2015-12-15 23:59:49 +00:00
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StopRTC: ; Unreferenced???
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ld a, SRAM_ENABLE
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ld [MBC3SRamEnable], a
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call LatchClock
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ld a, RTC_DH
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ld [MBC3SRamBank], a
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ld a, [MBC3RTC]
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set 6, a ; halt
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ld [MBC3RTC], a
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call CloseSRAM
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ret
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; 14019
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StartRTC: ; 14019
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ld a, SRAM_ENABLE
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ld [MBC3SRamEnable], a
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call LatchClock
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ld a, RTC_DH
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ld [MBC3SRamBank], a
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ld a, [MBC3RTC]
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res 6, a ; halt
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ld [MBC3RTC], a
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call CloseSRAM
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ret
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; 14032
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GetTimeOfDay:: ; 14032
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; get time of day based on the current hour
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ld a, [hHours] ; hour
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ld hl, TimesOfDay
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.check
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; if we're within the given time period,
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; get the corresponding time of day
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cp [hl]
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jr c, .match
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; else, get the next entry
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inc hl
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2016-05-04 15:46:23 +00:00
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inc hl
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2015-12-15 23:59:49 +00:00
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; try again
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jr .check
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.match
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; get time of day
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inc hl
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ld a, [hl]
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ld [TimeOfDay], a
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ret
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; 14044
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TimesOfDay: ; 14044
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; hours for the time of day
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2017-12-11 17:20:01 +00:00
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; 0400-0959 morn | 1000-1759 day | 1800-0359 nite
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db MORN_HOUR, NITE_F
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db DAY_HOUR, MORN_F
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db NITE_HOUR, DAY_F
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db MAX_HOUR, NITE_F
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2017-12-11 06:02:28 +00:00
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db -1, MORN_F
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2015-12-15 23:59:49 +00:00
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; 1404e
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2017-12-25 01:07:23 +00:00
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Unknown_1404e: ; unreferenced
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db 20, NITE_F
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db 40, MORN_F
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db 60, DAY_F
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db -1, MORN_F
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2015-12-15 23:59:49 +00:00
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; 14056
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StageRTCTimeForSave: ; 14056
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call UpdateTime
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ld hl, wRTC
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ld a, [CurDay]
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ld [hli], a
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ld a, [hHours]
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ld [hli], a
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ld a, [hMinutes]
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ld [hli], a
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ld a, [hSeconds]
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ld [hli], a
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ret
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; 1406a
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SaveRTC: ; 1406a
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ld a, $a
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ld [MBC3SRamEnable], a
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call LatchClock
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ld hl, MBC3RTC
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ld a, $c
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ld [MBC3SRamBank], a
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res 7, [hl]
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ld a, BANK(sRTCStatusFlags)
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ld [MBC3SRamBank], a
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xor a
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ld [sRTCStatusFlags], a
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call CloseSRAM
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ret
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; 14089
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StartClock:: ; 14089
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call GetClock
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call Function1409b
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call FixDays
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jr nc, .skip_set
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; bit 5: Day count exceeds 139
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; bit 6: Day count exceeds 255
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call RecordRTCStatus ; set flag on sRTCStatusFlags
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.skip_set
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call StartRTC
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ret
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; 1409b
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Function1409b: ; 1409b
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ld hl, hRTCDayHi
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bit 7, [hl]
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jr nz, .set_bit_7
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bit 6, [hl]
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jr nz, .set_bit_7
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xor a
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ret
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.set_bit_7
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; Day count exceeds 16383
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ld a, %10000000
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call RecordRTCStatus ; set bit 7 on sRTCStatusFlags
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ret
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; 140ae
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Function140ae: ; 140ae
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call CheckRTCStatus
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ld c, a
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and %11000000 ; Day count exceeded 255 or 16383
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jr nz, .time_overflow
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ld a, c
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and %00100000 ; Day count exceeded 139
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jr z, .dont_update
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call UpdateTime
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ld a, [wRTC + 0]
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ld b, a
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ld a, [CurDay]
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cp b
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jr c, .dont_update
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.time_overflow
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2017-12-24 17:47:30 +00:00
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farcall ClearDailyTimers
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farcall Function170923
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2015-12-15 23:59:49 +00:00
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; mobile
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2018-01-08 22:13:37 +00:00
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ld a, 5 ; MBC30 bank used by JP Crystal; inaccessible by MBC3
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2015-12-15 23:59:49 +00:00
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call GetSRAMBank
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ld a, [$aa8c]
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inc a
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ld [$aa8c], a
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ld a, [$b2fa]
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inc a
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ld [$b2fa], a
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call CloseSRAM
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ret
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.dont_update
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xor a
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ret
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; 140ed
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2015-12-19 01:07:09 +00:00
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_InitTime:: ; 140ed
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2015-12-15 23:59:49 +00:00
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call GetClock
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call FixDays
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ld hl, hRTCSeconds
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ld de, StartSecond
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ld a, [StringBuffer2 + 3]
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sub [hl]
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dec hl
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jr nc, .okay_secs
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add 60
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.okay_secs
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ld [de], a
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dec de
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ld a, [StringBuffer2 + 2]
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sbc [hl]
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dec hl
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jr nc, .okay_mins
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add 60
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.okay_mins
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ld [de], a
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dec de
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ld a, [StringBuffer2 + 1]
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sbc [hl]
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dec hl
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jr nc, .okay_hrs
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add 24
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.okay_hrs
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ld [de], a
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dec de
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ld a, [StringBuffer2]
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sbc [hl]
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dec hl
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jr nc, .okay_days
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add 140
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ld c, 7
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call SimpleDivide
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.okay_days
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ld [de], a
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ret
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; 1412a
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