Remove RTC (#1) and remove time of day dependence on RTC (#7) [Commit #2]

home/init.asm

@@ -141,7 +141,6 @@ Init::
 	ldh [hBGMapAddress], a
 
 	xor a ; SRAM_DISABLE
-	ld [MBC3LatchClock], a
 	ld [MBC3SRamEnable], a
 
 	ldh a, [hCGB]

home/map_objects.asm

@@ -270,7 +270,7 @@ CheckObjectTime::
 	ld hl, MAPOBJECT_HOUR_2
 	add hl, bc
 	ld e, [hl]
-	ld hl, hHours
+	ld hl, wGameTimeHours + 1
 	ld a, d
 	cp e
 	jr z, .yes

home/sram.asm

@@ -23,10 +23,7 @@ endc
 .valid:
 ; switch to sram bank a
 	push af
-; latch clock data
-	ld a, 1
-	ld [MBC3LatchClock], a
-; enable sram/clock write
+; enable sram write
 	ld a, SRAM_ENABLE
 	ld [MBC3SRamEnable], a
 ; select sram bank
@@ -37,9 +34,7 @@ endc
 CloseSRAM::
 	push af
 	ld a, SRAM_DISABLE
-; reset clock latch for next time
-	ld [MBC3LatchClock], a
-; disable sram/clock write
+; disable sram write
 	ld [MBC3SRamEnable], a
 	pop af
 	ret

home/time.asm

@@ -1,4 +1,43 @@
-; Functions relating to the timer interrupt.
-
 Timer::
 	reti
+
+InitTime::
+	ld hl, wStartDay
+	ld [hli], a ; wStartDay
+	ld [hli], a ; wStartHour
+	ld [hli], a ; wStartMinute
+	ld [hl], a ; wStartSecond
+	ret
+
+AdvanceTimeOfDay::
+	ld hl, .TimeOfDayOrder
+	ld a, [wTimeOfDay]
+	maskbits NUM_DAYTIMES
+.loop
+	cp [hl]
+	inc hl
+	jr z, .gotTimeOfDay
+	jr .loop
+.gotTimeOfDay
+	ld a, [hl]
+	ld [wTimeOfDay], a
+	cp MORN_F
+	ret nz
+
+; advance wCurDay and clear daily timers on a transition from NITE to MORN
+	ld a, [wCurDay]
+	cp MAX_DAYS
+	jr z, .restart_days
+	inc a
+	jr .set_days
+.restart_days
+	xor a
+.set_days
+	ld [wCurDay], a
+
+	call ClearDailyTimers
+
+	ret
+
+.TimeOfDayOrder:
+	db MORN_F, DAY_F, NITE_F, MORN_F, MORN_F

home/vblank.asm

@@ -139,9 +139,6 @@ VBlank0::
 	ldh a, [hROMBankBackup]
 	rst Bankswitch
 
-	ldh a, [hSeconds]
-	ldh [hUnusedBackup], a
-
 	ret
 
 VBlank2::