Cange note：
“Reading TMR1H will latch the contents of TMR1H and TMR1L counter to the destination”? For example < MOV a,TMR1H >, but accumulator only 8-bit, how can latch TMR1H and TMR1L
Read_Temp:
IFNDEF RELEASE_VERSION
mov a,lastram
mov temperature,a ;store calculated temperatur (table pos.)
ret
ENDIF
snz flag3.f_read_temp
;jmp read_temp_end
ret ;V05_Joey
clr flag3.f_read_temp
mov a,4
mov temploop,a
clr ntcl
clr ntch
loop_ntc:
clr EMI ;disable all interrupts
set outa.RV ;set all I/Os in normal pos
set outa.NTC
clr outa.TR
set outa.RS
mov a,outa
mov PA,a
call delay_100us ;time to discharge cap
clr TMR1
clr TMR0
set TMR1C.4 ;enable TMR1
set TMR0C.4 ;enable TMR0
clr outa.NTC ;now test NTC time
set outa.TR
mov a,outa
mov PA,a
nop
nop
wait_AD_NTC:
sz PA.Rs ;
jmp wait_AD_NTC
clr TMR0C.4 ;disable TMR0
clr TMR1C.4 ;disable TMR1
set outa.NTC ;discarge cap
clr outa.TR
mov a,outa
mov PA,a
mov a,TMR0
addm a,ntcl
mov a,TMR1
adcm a,ntch
dec temploop
snz z
jmp loop_ntc
clr c
rrc ntch
rrc ntcl ;NTC / 2
clr c
rrc ntch
rrc ntcl ;NTC / 4
