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chore: write generic read/write for VRAM

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-10-21 05:12:31 -03:00
parent 3c8390a248
commit effb6315e9
2 changed files with 28 additions and 25 deletions
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10
src/Bus.zig
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@@ -61,7 +61,7 @@ pub fn read32(self: *const Self, addr: u32) u32 {
// Internal Display Memory
0x0500_0000...0x05FF_FFFF => self.ppu.palette.get32(addr & 0x3FF),
0x0600_0000...0x0601_7FFF => self.ppu.vram.get32(addr - 0x0600_0000),
0x0600_0000...0x0601_7FFF => self.ppu.vram.read(u32, addr - 0x0600_0000),
0x0700_0000...0x07FF_FFFF => self.ppu.oam.get32(addr & 0x3FF),
// External Memory (Game Pak)
@@ -84,7 +84,7 @@ pub fn write32(self: *Self, addr: u32, word: u32) void {
// Internal Display Memory
0x0500_0000...0x05FF_FFFF => self.ppu.palette.set32(addr & 0x3FF, word),
0x0600_0000...0x0601_7FFF => self.ppu.vram.set32(addr - 0x0600_0000, word),
0x0600_0000...0x0601_7FFF => self.ppu.vram.write(u32, addr - 0x0600_0000, word),
0x0700_0000...0x07FF_FFFF => self.ppu.oam.set32(addr & 0x3FF, word),
else => undWrite("Tried to write 0x{X:0>8} to 0x{X:0>8}", .{ word, addr }),
@@ -101,7 +101,7 @@ pub fn read16(self: *const Self, addr: u32) u16 {
// Internal Display Memory
0x0500_0000...0x05FF_FFFF => self.ppu.palette.get16(addr & 0x3FF),
0x0600_0000...0x0601_7FFF => self.ppu.vram.get16(addr - 0x0600_0000),
0x0600_0000...0x0601_7FFF => self.ppu.vram.read(u16, addr - 0x0600_0000),
0x0700_0000...0x07FF_FFFF => self.ppu.oam.get16(addr & 0x3FF),
// External Memory (Game Pak)
@@ -123,7 +123,7 @@ pub fn write16(self: *Self, addr: u32, halfword: u16) void {
// Internal Display Memory
0x0500_0000...0x05FF_FFFF => self.ppu.palette.set16(addr & 0x3FF, halfword),
0x0600_0000...0x0601_7FFF => self.ppu.vram.set16(addr - 0x0600_0000, halfword),
0x0600_0000...0x0601_7FFF => self.ppu.vram.write(u16, addr - 0x0600_0000, halfword),
0x0700_0000...0x07FF_FFFF => self.ppu.oam.set16(addr & 0x3FF, halfword),
0x0800_00C4, 0x0800_00C6, 0x0800_00C8 => log.warn("Tried to write 0x{X:0>4} to GPIO", .{halfword}),
@@ -141,7 +141,7 @@ pub fn read8(self: *const Self, addr: u32) u8 {
// Internal Display Memory
0x0500_0000...0x05FF_FFFF => self.ppu.palette.get8(addr & 0x3FF),
0x0600_0000...0x0601_7FFF => self.ppu.vram.get8(addr - 0x0600_0000),
0x0600_0000...0x0601_7FFF => self.ppu.vram.read(u8, addr - 0x0600_0000),
0x0700_0000...0x07FF_FFFF => self.ppu.oam.get8(addr & 0x3FF),
// External Memory (Game Pak)