44 lines
1 KiB
Rust
44 lines
1 KiB
Rust
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use super::arm7tdmi::{Core, DecodedInstruction};
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use super::cartridge::Cartridge;
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use super::lcd::Lcd;
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use super::sysbus::SysBus;
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/// Struct containing everything
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///
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use super::{EmuIoDev, GBAResult};
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#[derive(Debug)]
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pub struct GameBoyAdvance {
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pub cpu: Core,
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pub sysbus: SysBus,
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// io devices
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lcd: Lcd,
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post_bool_flags: bool,
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}
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impl GameBoyAdvance {
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pub fn new(cpu: Core, bios_rom: Vec<u8>, gamepak: Cartridge) -> GameBoyAdvance {
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let sysbus = SysBus::new(bios_rom, gamepak);
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GameBoyAdvance {
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cpu: cpu,
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sysbus: sysbus,
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lcd: Lcd::new(),
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post_bool_flags: false,
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}
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}
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pub fn step(&mut self) -> GBAResult<DecodedInstruction> {
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let previous_cycles = self.cpu.cycles;
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let decoded = self.cpu.step_one(&mut self.sysbus)?;
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let cycles = self.cpu.cycles - previous_cycles;
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self.lcd.step(cycles, &mut self.sysbus); // drop interrupts at the moment
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Ok(decoded) // return the decoded instruction for the debugger
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}
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}
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