RAMFLAG)
@@ -945,6 +967,11 @@ HB_START1:				; BNKCALL ARRIVES HERE, BUT NOW RUNNING IN RAM BANK
 ; IF APPBOOT, WE NEED TO FIX UP A FEW THINGS IN PAGE ZERO
 ;
 #IFDEF APPBOOT
+;
+	; GET AND SAVE APP BOOT BANK ID
+	LD	A,(HBX_LOC - 2)
+	LD	(HB_APPBNK),A
+
 	; MAKE SURE RST 08 VECTOR IS RIGHT
 	LD	A,$C3
 	LD	($0008),A
@@ -1520,7 +1547,9 @@ INITSYS3:
 	;CALL	HBX_BNKCPY
 	LD	B,BF_SYSSETCPY	; HBIOS FUNC: SETUP BANK COPY
 	LD	D,BID_USR	; D = DEST BANK = USER BANK
-	LD	E,BID_USR	; E = SRC BANK = USER BANK
+	;LD	E,BID_USR	; E = SRC BANK = USER BANK
+	LD	A,(HB_APPBNK)	; GET APP LOAD BANK
+	LD	E,A		; USE AS SOURCE
 	LD	HL,$8000	; HL = COPY LEN = ENTIRE BANK
 	RST	08		; DO IT
 	LD	B,BF_SYSBNKCPY	; HBIOS FUNC: PERFORM BANK COPY
@@ -1633,6 +1662,9 @@ HB_INITTBL:
 #IF (ACIAENABLE)
 	.DW	ACIA_INIT
 #ENDIF
+#IF (TIMRTCENABLE)
+	.DW	TIMRTC_INIT
+#ENDIF
 #IF (SIMRTCENABLE)
 	.DW	SIMRTC_INIT
 #ENDIF
@@ -2115,6 +2147,9 @@ HB_IOBNK	.DB	0		; CURRENT IO BUFFER BANK ID
 ;   B: FUNCTION
 ;
 RTC_DISPATCH:
+#IF (TIMRTCENABLE)
+	JP	TIMRTC_DISPATCH
+#ENDIF
 #IF (SIMRTCENABLE)
 	JP	SIMRTC_DISPATCH
 #ENDIF
@@ -2672,42 +2707,29 @@ HB_IM1PTR	.DW	HB_IVT		; POINTER FOR NEXT IM1 ENTRY
 ;
 #ENDIF
 ;
-; TIMER INTERRUPT
+; TIMER HANDLER VECTORS
+; THESE CAN BE HOOKED AS DESIRED BY DRIVERS
 ;
 HB_TIMINT:
+VEC_TICK:
+	JP	HB_TICK			; TICK PROCESSING VECTOR
+VEC_SECOND:
+	JP	HB_SECOND		; SECOND PROCESSING VECTOR
+;
+; TIMER HANDLERS
+;
+HB_TICK:
 	; INCREMENT TICK COUNTER (32 BIT)
 	LD	HL,HB_TICKS		; POINT TO TICK COUNTER
 	CALL	INC32HL
-;
-HB_TIMINT1:
-;
-#IF 0
-;
-	LD	HL,TEMPCNT
-	DEC	(HL)
-	JR	NZ,HB_TIMINT2
-	LD	(HL),250
-;
-	LD	A,'*'
-	CALL	COUT
-	JR	HB_TIMINT2
-;
-TEMPCNT	.DB	250
-;
-#ENDIF
-;
-HB_TIMINT2:
 	LD	HL,HB_SECTCK		; POINT TO SECONDS TICK COUNTER
 	DEC	(HL)			; COUNTDOWN 50 TICKS
-	JR	NZ,HB_TIMINT3		; NOT ZERO YET, DONE FOR THIS CYCLE
-	; 50 TICKS HAVE ELAPSED
+	JR	NZ,HB_TICK1		; NOT DONE, SKIP AHEAD
 	LD	A,TICKSPERSEC		; 50 TICKS PER SECOND
 	LD	(HL),A			; RESET COUNTDOWN REGISTER
-	; INCREMENT SECONDS COUNTER
-	LD	HL,HB_SECS		; POINT TO SECONDS COUNTER
-	CALL	INC32HL
+	CALL	VEC_SECOND		; DO SECONDS PROCESSING VIA VECTOR
 ;
-HB_TIMINT3:
+HB_TICK1:
 ;
 #IF (CPUFAM == CPU_Z180)
 	; ACK/RESET Z180 TIMER INTERRUPT
@@ -2723,6 +2745,12 @@ HB_TIMINT3:
 	OR	$FF			; NZ SET TO INDICATE INT HANDLED
 	RET
 ;
+HB_SECOND:
+	; INCREMENT SECONDS COUNTER
+	LD	HL,HB_SECS		; POINT TO SECONDS COUNTER
+	JP	INC32HL			; INCREMENT AND RETURN
+
+;
 ; BAD INTERRUPT HANDLER
 ;
 HB_BADINT:
@@ -2899,6 +2927,14 @@ HB_TMPREF	.DW	0
 ;   DEVICE DRIVERS
 ;==================================================================================================
 ;
+#IF (TIMRTCENABLE)
+ORG_TIMRTC	.EQU	$
+  #INCLUDE "timrtc.asm"
+SIZ_TIMRTC	.EQU	$ - ORG_TIMRTC
+		.ECHO	"TIMRTC occupies "
+		.ECHO	SIZ_TIMRTC
+		.ECHO	" bytes.\n"
+#ENDIF
 #IF (SIMRTCENABLE)
 ORG_SIMRTC	.EQU	$
  #INCLUDE "simrtc.asm"
@@ -4082,6 +4118,8 @@ STR_LOWBAT	.DB	"\r\n\r\n+++ LOW BATTERY +++$"
 MSG_HBVER		.DB	$BE,$FF,$8A,$FB,$80,$80,$80,$80	; "HBIO    "
 #ENDIF
 ;
+HB_APPBNK	.DB	0		; START BANK WHEN RUN IN APP MODE
+;
 HB_CURSEC	.DB	0		; CURRENT SECOND (TEMP)
 ;
 HB_BCDTMP	.FILL	5,0		; BCD NUMBER STORAGE (TEMP)
--- a/Source/HBIOS/romldr.asm
+++ b/Source/HBIOS/romldr.asm
--- a/Source/HBIOS/simrtc.asm
+++ b/Source/HBIOS/simrtc.asm
@@ -71,13 +71,7 @@ SIMRTC_GETTIM:
 	LD	HL,SIMRTC_BUF		; SOURCE ADR
 	POP	DE			; DEST ADR
 	LD	BC,SIMRTC_BUFSIZ	; LENGTH
-#IF (INTMODE == 1)
-	DI
-#ENDIF
 	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
-#IF (INTMODE == 1)
-	EI
-#ENDIF
 ;
 	LD	DE,60			; DELAY 60 * 16US = ~1MS
 	CALL	VDELAY			; SLOW DOWN SIMH FOR CLOCK TICKING TEST
@@ -107,13 +101,7 @@ SIMRTC_SETTIM:
 	LD	(HB_DSTBNK),A		; SET IT
 	LD	DE,SIMRTC_BUF		; DEST ADR
 	LD	BC,SIMRTC_BUFSIZ	; LENGTH
-#IF (INTMODE == 1)
-	DI
-#ENDIF
 	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
-#IF (INTMODE == 1)
-	EI
-#ENDIF
 ;
 	LD	HL,SIMRTC_BUF		; POINT TO TEMP BUF
 	LD	A,SIMRTC_CLKWRITE	; WRITE CLOCK COMMAND
--- a/Source/HBIOS/timrtc.asm
+++ b/Source/HBIOS/timrtc.asm
@@ -0,0 +1,230 @@
+;
+;==================================================================================================
+; SYSTEM TIMER BASED CLOCK DRIVER
+;==================================================================================================
+;
+TIMRTC_BUFSIZ	.EQU	6	; SIX BYTE BUFFER (YYMMDDHHMMSS)
+;
+; RTC DEVICE INITIALIZATION ENTRY
+;
+TIMRTC_INIT:
+	CALL	NEWLINE		; FORMATTING
+	PRTS("TIMRTC: $")
+;
+	; HOOK THE HBIOS SECONDS VECTOR
+	LD	HL,(VEC_SECOND+1)	; GET CUR SECONDS VECTOR
+	LD	(TIMRTC_VEC),HL		; SAVE IT INTERNALLY
+	LD	HL,TIMRTC_INT		; OUR SECONDS INT ENTRY
+	LD	(VEC_SECOND+1),HL	; REPLACE IT
+;
+	; DISPLAY CURRENT TIME
+	CALL	TIMRTC_GETTIM0
+	LD	HL,TIMRTC_BCDBUF	; POINT TO BCD BUF
+	CALL	PRTDT
+;
+	XOR	A		; SIGNAL SUCCESS
+	RET
+;
+; RTC DEVICE FUNCTION DISPATCH ENTRY
+;   A: RESULT (OUT), 0=OK, Z=OK, NZ=ERR
+;   B: FUNCTION (IN)
+;
+TIMRTC_DISPATCH:
+	LD	A,B		; GET REQUESTED FUNCTION
+	AND	$0F		; ISOLATE SUB-FUNCTION
+	JP	Z,TIMRTC_GETTIM	; GET TIME
+	DEC	A
+	JP	Z,TIMRTC_SETTIM	; SET TIME
+	DEC	A
+	JP	Z,TIMRTC_GETBYT	; GET NVRAM BYTE VALUE
+	DEC	A
+	JP	Z,TIMRTC_SETBYT	; SET NVRAM BYTE VALUE
+	DEC	A
+	JP	Z,TIMRTC_GETBLK	; GET NVRAM DATA BLOCK VALUES
+	DEC	A
+	JP	Z,TIMRTC_SETBLK	; SET NVRAM DATA BLOCK VALUES 
+	CALL	PANIC
+;
+; NVRAM FUNCTIONS ARE NOT AVAILABLE IN SIMULATOR
+;
+TIMRTC_GETBYT:
+TIMRTC_SETBYT:
+TIMRTC_GETBLK:
+TIMRTC_SETBLK:
+	CALL	PANIC
+;
+; RTC GET TIME
+;   A: RESULT (OUT), 0=OK, Z=OK, NZ=ERR
+;   HL: DATE/TIME BUFFER (OUT)
+; BUFFER FORMAT IS BCD: YYMMDDHHMMSS
+; 24 HOUR TIME FORMAT IS ASSUMED
+;
+TIMRTC_GETTIM:
+	; GET THE TIME INTO TEMP BUF
+	PUSH	HL			; SAVE PTR TO CALLERS BUFFER
+	CALL	TIMRTC_GETTIM0		; GET TIME TO WORK BUFFER
+;
+	; NOW COPY TO REAL DESTINATION (INTERBANK SAFE)
+	LD	A,BID_BIOS		; COPY FROM BIOS BANK
+	LD	(HB_SRCBNK),A		; SET IT
+	LD	A,(HB_INVBNK)		; COPY TO CURRENT USER BANK
+	LD	(HB_DSTBNK),A		; SET IT
+	LD	HL,TIMRTC_BCDBUF	; SOURCE ADR
+	POP	DE			; DEST ADR
+	LD	BC,TIMRTC_BUFSIZ	; LENGTH
+	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
+;
+	LD	DE,60			; DELAY 60 * 16US = ~1MS
+	CALL	VDELAY			; SLOW DOWN SIMH FOR CLOCK TICKING TEST
+	XOR	A			; SIGNAL SUCCESS
+	RET				; AND RETURN
+;
+TIMRTC_GETTIM0:
+	LD	HL,TIMRTC_BINBUF	; FROM BINARY BUFFER
+	LD	DE,TIMRTC_BCDBUF	; TO BCD BUFFER
+	HB_DI
+	CALL	TIMRTC_BIN2BCD		; COPY AND CONVERT
+	HB_EI
+	RET
+;
+; RTC SET TIME
+;   A: RESULT (OUT), 0=OK, Z=OK, NZ=ERR
+;   HL: DATE/TIME BUFFER (IN)
+; BUFFER FORMAT IS BCD: YYMMDDHHMMSSWW
+; 24 HOUR TIME FORMAT IS ASSUMED
+;
+TIMRTC_SETTIM:
+	; COPY TO BCD BUF
+	LD	A,(HB_INVBNK)		; COPY FROM CURRENT USER BANK
+	LD	(HB_SRCBNK),A		; SET IT
+	LD	A,BID_BIOS		; COPY TO BIOS BANK
+	LD	(HB_DSTBNK),A		; SET IT
+	LD	DE,TIMRTC_BCDBUF	; DEST ADR
+	LD	BC,TIMRTC_BUFSIZ	; LENGTH
+	CALL	HB_BNKCPY		; COPY THE CLOCK DATA
+;
+	LD	HL,TIMRTC_BCDBUF	; FROM BCD BUF
+	LD	DE,TIMRTC_BINBUF	; TO BIN BUF
+	HB_DI
+	CALL	TIMRTC_BCD2BIN		; COPY AND CONVERT
+	HB_EI
+;
+	XOR	A			; SIGNAL SUCCESS
+	RET				; AND RETURN
+;
+; HANDLER FOR TIMER SECONDS INTERRUPT
+;
+TIMRTC_INT:
+	LD	HL,TIMRTC_BINBUF + TIMRTC_BUFSIZ - 1
+	INC	(HL)			; INC SECONDS
+	LD	A,59			; MAX VALUE
+	CP	(HL)			; OVERFLOW?
+	JR	NC,TIMRTC_INTX		; NOPE, DONE
+	LD	(HL),0			; BACK TO ZERO
+
+	DEC	HL			; POINT TO MINUTES
+	INC	(HL)			; INCREMENT MINUTE
+	CP	(HL)			; OVERFLOW?
+	JR	NC,TIMRTC_INTX		; NOPE, DONE
+	LD	(HL),0			; BACK TO ZERO
+
+	DEC	HL			; POINT TO HOURS
+	INC	(HL)			; INCREMENT HOURS
+	LD	A,23			; MAX VALUE
+	CP	(HL)			; OVERFLOW?
+	JR	NC,TIMRTC_INTX		; NOPE, DONE
+	LD	(HL),0			; BACK TO ZERO
+
+	DEC	HL			; POINT TO DATE
+	LD	A,(TIMRTC_MO)		; GET CURRENT MONTH
+	DEC	A			; ZERO OFFSET
+	LD	DE,TIMRTC_MONTBL	; POINT TO DAYS IN MON TBL
+	ADD	A,E			; ADD OFFSET
+	LD	E,A			; BACK TO E
+	JR	NC,TIMRTC_INT1		; NO CARRY, SKIP
+	INC	D			; HANDLE CARRY
+TIMRTC_INT1:
+	LD	A,(DE)			; A := DAYS IN MONTH
+	LD	C,A			; COPY TO C FOR LATER
+	LD	A,(TIMRTC_MO)		; GET CURRENT MONTH
+	CP	2			; FEBRUARY?
+	JR	NZ,TIMRTC_INT2		; IF NOT, NOT LEAY, SKIP
+	LD	A,(TIMRTC_YR)		; GET CURRENT YEAR
+	AND	$03			; CHECK FOR LEAP
+	JR	NZ,TIMRTC_INT2		; IF NOT LEAP, SKIP AHEAD
+	INC	C			; BUMP DAYS IN FEB FOR LEAP
+TIMRTC_INT2:
+	INC	(HL)			; INCREMENT DATE
+	LD	A,C			; A := TRUE DAYS IN MONTH + 1
+	CP	(HL)			; OVERFLOW?
+	JR	NZ,TIMRTC_INTX		; NOPE, DONE
+	LD	(HL),1			; BACK TO DAY ONE
+
+	DEC	HL			; POINT TO MONTH
+	INC	(HL)			; INCREMENT MONTH
+	LD	A,13			; PAST MAX?
+	CP	(HL)			; OVERFLOW?
+	JR	NZ,TIMRTC_INTX		; NOPE, DONE
+	LD	(HL),1			; BACK TO MONTH ONE
+
+	DEC	HL			; POINT TO YEAR
+	INC	(HL)			; INCREMENT YEAR
+	LD	A,100			; PAST MAX?
+	CP	(HL)			; OVERFLOW?
+	JR	NZ,TIMRTC_INTX		; NOPE, DONE
+	LD	(HL),0			; BACK TO YEAR ZERO
+TIMRTC_INTX:
+	JP	PANIC
+TIMRTC_VEC	.EQU	$-2
+;
+; CONVERT FROM BINARY BUF (HL) TO BCD BUF (DE)
+;
+TIMRTC_BIN2BCD:
+	LD	B,TIMRTC_BUFSIZ
+TIMRTC_BIN2BCD1:
+	LD	A,(HL)
+	CALL	BYTE2BCD
+	LD	(DE),A
+	INC	HL
+	INC	DE
+	DJNZ	TIMRTC_BIN2BCD1
+	RET
+;
+; CONVERT FROM BCD BUF (HL) TO BINARY BUF (DE)
+;
+TIMRTC_BCD2BIN
+	LD	B,TIMRTC_BUFSIZ
+TIMRTC_BCD2BIN1:
+	LD	A,(HL)
+	CALL	BCD2BYTE
+	LD	(DE),A
+	INC	HL
+	INC	DE
+	DJNZ	TIMRTC_BCD2BIN1
+	RET
+;
+; WORKING VARIABLES
+;
+TIMRTC_BINBUF:	; ALL IN BINARY
+TIMRTC_YR	.DB	20
+TIMRTC_MO	.DB	01
+TIMRTC_DT	.DB	01
+TIMRTC_HH	.DB	00
+TIMRTC_MM	.DB	00
+TIMRTC_SS	.DB	00
+;
+TIMRTC_BCDBUF	.FILL	TIMRTC_BUFSIZ
+;
+TIMRTC_MONTBL:	; DAYS IN MONTH + 1
+		.DB	32	; JANUARY
+		.DB	29	; FEBRUARY (NON-LEAP)
+		.DB	32	; MARCH
+		.DB	31	; APRIL
+		.DB	32	; MAY
+		.DB	31	; JUNE
+		.DB	32	; JULY
+		.DB	32	; AUGUST
+		.DB	31	; SEPTEMBER
+		.DB	32	; OCTOBER
+		.DB	31	; NOVEMBER
+		.DB	32	; DECEMBER
--- a/Source/HBIOS/usrrom.asm
+++ b/Source/HBIOS/usrrom.asm
@@ -67,8 +67,9 @@ CIN:	PUSH	BC
 	POP	BC
 	RET
 ;
-BOOTMSG:.DB	"No User ROM Installed."
-	.DB	CR,LF
+BOOTMSG:.DB	CR,LF,CR,LF
+	.DB	"No User ROM Installed."
+	.DB	CR,LF,CR,LF
 	.DB	"Press a key to return to Boot Loader.$"
 ;				
 SLACK	.EQU	(USR_END - $)
--- a/Source/HBIOS/util.asm
+++ b/Source/HBIOS/util.asm
@@ -566,8 +566,6 @@ BYTE2BCD1:
 	POP	BC
 	RET

-#IF (BIOS == BIOS_WBW)
-
 #IFDEF USEDELAY

 ;
@@ -592,9 +590,11 @@ DELAY:				; 17TS (FROM INVOKING CALL)	|
 DELAY1:				;				|
 	; --- LOOP = ((CPUSCL * 16) - 5) TS ------------+	|
 	DEC	A		; 4TS			|	|
-#IF (CPUFAM == CPU_Z180)	;			|	|
+  #IF (BIOS == BIOS_WBW)	;			|	|
+    #IF (CPUFAM == CPU_Z180)	;			|	|
 	OR	A		; +4TS FOR Z180		|	|
-#ENDIF				;			|	|
+    #ENDIF			;			|	|
+  #ENDIF			;			|	|
 	JR	NZ,DELAY1	; 12TS (NZ) / 7TS (Z)	|	|
 	; ----------------------------------------------+	|
 ;								|
@@ -623,17 +623,21 @@ VDELAY:				; 17TS (FROM INVOKING CALL)		|
 ;								|	|
 VDELAY1:			;				|	|
 	; --- INNER LOOP = ((CPUSCL * 16) - 5) TS ------+	|	|
-#IF (CPUFAM == CPU_Z180)	;			|	|	|
+  #IF (BIOS == BIOS_WBW)	;			|	|	|
+    #IF (CPUFAM == CPU_Z180)	;			|	|	|
 	OR	A		; +4TS FOR Z180		|	|	|
-#ENDIF				;			|	|	|
+    #ENDIF			;			|	|	|
+  #ENDIF			;			|	|	|
 	DEC	A		; 4TS			|	|	|
 	JR	NZ,VDELAY1	; 12TS (NZ) / 7TS (Z)	|	|	|
 	; ----------------------------------------------+	|	|
 ;								|	|
 	DEC	DE		; 6TS				|	|
-#IF (CPUFAM == CPU_Z180)	;				|	|
+  #IF (BIOS == BIOS_WBW)	;			|	|	|
+    #IF (CPUFAM == CPU_Z180)	;				|	|
 	OR	A		; +4TS FOR Z180			|	|
-#ENDIF				;				|	|
+    #ENDIF			;				|	|
+  #ENDIF			;				|	|
 	LD	A,D		; 4TS				|	|
 	OR	E		; 4TS				|	|
 	JP	NZ,VDELAY	; 10TS				|	|
@@ -659,7 +663,7 @@ LDELAY:
 ; CPU SCALER := MAX(1, (PHIMHZ - 2))
 ;
 DELAY_INIT:
-#IF (BIOS == BIOS_UNA)
+  #IF (BIOS == BIOS_UNA)
 	LD	C,$F8			; UNA BIOS GET PHI FUNCTION
 	RST	08			; RETURNS SPEED IN HZ IN DE:HL
 	LD	B,4			; DIVIDE MHZ IN DE:HL BY 100000H 
@@ -669,12 +673,12 @@ DELAY_INIT0:
 	DJNZ	DELAY_INIT0		; ...RIGHT SHIFT DE BY 4.
 	INC	E			; FIX UP FOR VALUE TRUNCATION
 	LD	A,E			; PUT IN A
-#ELSE
+  #ELSE
 	LD	B,BF_SYSGET		; HBIOS FUNC=GET SYS INFO
 	LD	C,BF_SYSGET_CPUINFO	; HBIOS SUBFUNC=GET CPU INFO
 	RST	08			; CALL HBIOS, RST 08 NOT YET INSTALLED
 	LD	A,L			; PUT SPEED IN MHZ IN ACCUM
-#ENDIF
+  #ENDIF
 	CP	3			; TEST FOR <= 2 (SPECIAL HANDLING)
 	JR	C,DELAY_INIT1		; IF <= 2, SPECIAL PROCESSING
 	SUB	2			; ADJUST AS REQUIRED BY DELAY FUNCTIONS
@@ -685,13 +689,11 @@ DELAY_INIT2:
 	LD	(CPUSCL),A		; UPDATE CPU SCALER VALUE
 	RET

-#IF (CPUMHZ < 3)
+  #IF (CPUMHZ < 3)
 CPUSCL	.DB	1			; CPU SCALER MUST BE > 0
-#ELSE
+  #ELSE
 CPUSCL	.DB	CPUMHZ - 2		; OTHERWISE 2 LESS THAN PHI MHZ
-#ENDIF
-;
-#ENDIF
+  #ENDIF
 ;
 #ENDIF
 ;
@@ -700,13 +702,15 @@ CPUSCL	.DB	CPUMHZ - 2		; OTHERWISE 2 LESS THAN PHI MHZ
 ; NUMBER OF CALL/RET INVOCATIONS.  A SINGLE CALL/RET IS
 ; 27 T-STATES ON A Z80, 25 T-STATES ON A Z180
 ;
-DLY64:	CALL	DLY32
-DLY32:	CALL	DLY16
-DLY16:	CALL	DLY8
-DLY8:	CALL	DLY4
-DLY4:	CALL	DLY2
-DLY2:	CALL	DLY1
-DLY1:	RET
+;			; Z80	Z180
+;			; ----	----
+DLY64:	CALL	DLY32	; 1728	1600
+DLY32:	CALL	DLY16	; 864	800
+DLY16:	CALL	DLY8	; 432	400
+DLY8:	CALL	DLY4	; 216	200
+DLY4:	CALL	DLY2	; 108	100
+DLY2:	CALL	DLY1	; 54	50
+DLY1:	RET		; 27	25
 ;
 ; MULTIPLY 8-BIT VALUES
 ; IN:  MULTIPLY H BY E