Minor Cleanup

Source/HBIOS/cfg_ezz80.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	10000000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_master.asm

@@ -20,7 +20,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	8000000		; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_mk4.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_n8.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_rcz180.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_rcz80.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	7372800		; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_sbc.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	8000000		; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_scz180.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_zeta.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	20000000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	0		; INTERRUPT MODE: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/cfg_zeta2.asm

@@ -23,7 +23,6 @@ BOOT_TIMEOUT	.EQU	20		; AUTO BOOT TIMEOUT IN SECONDS, 0 FOR IMMEDIATE BOOT
 BOOT_DEFAULT	.EQU	'Z'		; AUTO BOOT SELECTION TO INVOKE AT TIMEOUT
 ;
 CPUOSC		.EQU	20000000	; CPU OSC FREQ IN MHZ
-TICKSPERSEC	.EQU	50		; TICKS PER SECOND
 INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;

Source/HBIOS/hbios.asm

@@ -1245,13 +1245,15 @@ HB_CPU1:
 	LD	(IVT(INT_TIM0)),HL	; Z180 TIMER 0
 
 	; SETUP PERIODIC TIMER INTERRUPT ON TIMER 0
-	LD	HL,CPUOSC/TICKSPERSEC/20-1	; 50HZ = 18432000 / 50 / 20
-	LD	B,0
-	LD	C,Z180_RLDR0L		; INITIALIZE TIMER 0 RELOAD REGISTER
+;	LD	HL,CPUOSC/TICKSPERSEC/20-1	; 50HZ = 18432000 / 50 / 20
+	LD	HL,(CPUKHZ)		; 50HZ = 18432000 / 20 / 50 / X, SO X = CPU KHZ
+	LD	B,0			; 16-BIT I/O ADDRESS
+	LD	C,Z180_TMDR0L		; INITIALIZE TIMER 0 DATA REGISTER
 	OUT	(C),L
 	INC	C
 	OUT	(C),H
-	LD	C,Z180_TMDR0L		; INITIALIZE TIMER 0 DATA REGISTER
+	DEC	HL			; RELOAD OCCURS *AFTER* ZERO
+	LD	C,Z180_RLDR0L		; INITIALIZE TIMER 0 RELOAD REGISTER
 	OUT	(C),L
 	INC	C
 	OUT	(C),H

Source/HBIOS/std.asm

@@ -297,20 +297,22 @@ FORCECON	.EQU	0	; DEFAULT IS TO FOLLOW NORMAL SEQUENCE
 ;
 ; SETUP DEFAULT CPU SPEED VALUES
 ;
-CPUKHZ	.EQU	CPUOSC / 1000	; CPU FREQ IN KHZ
+CPUKHZ		.EQU	CPUOSC / 1000	; CPU FREQ IN KHZ
 ;
 #IF (BIOS == BIOS_WBW)
   #IF (CPUFAM == CPU_Z180)
     #IF (Z180_CLKDIV == 0)
-CPUKHZ	.SET	CPUKHZ / 2	; ADJUST FOR HALF SPEED OPERATION
+CPUKHZ		.SET	CPUKHZ / 2	; ADJUST FOR HALF SPEED OPERATION
     #ENDIF
     #IF (Z180_CLKDIV == 2)
-CPUKHZ	.SET	CPUKHZ * 2	; ADJUST FOR DOUBLE SPEED OPERATION
+CPUKHZ		.SET	CPUKHZ * 2	; ADJUST FOR DOUBLE SPEED OPERATION
     #ENDIF
   #ENDIF
 #ENDIF
 ;
-CPUMHZ	.EQU	CPUKHZ / 1000	; CPU FREQ IN MHZ
+CPUMHZ		.EQU	CPUKHZ / 1000	; CPU FREQ IN MHZ
+;
+TICKSPERSEC	.EQU	50
 ;
 ; MEMORY BANK CONFIGURATION
 ;