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Make tick frequency configurable

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This commit is contained in:
Wayne Warthen
2020-04-23 17:28:18 -07:00
parent d14cf27acf
commit dc2f55570c
15 changed files with 39 additions and 12 deletions
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1
Source/HBIOS/cfg_dyno.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_ezz80.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_master.asm
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@@ -16,6 +16,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_mk4.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_n8.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_rcz180.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_rcz80.asm
View File

@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_sbc.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_scz180.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; HARDWARE BIOS: BIOS_[WBW|UNA]
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

1
Source/HBIOS/cfg_zeta.asm
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@@ -19,6 +19,7 @@ BIOS .EQU BIOS_WBW ; BIOS_[WBW|UNA]: HARDWARE BIOS
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
TICKFREQ .EQU 50 ; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
;
BOOT_TIMEOUT .EQU 0 ; AUTO BOOT TIMEOUT IN SECONDS, 0 TO DISABLE
;

13
Source/HBIOS/ctc.asm
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@@ -21,19 +21,24 @@ CTC_PREIO .EQU CTCBASE + CTCPRECH
CTC_SCLIO .EQU CTCBASE + CTCTIMCH
;
#IF (CTCMODE == CTCMODE_CTR)
CTC_DIV .EQU CTCOSC / 50
CTC_DIV .EQU CTCOSC / TICKFREQ
#ENDIF
#IF (CTCMODE == CTCMODE_TIM16)
CTC_DIV .EQU CTCOSC / 16 / 50
CTC_DIV .EQU CTCOSC / 16 / TICKFREQ
#ENDIF
#IF (CTCMODE == CTCMODE_TIM256)
CTC_DIV .EQU CTCOSC / 256 / 50
CTC_DIV .EQU CTCOSC / 256 / TICKFREQ
#ENDIF
;
.ECHO "CTC DIVISOR: "
.ECHO CTC_DIV
.ECHO "\n"
;
#IF ((CTC_DIV == 0) | (CTC_DIV > $FFFF))
.ECHO "COMPUTED CTC DIVISOR IS UNUSABLE!\n"
!!!
#ENDIF
;
CTC_DIVHI .EQU ((CTC_DIV >> 8) & $FF)
CTC_DIVLO .EQU (CTC_DIV & $FF)
;
@@ -91,7 +96,7 @@ CTC_PREINIT1:
OUT (CTCBASE),A ; SETUP CTC BASE INT VECTOR
;
; IN ORDER TO DIVIDE THE CTC INPUT CLOCK DOWN TO THE
; DESIRED 50 HZ PERIODIC INTERRUPT, WE NEED TO CONFIGURE ONE
; DESIRED PERIODIC INTERRUPT, WE NEED TO CONFIGURE ONE
; CTC CHANNEL AS A PRESCALER AND ANOTHER AS THE ACTUAL
; TIMER INTERRUPT. THE PRESCALE CHANNEL OUTPUT MUST BE WIRED
; TO THE TIMER CHANNEL TRIGGER INPUT VIA HARDWARE.

22
Source/HBIOS/hbios.asm
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@@ -1228,6 +1228,20 @@ HB_CPU2:
LD (IVT(INT_TIM0)),HL ; Z180 TIMER 0
; SETUP PERIODIC TIMER INTERRUPT ON TIMER 0
; *** THIS ASSUMES A TICKFREQ OF 50HZ!!! ***
;
#IF (TICKFREQ != 50)
.ECHO "TICKFREQ *MUST* BE 50 FOR Z180 TIMER\n"
!!!
#ENDIF
;
; Z180 PRESCALES THE COUNTER BY 20 SO,
; RLDR = CPU CLK / 20 / TICKFREQ
; IF WE ASSUME TICKFREQ = 50, WE CAN SIMPIFY TO
; RLDR = CPU CLK / 1000
; NOW IF DIVIDE BOTH SIDES BY 1000, WE CAN USE
; CPUKHZ VALUE AND SIMPLIFY TO
; RLDR = CPUKHZ
LD HL,(CB_CPUKHZ) ; 50HZ = 18432000 / 20 / 50 / X, SO X = CPU KHZ
OUT0 (Z180_TMDR0L),L ; INITIALIZE TIMER 0 DATA REGISTER
OUT0 (Z180_TMDR0H),H
@@ -2453,7 +2467,7 @@ SYS_GETSECS:
LD A,(HB_SECTCK)
HB_EI
NEG ; CONVERT DOWNCOUNTER TO UPCOUNTER
ADD A,TICKSPERSEC
ADD A,TICKFREQ
LD C,A
XOR A
RET
@@ -2799,9 +2813,9 @@ HB_TICK:
LD HL,HB_TICKS ; POINT TO TICK COUNTER
CALL INC32HL
LD HL,HB_SECTCK ; POINT TO SECONDS TICK COUNTER
DEC (HL) ; COUNTDOWN 50 TICKS
DEC (HL) ; COUNTDOWN ONE SECOND OF TICKS
JR NZ,HB_TICK1 ; NOT DONE, SKIP AHEAD
LD A,TICKSPERSEC ; 50 TICKS PER SECOND
LD A,TICKFREQ ; TICKS PER SECOND
LD (HL),A ; RESET COUNTDOWN REGISTER
CALL VEC_SECOND ; DO SECONDS PROCESSING VIA VECTOR
;
@@ -4179,7 +4193,7 @@ IDLECOUNT .DB 0
HEAPCURB .DW 0 ; MARK HEAP ADDRESS AFTER INITIALIZATION
;
HB_TICKS .FILL 4,0 ; 32 BIT TICK COUNTER
HB_SECTCK .DB TICKSPERSEC ; TICK COUNTER FOR FRACTIONAL SECONDS
HB_SECTCK .DB TICKFREQ ; TICK COUNTER FOR FRACTIONAL SECONDS
HB_SECS .FILL 4,0 ; 32 BIT SECONDS COUNTER
;
HB_CPUTYPE .DB 0 ; 0=Z80, 1=80180, 2=SL1960, 3=ASCI BRG

2
Source/HBIOS/std.asm
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@@ -345,8 +345,6 @@ CPUKHZ .SET CPUKHZ * 2 ; ADJUST FOR DOUBLE SPEED OPERATION
;
CPUMHZ .EQU CPUKHZ / 1000 ; CPU FREQ IN MHZ
;
TICKSPERSEC .EQU 50
;
; MEMORY BANK CONFIGURATION
;
#IF (BIOS == BIOS_UNA)

2
Source/ver.inc
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@@ -2,4 +2,4 @@
#DEFINE RMN 1
#DEFINE RUP 0
#DEFINE RTP 0
#DEFINE BIOSVER "3.1-pre.10"
#DEFINE BIOSVER "3.1-pre.11"

2
Source/ver.lib
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@@ -3,5 +3,5 @@ rmn equ 1
rup equ 0
rtp equ 0
biosver macro
db "3.1-pre.10"
db "3.1-pre.11"
endm