ref: b2970e75f4d1a7a2bc7ac58a656ffd350a80cf0a
dir: /engine/rtc.asm/
Unreferenced_StopRTC: ld a, SRAM_ENABLE ld [MBC3SRamEnable], a call LatchClock ld a, RTC_DH ld [MBC3SRamBank], a ld a, [MBC3RTC] set 6, a ; halt ld [MBC3RTC], a call CloseSRAM ret ; 14019 StartRTC: ; 14019 ld a, SRAM_ENABLE ld [MBC3SRamEnable], a call LatchClock ld a, RTC_DH ld [MBC3SRamBank], a ld a, [MBC3RTC] res 6, a ; halt ld [MBC3RTC], a call CloseSRAM ret ; 14032 GetTimeOfDay:: ; 14032 ; get time of day based on the current hour ld a, [hHours] ; hour ld hl, TimesOfDay .check ; if we're within the given time period, ; get the corresponding time of day cp [hl] jr c, .match ; else, get the next entry inc hl inc hl ; try again jr .check .match ; get time of day inc hl ld a, [hl] ld [TimeOfDay], a ret ; 14044 TimesOfDay: ; 14044 ; hours for the time of day ; 0400-0959 morn | 1000-1759 day | 1800-0359 nite db MORN_HOUR, NITE_F db DAY_HOUR, MORN_F db NITE_HOUR, DAY_F db MAX_HOUR, NITE_F db -1, MORN_F ; 1404e Unreferenced_1404e: db 20, NITE_F db 40, MORN_F db 60, DAY_F db -1, MORN_F ; 14056 StageRTCTimeForSave: ; 14056 call UpdateTime ld hl, wRTC ld a, [CurDay] ld [hli], a ld a, [hHours] ld [hli], a ld a, [hMinutes] ld [hli], a ld a, [hSeconds] ld [hli], a ret ; 1406a SaveRTC: ; 1406a ld a, $a ld [MBC3SRamEnable], a call LatchClock ld hl, MBC3RTC ld a, $c ld [MBC3SRamBank], a res 7, [hl] ld a, BANK(sRTCStatusFlags) ld [MBC3SRamBank], a xor a ld [sRTCStatusFlags], a call CloseSRAM ret ; 14089 StartClock:: ; 14089 call GetClock call Function1409b call FixDays jr nc, .skip_set ; bit 5: Day count exceeds 139 ; bit 6: Day count exceeds 255 call RecordRTCStatus ; set flag on sRTCStatusFlags .skip_set call StartRTC ret ; 1409b Function1409b: ; 1409b ld hl, hRTCDayHi bit 7, [hl] jr nz, .set_bit_7 bit 6, [hl] jr nz, .set_bit_7 xor a ret .set_bit_7 ; Day count exceeds 16383 ld a, %10000000 call RecordRTCStatus ; set bit 7 on sRTCStatusFlags ret ; 140ae Function140ae: ; 140ae call CheckRTCStatus ld c, a and %11000000 ; Day count exceeded 255 or 16383 jr nz, .time_overflow ld a, c and %00100000 ; Day count exceeded 139 jr z, .dont_update call UpdateTime ld a, [wRTC + 0] ld b, a ld a, [CurDay] cp b jr c, .dont_update .time_overflow farcall ClearDailyTimers farcall Function170923 ; mobile ld a, 5 ; MBC30 bank used by JP Crystal; inaccessible by MBC3 call GetSRAMBank ld a, [$aa8c] ; address of MBC30 bank inc a ld [$aa8c], a ; address of MBC30 bank ld a, [$b2fa] ; address of MBC30 bank inc a ld [$b2fa], a ; address of MBC30 bank call CloseSRAM ret .dont_update xor a ret ; 140ed _InitTime:: ; 140ed call GetClock call FixDays ld hl, hRTCSeconds ld de, StartSecond ld a, [StringBuffer2 + 3] sub [hl] dec hl jr nc, .okay_secs add 60 .okay_secs ld [de], a dec de ld a, [StringBuffer2 + 2] sbc [hl] dec hl jr nc, .okay_mins add 60 .okay_mins ld [de], a dec de ld a, [StringBuffer2 + 1] sbc [hl] dec hl jr nc, .okay_hrs add 24 .okay_hrs ld [de], a dec de ld a, [StringBuffer2] sbc [hl] dec hl jr nc, .okay_days add 140 ld c, 7 call SimpleDivide .okay_days ld [de], a ret ; 1412a