mirror of https://github.com/mlaux/gb6.git
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
#ifndef _DMG_H
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#define _DMG_H
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#include "cpu.h"
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#include "rom.h"
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#include "lcd.h"
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#define FIELD_JOY 1
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#define FIELD_ACTION 2
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#define BUTTON_RIGHT (1 << 0)
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#define BUTTON_LEFT (1 << 1)
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#define BUTTON_UP (1 << 2)
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#define BUTTON_DOWN (1 << 3)
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#define BUTTON_A (1 << 0)
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#define BUTTON_B (1 << 1)
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#define BUTTON_SELECT (1 << 2)
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#define BUTTON_START (1 << 3)
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struct dmg {
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struct cpu *cpu;
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struct rom *rom;
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struct lcd *lcd;
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u8 main_ram[0x2000];
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u8 video_ram[0x2000];
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u8 zero_page[0x80];
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u32 last_lcd_update;
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int joypad_selected;
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int action_selected; // non-0 if A/B/start/select selected, 0 for directions
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u8 interrupt_enabled;
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u8 interrupt_requested;
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u8 joypad;
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u8 action_buttons;
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};
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void dmg_new(struct dmg *dmg, struct cpu *cpu, struct rom *rom, struct lcd *lcd);
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void dmg_set_button(struct dmg *dmg, int field, int button, int pressed);
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// why did i make these void *
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u8 dmg_read(void *dmg, u16 address);
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void dmg_write(void *dmg, u16 address, u8 data);
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void dmg_step(void *dmg);
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#endif
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