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[nostalgia/core/gba] Add IRQ system

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This commit is contained in:
Gary Talent
2020-06-21 11:48:18 -05:00
parent d664979868
commit 89aadfb606
8 changed files with 96 additions and 11 deletions
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src/nostalgia/core/gba/addresses.hpp
+15 -4
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@@ -1,18 +1,30 @@
/*
* Copyright 2016 - 2019 gtalent2@gmail.com
* Copyright 2016 - 2020 gtalent2@gmail.com
*
* 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/.
*/
#pragma once
#include <ox/std/types.hpp>
/////////////////////////////////////////////////////////////////
// I/O Registers
// Interrupt Handler
#define REG_DISPCNT *reinterpret_cast<volatile uint32_t*>(0x04000000)
using interrupt_handler = void (*)(void);
#define REG_ISR *reinterpret_cast<interrupt_handler*>(0x03007FFC)
#define REG_IE *reinterpret_cast<volatile uint16_t*>(0x04000200)
#define REG_IF *reinterpret_cast<volatile uint16_t*>(0x04000202)
#define REG_IME *reinterpret_cast<volatile uint16_t*>(0x04000208)
/////////////////////////////////////////////////////////////////
// Display Registers
#define REG_DISPCNT *reinterpret_cast<volatile uint32_t*>(0x04000000)
#define REG_DISPSTAT *reinterpret_cast<volatile uint32_t*>(0x04000004)
#define REG_VCOUNT *reinterpret_cast<volatile uint32_t*>(0x04000006)
/////////////////////////////////////////////////////////////////
// background registers
@@ -35,7 +47,6 @@
#define REG_BG2VOFS *reinterpret_cast<volatile uint32_t*>(0x0400001a)
#define REG_BG3VOFS *reinterpret_cast<volatile uint32_t*>(0x0400001e)
/////////////////////////////////////////////////////////////////
// Memory Addresses