paoda
/
zba
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

feat: handle all I/O when using Cult-Of-GBA BIOS

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-10-21 05:12:51 -03:00
parent 203af4c471
commit 5dd78177f4
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/bus/io.zig
View File

@ -52,7 +52,7 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
0x0400_0006 => @as(T, bus.ppu.bg[0].cnt.raw) << 16 | bus.ppu.vcount.raw, 0x0400_0006 => @as(T, bus.ppu.bg[0].cnt.raw) << 16 | bus.ppu.vcount.raw,
// DMA Transfers // DMA Transfers
0x0400_00B8...0x0400_00DC => dma.read(T, &bus.dma, address), 0x0400_00B0...0x0400_00DC => dma.read(T, &bus.dma, address),
// Timers // Timers
0x0400_0100...0x0400_010C => timer.read(T, &bus.tim, address), 0x0400_0100...0x0400_010C => timer.read(T, &bus.tim, address),
@ -83,10 +83,10 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
0x0400_004C => readTodo("Read {} from MOSAIC", .{T}), 0x0400_004C => readTodo("Read {} from MOSAIC", .{T}),
// Sound // Sound
0x0400_0060...0x0400_009F => apu.read(T, &bus.apu, address), 0x0400_0060...0x0400_009E => apu.read(T, &bus.apu, address),
// DMA Transfers // DMA Transfers
0x0400_00BA...0x0400_00DE => dma.read(T, &bus.dma, address), 0x0400_00B0...0x0400_00DE => dma.read(T, &bus.dma, address),
// Timers // Timers
0x0400_0100...0x0400_010E => timer.read(T, &bus.tim, address), 0x0400_0100...0x0400_010E => timer.read(T, &bus.tim, address),
@ -119,7 +119,7 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
0x0400_000B => @truncate(T, bus.ppu.bg[1].cnt.raw >> 8), 0x0400_000B => @truncate(T, bus.ppu.bg[1].cnt.raw >> 8),
// Sound // Sound
0x0400_0060...0x0400_0089 => apu.read(T, &bus.apu, address), 0x0400_0060...0x0400_00A7 => apu.read(T, &bus.apu, address),
// Serial Communication 1 // Serial Communication 1
0x0400_0128 => readTodo("Read {} from SIOCNT_L", .{T}), 0x0400_0128 => readTodo("Read {} from SIOCNT_L", .{T}),
@ -190,6 +190,8 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
// Keypad Input // Keypad Input
0x0400_0130 => log.debug("Wrote 0x{X:0>8} to KEYINPUT and KEYCNT", .{value}), 0x0400_0130 => log.debug("Wrote 0x{X:0>8} to KEYINPUT and KEYCNT", .{value}),
0x0400_0134 => log.debug("Wrote 0x{X:0>8} to RCNT and IR", .{value}),
0x0400_0138, 0x0400_013C => {}, // Unused
// Serial Communication 2 // Serial Communication 2
0x0400_0140 => log.debug("Wrote 0x{X:0>8} to JOYCNT", .{value}), 0x0400_0140 => log.debug("Wrote 0x{X:0>8} to JOYCNT", .{value}),
@ -197,6 +199,7 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
0x0400_0154 => log.debug("Wrote 0x{X:0>8} to JOY_TRANS", .{value}), 0x0400_0154 => log.debug("Wrote 0x{X:0>8} to JOY_TRANS", .{value}),
0x0400_0158 => log.debug("Wrote 0x{X:0>8} to JOYSTAT (?)", .{value}), 0x0400_0158 => log.debug("Wrote 0x{X:0>8} to JOYSTAT (?)", .{value}),
0x0400_0144...0x0400_014C, 0x0400_015C => {}, // Unused 0x0400_0144...0x0400_014C, 0x0400_015C => {}, // Unused
0x0400_0160...0x0400_01FC => {},
// Interrupts // Interrupts
0x0400_0200 => bus.io.setIrqs(value), 0x0400_0200 => bus.io.setIrqs(value),
@ -251,7 +254,7 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
0x0400_004E, 0x0400_0056 => {}, // Not used 0x0400_004E, 0x0400_0056 => {}, // Not used
// Sound // Sound
0x0400_0060...0x0400_009F => apu.write(T, &bus.apu, address, value), 0x0400_0060...0x0400_009E => apu.write(T, &bus.apu, address, value),
// Dma Transfers // Dma Transfers
0x0400_00B0...0x0400_00DE => dma.write(T, &bus.dma, address, value), 0x0400_00B0...0x0400_00DE => dma.write(T, &bus.dma, address, value),
@ -301,7 +304,7 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
0x0400_0054 => log.debug("Wrote 0x{X:0>2} to BLDY_L", .{value}), 0x0400_0054 => log.debug("Wrote 0x{X:0>2} to BLDY_L", .{value}),
// Sound // Sound
0x0400_0060...0x0400_009F => apu.write(T, &bus.apu, address, value), 0x0400_0060...0x0400_00A7 => apu.write(T, &bus.apu, address, value),
// Serial Communication 1 // Serial Communication 1
0x0400_0120 => log.debug("Wrote 0x{X:0>2} to SIODATA32_L_L", .{value}), 0x0400_0120 => log.debug("Wrote 0x{X:0>2} to SIODATA32_L_L", .{value}),