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chore(io): stub nds{7, 9} dma i/o registers

This commit is contained in:
Rekai Nyangadzayi Musuka 2023-11-03 21:07:07 -05:00
parent ac3927333b
commit 13f5497808
2 changed files with 54 additions and 12 deletions
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24
src/core/nds7/io.zig
View File

@ -46,10 +46,10 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
return switch (T) {
u32 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DC => warn("TODO: Implement DMA", .{}),
0x0400_00B0...0x0400_00DC => warn("TODO: impl DMA", .{}),
// Timers
0x0400_0100...0x0400_010C => warn("TODO: Implement Timer", .{}),
0x0400_0100...0x0400_010C => warn("TODO: impl timer", .{}),
0x0400_0180 => bus.io.shr.ipc._nds7.sync.raw,
0x0400_0208 => @intFromBool(bus.io.ime),
@ -61,10 +61,10 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
},
u16 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DE => warn("TODO: Implement DMA", .{}),
0x0400_00B0...0x0400_00DE => warn("TODO: impl DMA", .{}),
// Timers
0x0400_0100...0x0400_010E => warn("TODO: Implement Timer", .{}),
0x0400_0100...0x0400_010E => warn("TODO: impl timer", .{}),
0x0400_0180 => @truncate(bus.io.shr.ipc._nds7.sync.raw),
0x0400_0184 => @truncate(bus.io.shr.ipc._nds7.cnt.raw),
@ -72,10 +72,10 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
},
u8 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DF => warn("TODO: Implement DMA", .{}),
0x0400_00B0...0x0400_00DF => warn("TODO: impl DMA", .{}),
// Timers
0x0400_0100...0x0400_010F => warn("TODO: Implement Timer", .{}),
0x0400_0100...0x0400_010F => warn("TODO: impl timer", .{}),
0x0400_0240 => bus.vram.stat().raw,
0x0400_0241 => bus.io.shr.wramcnt.raw,
@ -91,10 +91,10 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
switch (T) {
u32 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DC => log.warn("TODO: Implement DMA", .{}),
0x0400_00B0...0x0400_00DC => log.warn("TODO: impl DMA", .{}),
// Timers
0x0400_0100...0x0400_010C => log.warn("TODO: Implement Timer", .{}),
0x0400_0100...0x0400_010C => log.warn("TODO: impl timer", .{}),
0x0400_0180 => bus.io.shr.ipc.setIpcSync(.nds7, value),
0x0400_0208 => bus.io.ime = value & 1 == 1,
@ -106,10 +106,10 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
},
u16 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DE => log.warn("TODO: Implement DMA", .{}),
0x0400_00B0...0x0400_00DE => log.warn("TODO: impl DMA", .{}),
// Timers
0x0400_0100...0x0400_010E => log.warn("TODO: Implement Timer", .{}),
0x0400_0100...0x0400_010E => log.warn("TODO: impl timer", .{}),
0x0400_0180 => bus.io.shr.ipc.setIpcSync(.nds7, value),
0x0400_0184 => bus.io.shr.ipc.setIpcFifoCnt(.nds7, value),
@ -117,10 +117,10 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
},
u8 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DF => log.warn("TODO: Implement DMA", .{}),
0x0400_00B0...0x0400_00DF => log.warn("TODO: impl DMA", .{}),
// Timers
0x0400_0100...0x0400_010F => log.warn("TODO: Implement Timer", .{}),
0x0400_0100...0x0400_010F => log.warn("TODO: impl timer", .{}),
0x0400_0208 => bus.io.ime = value & 1 == 1,
else => log.warn("unexpected: write(T: {}, addr: 0x{X:0>8}, value: 0x{X:0>2})", .{ T, address, value }),

42
src/core/nds9/io.zig
View File

@ -53,6 +53,13 @@ pub const Io = struct {
pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
return switch (T) {
u32 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DC => warn("TODO: impl DMA", .{}),
0x0400_00E0...0x0400_00EC => warn("TODO: impl DMA fill", .{}),
// Timers
0x0400_0100...0x0400_010C => warn("TODO: impl timer", .{}),
0x0400_0180 => bus.io.shr.ipc._nds9.sync.raw,
0x0400_0208 => @intFromBool(bus.io.ime),
0x0400_0210 => bus.io.ie.raw,
@ -68,6 +75,13 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
else => warn("unexpected: read(T: {}, addr: 0x{X:0>8}) {} ", .{ T, address, T }),
},
u16 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DE => warn("TODO: impl DMA", .{}),
0x0400_00E0...0x0400_00EE => warn("TODO: impl DMA fill", .{}),
// Timers
0x0400_0100...0x0400_010E => warn("TODO: impl timer", .{}),
0x0400_0004 => bus.ppu.io.dispstat.raw,
0x0400_0130 => bus.io.keyinput.load(.Monotonic),
@ -80,6 +94,13 @@ pub fn read(bus: *const Bus, comptime T: type, address: u32) T {
else => warn("unexpected: read(T: {}, addr: 0x{X:0>8}) {} ", .{ T, address, T }),
},
u8 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DF => warn("TODO: impl DMA", .{}),
0x0400_00E0...0x0400_00EF => warn("TODO: impl DMA fill", .{}),
// Timers
0x0400_0100...0x0400_010F => warn("TODO: impl timer", .{}),
0x0400_4000 => 0x00, // Lets software know this is NOT a DSi
else => warn("unexpected: read(T: {}, addr: 0x{X:0>8}) {} ", .{ T, address, T }),
},
@ -92,6 +113,13 @@ const subset = @import("../../util.zig").subset;
pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
switch (T) {
u32 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DC => log.warn("TODO: impl DMA", .{}),
0x0400_00E0...0x0400_00EC => log.warn("TODO: impl DMA fill", .{}),
// Timers
0x0400_0100...0x0400_010C => log.warn("TODO: impl timer", .{}),
0x0400_0000 => bus.ppu.io.dispcnt_a.raw = value,
0x0400_0180 => bus.io.shr.ipc.setIpcSync(.nds9, value),
0x0400_0184 => bus.io.shr.ipc.setIpcFifoCnt(.nds9, value),
@ -128,6 +156,13 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
else => log.warn("unexpected: write(T: {}, addr: 0x{X:0>8}, value: 0x{X:0>8})", .{ T, address, value }),
},
u16 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DE => log.warn("TODO: impl DMA", .{}),
0x0400_00E0...0x0400_00EE => log.warn("TODO: impl DMA fill", .{}),
// Timers
0x0400_0100...0x0400_010E => log.warn("TODO: impl timer", .{}),
0x0400_0180 => bus.io.shr.ipc.setIpcSync(.nds9, value),
0x0400_0184 => bus.io.shr.ipc.setIpcFifoCnt(.nds9, value),
0x0400_0208 => bus.io.ime = value & 1 == 1,
@ -147,6 +182,13 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
else => log.warn("unexpected: write(T: {}, addr: 0x{X:0>8}, value: 0x{X:0>4})", .{ T, address, value }),
},
u8 => switch (address) {
// DMA Transfers
0x0400_00B0...0x0400_00DF => log.warn("TODO: impl DMA", .{}),
0x0400_00E0...0x0400_00EF => log.warn("TODO: impl DMA fill", .{}),
// Timers
0x0400_0100...0x0400_010F => log.warn("TODO: impl timer", .{}),
0x0400_0240 => {
bus.ppu.vram.io.cnt_a.raw = value;
bus.ppu.vram.update();