From b000b99774e078842e4f258122c1e055654c0610 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Magalh=C3=A3es?= <joamag@gmail.com>
Date: Sat, 2 Jul 2022 16:30:18 +0100
Subject: [PATCH] todo: added new todo
---
src/mmu.rs | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/src/mmu.rs b/src/mmu.rs
index f43396fd..97bbcca4 100644
--- a/src/mmu.rs
+++ b/src/mmu.rs
@@ -73,6 +73,10 @@ impl Mmu {
} else {
match addr & 0x00f0 {
0x40 | 0x50 | 0x60 | 0x70 => self.ppu.read(addr),
+ 0x00 => {
+ //@todo implement the gamepad as a controller
+ 0x00
+ }
_ => {
println!("Reading from unknown IO control 0x{:04x}", addr);
0x00
@@ -90,15 +94,15 @@ impl Mmu {
match addr & 0xf000 {
// BOOT (256 B) + ROM0 (4 KB/16 KB)
0x0000 => {
- println!("WRITING to BOOT")
+ println!("Writing to BOOT")
}
// ROM0 (12 KB/16 KB)
0x1000 | 0x2000 | 0x3000 => {
- println!("WRITING TO ROM 0");
+ println!("Writing to ROM 0");
}
// ROM1 (Unbanked) (16 KB)
0x4000 | 0x5000 | 0x6000 | 0x7000 => {
- println!("WRITING TO ROM 1");
+ println!("Writing to ROM 1");
}
// Graphics: VRAM (8 KB)
0x8000 | 0x9000 => {
@@ -133,9 +137,17 @@ impl Mmu {
self.ppu.hram[(addr & 0x007f) as usize] = value;
} else {
match addr & 0x00f0 {
- 0x40 | 0x50 | 0x60 | 0x70 => {
+ 0x40 | 0x60 | 0x70 => {
self.ppu.write(addr, value);
}
+ 0x50 => {
+ match addr & 0x00ff {
+ 0x50 => self.boot_active = false,
+ _ => {
+ println!("Writing to unknown IO control 0x{:04x}", addr);
+ }
+ }
+ }
_ => {
println!("Writing to unknown IO control 0x{:04x}", addr);
}
--
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