mirror of
https://github.com/italicsjenga/agb.git
synced 2024-12-27 18:21:34 +11:00
37 lines
965 B
C
37 lines
965 B
C
|
/* Copyright (c) 2013-2016 Jeffrey Pfau
|
||
|
|
*
|
||
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||
|
|
#ifndef GBA_TIMER_H
|
||
|
|
#define GBA_TIMER_H
|
||
|
|
|
||
|
|
#include <mgba-util/common.h>
|
||
|
|
|
||
|
|
CXX_GUARD_START
|
||
|
|
|
||
|
|
#include <mgba/core/timing.h>
|
||
|
|
|
||
|
|
DECL_BITFIELD(GBATimerFlags, uint32_t);
|
||
|
|
DECL_BITS(GBATimerFlags, PrescaleBits, 0, 4);
|
||
|
|
DECL_BIT(GBATimerFlags, CountUp, 4);
|
||
|
|
DECL_BIT(GBATimerFlags, DoIrq, 5);
|
||
|
|
DECL_BIT(GBATimerFlags, Enable, 6);
|
||
|
|
|
||
|
|
struct GBA;
|
||
|
|
struct GBATimer {
|
||
|
|
uint16_t reload;
|
||
|
|
int32_t lastEvent;
|
||
|
|
struct mTimingEvent event;
|
||
|
|
GBATimerFlags flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
void GBATimerInit(struct GBA* gba);
|
||
|
|
void GBATimerUpdateRegister(struct GBA* gba, int timer, int32_t cyclesLate);
|
||
|
|
void GBATimerWriteTMCNT_LO(struct GBA* gba, int timer, uint16_t value);
|
||
|
|
void GBATimerWriteTMCNT_HI(struct GBA* gba, int timer, uint16_t value);
|
||
|
|
|
||
|
|
CXX_GUARD_END
|
||
|
|
|
||
|
|
#endif
|