chore: refactor scheduler + nds7/nds9 group structs
This commit is contained in:
parent
2f06f178e2
commit
d90cd699b6
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@ -1 +1 @@
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Subproject commit 106820b444cf394f2887b44a2afbfb2c01b182ca
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Subproject commit 481271ba2abcaab82b0930a10d424134099143c8
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@ -1,6 +1,7 @@
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const std = @import("std");
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const std = @import("std");
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const Bus = @import("Bus.zig");
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const Bus9 = @import("nds9/Bus.zig");
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const Bus7 = @import("nds7/Bus.zig");
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const PriorityQueue = std.PriorityQueue(Event, void, Event.lessThan);
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const PriorityQueue = std.PriorityQueue(Event, void, Event.lessThan);
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const Allocator = std.mem.Allocator;
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const Allocator = std.mem.Allocator;
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@ -27,22 +28,30 @@ pub fn now(self: @This()) u64 {
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return self.tick;
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return self.tick;
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}
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}
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pub fn next(self: @This()) u64 {
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@setRuntimeSafety(false);
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return self.queue.items[0].tick;
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}
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pub fn reset(self: *@This()) void {
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pub fn reset(self: *@This()) void {
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self.tick = 0;
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self.tick = 0;
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}
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}
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pub fn handle(self: *@This(), bus: *Bus) void {
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pub inline fn check(self: *@This()) ?Event {
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const event = self.queue.remove();
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@setRuntimeSafety(false);
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const late = self.tick - event.tick;
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if (self.tick < self.queue.items[0].tick) return null;
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return self.queue.remove();
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}
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pub fn handle(self: *@This(), bus_ptr: ?*anyopaque, event: Event, late: u64) void {
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switch (event.kind) {
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switch (event.kind) {
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.heat_death => unreachable,
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.heat_death => unreachable,
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.nds7 => |ev| {
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const bus: *Bus7 = @ptrCast(@alignCast(bus_ptr));
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_ = bus;
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switch (ev) {}
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},
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.nds9 => |ev| {
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const bus: *Bus9 = @ptrCast(@alignCast(bus_ptr));
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switch (ev) {
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.draw => {
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.draw => {
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bus.ppu.drawScanline(bus);
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bus.ppu.drawScanline(bus);
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bus.ppu.onHdrawEnd(self, late);
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bus.ppu.onHdrawEnd(self, late);
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@ -50,17 +59,21 @@ pub fn handle(self: *@This(), bus: *Bus) void {
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.hblank => bus.ppu.onHblankEnd(self, late),
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.hblank => bus.ppu.onHblankEnd(self, late),
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.vblank => bus.ppu.onHblankEnd(self, late),
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.vblank => bus.ppu.onHblankEnd(self, late),
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}
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}
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},
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}
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}
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}
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pub const Event = struct {
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pub const Event = struct {
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tick: u64,
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tick: u64,
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kind: Kind,
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kind: Kind,
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pub const Kind = enum {
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const Kind7 = enum {};
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heat_death,
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const Kind9 = enum { draw, hblank, vblank };
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draw,
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hblank,
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pub const Kind = union(enum) {
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vblank,
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nds7: Kind7,
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nds9: Kind9,
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heat_death: void,
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};
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};
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fn lessThan(_: void, left: @This(), right: @This()) std.math.Order {
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fn lessThan(_: void, left: @This(), right: @This()) std.math.Order {
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@ -1,17 +1,15 @@
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const std = @import("std");
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const std = @import("std");
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const nds9 = @import("nds9.zig");
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const nds7 = @import("nds7.zig");
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const Header = @import("cartridge.zig").Header;
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const Header = @import("cartridge.zig").Header;
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const SharedIo = @import("io.zig").Io;
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const SharedIo = @import("io.zig").Io;
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const Arm946es = nds9.Arm946es;
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const Scheduler = @import("Scheduler.zig");
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const Allocator = std.mem.Allocator;
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const Allocator = std.mem.Allocator;
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/// Load a NDS Cartridge
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/// Load a NDS Cartridge
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///
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///
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/// intended to be used immediately after Emulator initialization
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/// intended to be used immediately after Emulator initialization
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pub fn load(allocator: Allocator, nds7_group: nds7.Group, nds9_group: nds9.Group, rom_file: std.fs.File) ![12]u8 {
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pub fn load(allocator: Allocator, system: System, rom_file: std.fs.File) ![12]u8 {
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const log = std.log.scoped(.load_rom);
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const log = std.log.scoped(.load_rom);
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const rom_buf = try rom_file.readToEndAlloc(allocator, try rom_file.getEndPos());
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const rom_buf = try rom_file.readToEndAlloc(allocator, try rom_file.getEndPos());
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@ -26,8 +24,6 @@ pub fn load(allocator: Allocator, nds7_group: nds7.Group, nds9_group: nds9.Group
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// Dealing with the ARM946E-S
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// Dealing with the ARM946E-S
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{
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{
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const arm946es = nds9_group.cpu;
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log.debug("ARM9 ROM Offset: 0x{X:0>8}", .{header.arm9_rom_offset});
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log.debug("ARM9 ROM Offset: 0x{X:0>8}", .{header.arm9_rom_offset});
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log.debug("ARM9 Entry Address: 0x{X:0>8}", .{header.arm9_entry_address});
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log.debug("ARM9 Entry Address: 0x{X:0>8}", .{header.arm9_entry_address});
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log.debug("ARM9 RAM Address: 0x{X:0>8}", .{header.arm9_ram_address});
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log.debug("ARM9 RAM Address: 0x{X:0>8}", .{header.arm9_ram_address});
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@ -36,16 +32,14 @@ pub fn load(allocator: Allocator, nds7_group: nds7.Group, nds9_group: nds9.Group
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// Copy ARM9 Code into Main Memory
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// Copy ARM9 Code into Main Memory
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for (rom_buf[header.arm9_rom_offset..][0..header.arm9_size], 0..) |value, i| {
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for (rom_buf[header.arm9_rom_offset..][0..header.arm9_size], 0..) |value, i| {
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const address = header.arm9_ram_address + @as(u32, @intCast(i));
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const address = header.arm9_ram_address + @as(u32, @intCast(i));
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nds9_group.bus.dbgWrite(u8, address, value);
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system.bus9.dbgWrite(u8, address, value);
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}
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}
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arm946es.r[15] = header.arm9_entry_address;
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system.arm946es.r[15] = header.arm9_entry_address;
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}
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}
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// Dealing with the ARM7TDMI
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// Dealing with the ARM7TDMI
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{
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{
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const arm7tdmi = nds7_group.cpu;
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log.debug("ARM7 ROM Offset: 0x{X:0>8}", .{header.arm7_rom_offset});
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log.debug("ARM7 ROM Offset: 0x{X:0>8}", .{header.arm7_rom_offset});
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log.debug("ARM7 Entry Address: 0x{X:0>8}", .{header.arm7_entry_address});
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log.debug("ARM7 Entry Address: 0x{X:0>8}", .{header.arm7_entry_address});
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log.debug("ARM7 RAM Address: 0x{X:0>8}", .{header.arm7_ram_address});
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log.debug("ARM7 RAM Address: 0x{X:0>8}", .{header.arm7_ram_address});
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@ -54,10 +48,10 @@ pub fn load(allocator: Allocator, nds7_group: nds7.Group, nds9_group: nds9.Group
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// Copy ARM7 Code into Main Memory
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// Copy ARM7 Code into Main Memory
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for (rom_buf[header.arm7_rom_offset..][0..header.arm7_size], 0..) |value, i| {
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for (rom_buf[header.arm7_rom_offset..][0..header.arm7_size], 0..) |value, i| {
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const address = header.arm7_ram_address + @as(u32, @intCast(i));
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const address = header.arm7_ram_address + @as(u32, @intCast(i));
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nds7_group.bus.dbgWrite(u8, address, value);
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system.bus7.dbgWrite(u8, address, value);
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}
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}
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arm7tdmi.r[15] = header.arm7_entry_address;
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system.arm7tdmi.r[15] = header.arm7_entry_address;
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}
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}
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return header.title;
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return header.title;
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@ -68,43 +62,29 @@ const dot_clock = 5585664; // 5.585664 Hz
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const arm7_clock = bus_clock;
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const arm7_clock = bus_clock;
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const arm9_clock = bus_clock * 2;
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const arm9_clock = bus_clock * 2;
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pub fn runFrame(nds7_group: nds7.Group, nds9_group: nds9.Group) void {
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pub fn runFrame(scheduler: *Scheduler, system: System) void {
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// TODO: might be more efficient to run them both in the same loop?
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{
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const scheduler = nds9_group.scheduler;
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const cycles_per_dot = arm9_clock / dot_clock + 1;
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const cycles_per_dot = arm9_clock / dot_clock + 1;
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comptime std.debug.assert(cycles_per_dot == 12);
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comptime std.debug.assert(cycles_per_dot == 12);
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const cycles_per_frame = 355 * 263 * cycles_per_dot;
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const cycles_per_frame = 355 * 263 * cycles_per_dot;
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const frame_end = scheduler.tick + cycles_per_frame;
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const frame_end = scheduler.tick + cycles_per_frame;
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const cpu = nds9_group.cpu;
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const bus = nds9_group.bus;
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while (scheduler.tick < frame_end) {
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while (scheduler.tick < frame_end) {
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cpu.step();
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system.arm7tdmi.step();
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system.arm946es.step();
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system.arm946es.step();
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if (scheduler.tick >= scheduler.next()) scheduler.handle(bus);
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if (scheduler.check()) |ev| {
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}
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const late = scheduler.tick - ev.tick;
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}
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{
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// this is kinda really jank lol
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const scheduler = nds7_group.scheduler;
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const bus_ptr: ?*anyopaque = switch (ev.kind) {
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.heat_death => null,
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.nds7 => system.bus7,
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.nds9 => system.bus9,
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};
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const cycles_per_dot = arm7_clock / dot_clock + 1;
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scheduler.handle(bus_ptr, ev, late);
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comptime std.debug.assert(cycles_per_dot == 6);
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const cycles_per_frame = 355 * 263 * cycles_per_dot;
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const frame_end = scheduler.tick + cycles_per_frame;
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const cpu = nds7_group.cpu;
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const bus = nds7_group.bus;
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while (scheduler.tick < frame_end) {
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cpu.step();
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if (scheduler.tick >= scheduler.next()) scheduler.handle(bus);
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}
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}
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}
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}
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}
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}
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@ -140,3 +120,25 @@ pub inline fn forceAlign(comptime T: type, address: u32) u32 {
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else => @compileError("Bus: Invalid read/write type"),
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else => @compileError("Bus: Invalid read/write type"),
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};
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};
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}
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}
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pub const System = struct {
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pub const Bus7 = @import("nds7/Bus.zig");
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pub const Bus9 = @import("nds9/Bus.zig");
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pub const Cp15 = @import("nds9/Cp15.zig");
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pub const Arm7tdmi = @import("arm32").Arm7tdmi;
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pub const Arm946es = @import("arm32").Arm946es;
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arm7tdmi: *Arm7tdmi,
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arm946es: *Arm946es,
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bus7: *Bus7,
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bus9: *Bus9,
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cp15: *Cp15,
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pub fn deinit(self: @This(), allocator: Allocator) void {
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self.bus7.deinit(allocator);
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self.bus9.deinit(allocator);
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}
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};
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@ -1,21 +0,0 @@
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const std = @import("std");
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pub const Bus = @import("nds7/Bus.zig");
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pub const io = @import("nds7/io.zig");
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pub const Scheduler = @import("nds7/Scheduler.zig");
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pub const Arm7tdmi = @import("arm32").Arm7tdmi;
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const Allocator = std.mem.Allocator;
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// TODO: Rename (maybe Devices?)
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pub const Group = struct {
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cpu: *Arm7tdmi,
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bus: *Bus,
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scheduler: *Scheduler,
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/// Responsible for deallocated the ARM7 CPU, Bus and Scheduler
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pub fn deinit(self: @This(), allocator: Allocator) void {
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self.bus.deinit(allocator);
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self.scheduler.deinit();
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}
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};
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@ -1,7 +1,7 @@
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const std = @import("std");
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const std = @import("std");
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const io = @import("io.zig");
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const io = @import("io.zig");
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const Scheduler = @import("Scheduler.zig");
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const Scheduler = @import("../Scheduler.zig");
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const SharedIo = @import("../io.zig").Io;
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const SharedIo = @import("../io.zig").Io;
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const SharedContext = @import("../emu.zig").SharedContext;
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const SharedContext = @import("../emu.zig").SharedContext;
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const forceAlign = @import("../emu.zig").forceAlign;
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const forceAlign = @import("../emu.zig").forceAlign;
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const std = @import("std");
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const Bus = @import("Bus.zig");
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const PriorityQueue = std.PriorityQueue(Event, void, Event.lessThan);
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const Allocator = std.mem.Allocator;
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tick: u64 = 0,
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queue: PriorityQueue,
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pub fn init(allocator: Allocator) !@This() {
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var queue = PriorityQueue.init(allocator, {});
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try queue.add(.{ .tick = std.math.maxInt(u64), .kind = .heat_death });
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return .{ .queue = queue };
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}
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pub fn push(self: *@This(), kind: Event.Kind, offset: u64) void {
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self.queue.add(.{ .kind = kind, .tick = self.tick + offset }) catch unreachable;
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}
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pub fn deinit(self: @This()) void {
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self.queue.deinit();
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}
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pub fn now(self: @This()) u64 {
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return self.tick;
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}
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pub fn next(self: @This()) u64 {
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@setRuntimeSafety(false);
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return self.queue.items[0].tick;
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}
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pub fn reset(self: *@This()) void {
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self.tick = 0;
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}
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pub fn handle(self: *@This(), bus: *Bus) void {
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_ = bus;
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const event = self.queue.remove();
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const late = self.tick - event.tick;
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_ = late;
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switch (event.kind) {
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.heat_death => unreachable,
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}
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}
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pub const Event = struct {
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tick: u64,
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kind: Kind,
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pub const Kind = enum { heat_death };
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fn lessThan(_: void, left: @This(), right: @This()) std.math.Order {
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return std.math.order(left.tick, right.tick);
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}
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};
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@ -1,22 +0,0 @@
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const std = @import("std");
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pub const Bus = @import("nds9/Bus.zig");
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pub const Cp15 = @import("nds9/Cp15.zig");
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pub const io = @import("nds9/io.zig");
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pub const Scheduler = @import("nds9/Scheduler.zig");
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pub const Arm946es = @import("arm32").Arm946es;
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const Allocator = std.mem.Allocator;
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// TODO: Rename
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pub const Group = struct {
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cpu: *Arm946es,
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bus: *Bus,
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scheduler: *Scheduler,
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/// Responsible for deallocating the ARM9 CPU, Bus and Scheduler
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pub fn deinit(self: @This(), allocator: Allocator) void {
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self.bus.deinit(allocator);
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self.scheduler.deinit();
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}
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};
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@ -2,7 +2,7 @@ const std = @import("std");
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const io = @import("io.zig");
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const io = @import("io.zig");
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|
|
||||||
const Ppu = @import("../ppu.zig").Ppu;
|
const Ppu = @import("../ppu.zig").Ppu;
|
||||||
const Scheduler = @import("Scheduler.zig");
|
const Scheduler = @import("../Scheduler.zig");
|
||||||
const SharedContext = @import("../emu.zig").SharedContext;
|
const SharedContext = @import("../emu.zig").SharedContext;
|
||||||
const forceAlign = @import("../emu.zig").forceAlign;
|
const forceAlign = @import("../emu.zig").forceAlign;
|
||||||
|
|
||||||
|
@ -27,7 +27,7 @@ pub fn init(allocator: Allocator, scheduler: *Scheduler, shared_ctx: SharedConte
|
||||||
@memset(vram1_mem, 0);
|
@memset(vram1_mem, 0);
|
||||||
|
|
||||||
const dots_per_cycle = 3; // ARM946E-S runs twice as fast as the ARM7TDMI
|
const dots_per_cycle = 3; // ARM946E-S runs twice as fast as the ARM7TDMI
|
||||||
scheduler.push(.draw, 256 * dots_per_cycle);
|
scheduler.push(.{ .nds9 = .draw }, 256 * dots_per_cycle);
|
||||||
|
|
||||||
return .{
|
return .{
|
||||||
.main = shared_ctx.main,
|
.main = shared_ctx.main,
|
||||||
|
|
|
@ -1,7 +1,8 @@
|
||||||
const std = @import("std");
|
const std = @import("std");
|
||||||
const Allocator = std.mem.Allocator;
|
const Allocator = std.mem.Allocator;
|
||||||
|
|
||||||
const nds9 = @import("nds9.zig");
|
const Scheduler = @import("Scheduler.zig");
|
||||||
|
const System = @import("emu.zig").System;
|
||||||
|
|
||||||
pub const screen_width = 256;
|
pub const screen_width = 256;
|
||||||
pub const screen_height = 192;
|
pub const screen_height = 192;
|
||||||
|
@ -14,16 +15,14 @@ pub const Ppu = struct {
|
||||||
io: io = .{},
|
io: io = .{},
|
||||||
|
|
||||||
pub fn init(allocator: Allocator) !@This() {
|
pub fn init(allocator: Allocator) !@This() {
|
||||||
return .{
|
return .{ .fb = try FrameBuffer.init(allocator) };
|
||||||
.fb = try FrameBuffer.init(allocator),
|
|
||||||
};
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn deinit(self: @This(), allocator: Allocator) void {
|
pub fn deinit(self: @This(), allocator: Allocator) void {
|
||||||
self.fb.deinit(allocator);
|
self.fb.deinit(allocator);
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn drawScanline(self: *@This(), nds9_bus: *nds9.Bus) void {
|
pub fn drawScanline(self: *@This(), bus: *System.Bus9) void {
|
||||||
const bg_mode = self.io.dispcnt_a.display_mode.read();
|
const bg_mode = self.io.dispcnt_a.display_mode.read();
|
||||||
const scanline = self.io.vcount.scanline.read();
|
const scanline = self.io.vcount.scanline.read();
|
||||||
|
|
||||||
|
@ -45,7 +44,7 @@ pub const Ppu = struct {
|
||||||
|
|
||||||
for (scanline_ptr, 0..) |*rgba, i| {
|
for (scanline_ptr, 0..) |*rgba, i| {
|
||||||
const addr = base_addr + @as(u32, @intCast(i)) * @sizeOf(u16);
|
const addr = base_addr + @as(u32, @intCast(i)) * @sizeOf(u16);
|
||||||
rgba.* = rgba888(nds9_bus.dbgRead(u16, addr));
|
rgba.* = rgba888(bus.dbgRead(u16, addr));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
},
|
},
|
||||||
|
@ -54,7 +53,7 @@ pub const Ppu = struct {
|
||||||
}
|
}
|
||||||
|
|
||||||
/// HDraw -> HBlank
|
/// HDraw -> HBlank
|
||||||
pub fn onHdrawEnd(self: *@This(), nds9_scheduler: *nds9.Scheduler, late: u64) void {
|
pub fn onHdrawEnd(self: *@This(), scheduler: *Scheduler, late: u64) void {
|
||||||
const dots_in_hblank = 99;
|
const dots_in_hblank = 99;
|
||||||
std.debug.assert(self.io.dispstat.hblank.read() == false);
|
std.debug.assert(self.io.dispstat.hblank.read() == false);
|
||||||
std.debug.assert(self.io.dispstat.vblank.read() == false);
|
std.debug.assert(self.io.dispstat.vblank.read() == false);
|
||||||
|
@ -62,10 +61,10 @@ pub const Ppu = struct {
|
||||||
// TODO: Signal HBlank IRQ
|
// TODO: Signal HBlank IRQ
|
||||||
|
|
||||||
self.io.dispstat.hblank.set();
|
self.io.dispstat.hblank.set();
|
||||||
nds9_scheduler.push(.hblank, dots_in_hblank * cycles_per_dot -| late);
|
scheduler.push(.{ .nds9 = .hblank }, dots_in_hblank * cycles_per_dot -| late);
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn onHblankEnd(self: *@This(), nds9_scheduler: *nds9.Scheduler, late: u64) void {
|
pub fn onHblankEnd(self: *@This(), scheduler: *Scheduler, late: u64) void {
|
||||||
const scanline_count = 192 + 71;
|
const scanline_count = 192 + 71;
|
||||||
|
|
||||||
const prev_scanline = self.io.vcount.scanline.read();
|
const prev_scanline = self.io.vcount.scanline.read();
|
||||||
|
@ -85,7 +84,7 @@ pub const Ppu = struct {
|
||||||
|
|
||||||
// Draw Another Scanline
|
// Draw Another Scanline
|
||||||
const dots_in_hdraw = 256;
|
const dots_in_hdraw = 256;
|
||||||
return nds9_scheduler.push(.draw, dots_in_hdraw * cycles_per_dot -| late);
|
return scheduler.push(.{ .nds9 = .draw }, dots_in_hdraw * cycles_per_dot -| late);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (scanline == 192) {
|
if (scanline == 192) {
|
||||||
|
@ -100,7 +99,7 @@ pub const Ppu = struct {
|
||||||
std.debug.assert(self.io.dispstat.vblank.read() == (scanline != 262));
|
std.debug.assert(self.io.dispstat.vblank.read() == (scanline != 262));
|
||||||
|
|
||||||
const dots_in_scanline = 256 + 99;
|
const dots_in_scanline = 256 + 99;
|
||||||
nds9_scheduler.push(.hblank, dots_in_scanline * cycles_per_dot -| late);
|
scheduler.push(.{ .nds9 = .hblank }, dots_in_scanline * cycles_per_dot -| late);
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
45
src/main.zig
45
src/main.zig
|
@ -1,16 +1,12 @@
|
||||||
const std = @import("std");
|
const std = @import("std");
|
||||||
const clap = @import("zig-clap");
|
const clap = @import("zig-clap");
|
||||||
|
|
||||||
const nds9 = @import("core/nds9.zig");
|
|
||||||
const nds7 = @import("core/nds7.zig");
|
|
||||||
const emu = @import("core/emu.zig");
|
const emu = @import("core/emu.zig");
|
||||||
|
|
||||||
const IBus = @import("arm32").Bus;
|
|
||||||
const IScheduler = @import("arm32").Scheduler;
|
|
||||||
const ICoprocessor = @import("arm32").Coprocessor;
|
|
||||||
|
|
||||||
const Ui = @import("platform.zig").Ui;
|
const Ui = @import("platform.zig").Ui;
|
||||||
const SharedContext = @import("core/emu.zig").SharedContext;
|
const SharedContext = @import("core/emu.zig").SharedContext;
|
||||||
|
const System = @import("core/emu.zig").System;
|
||||||
|
const Scheduler = @import("core/Scheduler.zig");
|
||||||
|
|
||||||
const Allocator = std.mem.Allocator;
|
const Allocator = std.mem.Allocator;
|
||||||
const ClapResult = clap.Result(clap.Help, &cli_params, clap.parsers.default);
|
const ClapResult = clap.Result(clap.Help, &cli_params, clap.parsers.default);
|
||||||
|
@ -41,33 +37,32 @@ pub fn main() !void {
|
||||||
const shared_ctx = try SharedContext.init(allocator);
|
const shared_ctx = try SharedContext.init(allocator);
|
||||||
defer shared_ctx.deinit(allocator);
|
defer shared_ctx.deinit(allocator);
|
||||||
|
|
||||||
const nds9_group: nds9.Group = blk: {
|
var scheduler = try Scheduler.init(allocator);
|
||||||
var scheduler = try nds9.Scheduler.init(allocator);
|
defer scheduler.deinit();
|
||||||
var bus = try nds9.Bus.init(allocator, &scheduler, shared_ctx);
|
|
||||||
var cp15 = nds9.Cp15{};
|
|
||||||
|
|
||||||
var arm946es = nds9.Arm946es.init(IScheduler.init(&scheduler), IBus.init(&bus), ICoprocessor.init(&cp15));
|
const system: System = blk: {
|
||||||
|
const IBus = @import("arm32").Bus;
|
||||||
|
const IScheduler = @import("arm32").Scheduler;
|
||||||
|
const ICoprocessor = @import("arm32").Coprocessor;
|
||||||
|
|
||||||
break :blk .{ .cpu = &arm946es, .bus = &bus, .scheduler = &scheduler };
|
var cp15 = System.Cp15{};
|
||||||
|
|
||||||
|
var bus7 = try System.Bus7.init(allocator, &scheduler, shared_ctx);
|
||||||
|
var bus9 = try System.Bus9.init(allocator, &scheduler, shared_ctx);
|
||||||
|
|
||||||
|
var arm7tdmi = System.Arm7tdmi.init(IScheduler.init(&scheduler), IBus.init(&bus7));
|
||||||
|
var arm946es = System.Arm946es.init(IScheduler.init(&scheduler), IBus.init(&bus9), ICoprocessor.init(&cp15));
|
||||||
|
|
||||||
|
break :blk .{ .arm7tdmi = &arm7tdmi, .arm946es = &arm946es, .bus7 = &bus7, .bus9 = &bus9, .cp15 = &cp15 };
|
||||||
};
|
};
|
||||||
defer nds9_group.deinit(allocator);
|
defer system.deinit(allocator);
|
||||||
|
const rom_title = try emu.load(allocator, system, rom_file);
|
||||||
const nds7_group: nds7.Group = blk: {
|
|
||||||
var scheduler = try nds7.Scheduler.init(allocator);
|
|
||||||
var bus = try nds7.Bus.init(allocator, &scheduler, shared_ctx);
|
|
||||||
var arm7tdmi = nds7.Arm7tdmi.init(IScheduler.init(&scheduler), IBus.init(&bus));
|
|
||||||
|
|
||||||
break :blk .{ .cpu = &arm7tdmi, .bus = &bus, .scheduler = &scheduler };
|
|
||||||
};
|
|
||||||
defer nds7_group.deinit(allocator);
|
|
||||||
|
|
||||||
const rom_title = try emu.load(allocator, nds7_group, nds9_group, rom_file);
|
|
||||||
|
|
||||||
var ui = try Ui.init(allocator);
|
var ui = try Ui.init(allocator);
|
||||||
defer ui.deinit(allocator);
|
defer ui.deinit(allocator);
|
||||||
|
|
||||||
ui.setTitle(rom_title);
|
ui.setTitle(rom_title);
|
||||||
try ui.run(nds7_group, nds9_group);
|
try ui.run(&scheduler, system);
|
||||||
}
|
}
|
||||||
|
|
||||||
fn handlePositional(result: ClapResult) ![]const u8 {
|
fn handlePositional(result: ClapResult) ![]const u8 {
|
||||||
|
|
|
@ -3,14 +3,13 @@ const SDL = @import("sdl2");
|
||||||
const gl = @import("gl");
|
const gl = @import("gl");
|
||||||
const zgui = @import("zgui");
|
const zgui = @import("zgui");
|
||||||
|
|
||||||
const nds9 = @import("core/nds9.zig");
|
|
||||||
const nds7 = @import("core/nds7.zig");
|
|
||||||
|
|
||||||
const ppu = @import("core/ppu.zig");
|
const ppu = @import("core/ppu.zig");
|
||||||
const imgui = @import("ui/imgui.zig");
|
const imgui = @import("ui/imgui.zig");
|
||||||
const emu = @import("core/emu.zig");
|
const emu = @import("core/emu.zig");
|
||||||
|
|
||||||
|
const System = @import("core/emu.zig").System;
|
||||||
const KeyInput = @import("core/nds9/io.zig").KeyInput;
|
const KeyInput = @import("core/nds9/io.zig").KeyInput;
|
||||||
|
const Scheduler = @import("core/Scheduler.zig");
|
||||||
|
|
||||||
const Allocator = std.mem.Allocator;
|
const Allocator = std.mem.Allocator;
|
||||||
|
|
||||||
|
@ -86,14 +85,14 @@ pub const Ui = struct {
|
||||||
return SDL.SDL_GL_GetProcAddress(proc.ptr);
|
return SDL.SDL_GL_GetProcAddress(proc.ptr);
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn run(self: *Self, nds7_group: nds7.Group, nds9_group: nds9.Group) !void {
|
pub fn run(self: *Self, scheduler: *Scheduler, system: System) !void {
|
||||||
// TODO: Sort this out please
|
// TODO: Sort this out please
|
||||||
|
|
||||||
const vao_id = opengl_impl.vao();
|
const vao_id = opengl_impl.vao();
|
||||||
defer gl.deleteVertexArrays(1, &[_]GLuint{vao_id});
|
defer gl.deleteVertexArrays(1, &[_]GLuint{vao_id});
|
||||||
|
|
||||||
const top_tex = opengl_impl.screenTex(nds9_group.bus.ppu.fb.top(.front));
|
const top_tex = opengl_impl.screenTex(system.bus9.ppu.fb.top(.front));
|
||||||
const btm_tex = opengl_impl.screenTex(nds9_group.bus.ppu.fb.btm(.front));
|
const btm_tex = opengl_impl.screenTex(system.bus9.ppu.fb.btm(.front));
|
||||||
const top_out_tex = opengl_impl.outTex();
|
const top_out_tex = opengl_impl.outTex();
|
||||||
const btm_out_tex = opengl_impl.outTex();
|
const btm_out_tex = opengl_impl.outTex();
|
||||||
defer gl.deleteTextures(4, &[_]GLuint{ top_tex, top_out_tex, btm_tex, btm_out_tex });
|
defer gl.deleteTextures(4, &[_]GLuint{ top_tex, top_out_tex, btm_tex, btm_out_tex });
|
||||||
|
@ -108,7 +107,7 @@ pub const Ui = struct {
|
||||||
var event: SDL.SDL_Event = undefined;
|
var event: SDL.SDL_Event = undefined;
|
||||||
|
|
||||||
emu_loop: while (true) {
|
emu_loop: while (true) {
|
||||||
emu.runFrame(nds7_group, nds9_group);
|
emu.runFrame(scheduler, system);
|
||||||
|
|
||||||
while (SDL.SDL_PollEvent(&event) != 0) {
|
while (SDL.SDL_PollEvent(&event) != 0) {
|
||||||
_ = zgui.backend.processEvent(&event);
|
_ = zgui.backend.processEvent(&event);
|
||||||
|
@ -142,7 +141,7 @@ pub const Ui = struct {
|
||||||
else => {},
|
else => {},
|
||||||
}
|
}
|
||||||
|
|
||||||
nds9_group.bus.io.keyinput.fetchAnd(~keyinput.raw, .Monotonic);
|
system.bus9.io.keyinput.fetchAnd(~keyinput.raw, .Monotonic);
|
||||||
},
|
},
|
||||||
SDL.SDL_KEYUP => {
|
SDL.SDL_KEYUP => {
|
||||||
// TODO: Make use of compare_and_xor?
|
// TODO: Make use of compare_and_xor?
|
||||||
|
@ -163,7 +162,7 @@ pub const Ui = struct {
|
||||||
else => {},
|
else => {},
|
||||||
}
|
}
|
||||||
|
|
||||||
nds9_group.bus.io.keyinput.fetchOr(keyinput.raw, .Monotonic);
|
system.bus9.io.keyinput.fetchOr(keyinput.raw, .Monotonic);
|
||||||
},
|
},
|
||||||
else => {},
|
else => {},
|
||||||
}
|
}
|
||||||
|
@ -174,7 +173,7 @@ pub const Ui = struct {
|
||||||
defer gl.bindFramebuffer(gl.FRAMEBUFFER, 0);
|
defer gl.bindFramebuffer(gl.FRAMEBUFFER, 0);
|
||||||
|
|
||||||
gl.viewport(0, 0, nds_width, nds_height);
|
gl.viewport(0, 0, nds_width, nds_height);
|
||||||
opengl_impl.drawScreen(top_tex, prog_id, vao_id, nds9_group.bus.ppu.fb.top(.front));
|
opengl_impl.drawScreen(top_tex, prog_id, vao_id, system.bus9.ppu.fb.top(.front));
|
||||||
}
|
}
|
||||||
|
|
||||||
{
|
{
|
||||||
|
@ -182,10 +181,10 @@ pub const Ui = struct {
|
||||||
defer gl.bindFramebuffer(gl.FRAMEBUFFER, 0);
|
defer gl.bindFramebuffer(gl.FRAMEBUFFER, 0);
|
||||||
|
|
||||||
gl.viewport(0, 0, nds_width, nds_height);
|
gl.viewport(0, 0, nds_width, nds_height);
|
||||||
opengl_impl.drawScreen(btm_tex, prog_id, vao_id, nds9_group.bus.ppu.fb.btm(.front));
|
opengl_impl.drawScreen(btm_tex, prog_id, vao_id, system.bus9.ppu.fb.btm(.front));
|
||||||
}
|
}
|
||||||
|
|
||||||
const zgui_redraw = imgui.draw(&self.state, top_out_tex, btm_out_tex, nds9_group.cpu);
|
const zgui_redraw = imgui.draw(&self.state, top_out_tex, btm_out_tex, system);
|
||||||
|
|
||||||
if (zgui_redraw) {
|
if (zgui_redraw) {
|
||||||
// Background Colour
|
// Background Colour
|
||||||
|
|
|
@ -3,7 +3,7 @@ const zgui = @import("zgui");
|
||||||
|
|
||||||
const platform = @import("../platform.zig");
|
const platform = @import("../platform.zig");
|
||||||
|
|
||||||
const Arm946es = @import("../core/nds9.zig").Arm946es;
|
const System = @import("../core/emu.zig").System;
|
||||||
const Dimensions = platform.Dimensions;
|
const Dimensions = platform.Dimensions;
|
||||||
|
|
||||||
const nds_height = @import("../core/ppu.zig").screen_height;
|
const nds_height = @import("../core/ppu.zig").screen_height;
|
||||||
|
@ -18,8 +18,9 @@ pub const State = struct {
|
||||||
dim: Dimensions = .{ .width = 1600, .height = 900 },
|
dim: Dimensions = .{ .width = 1600, .height = 900 },
|
||||||
};
|
};
|
||||||
|
|
||||||
pub fn draw(state: *const State, top_tex: GLuint, btm_tex: GLuint, arm946es: *Arm946es) bool {
|
pub fn draw(state: *const State, top_tex: GLuint, btm_tex: GLuint, system: System) bool {
|
||||||
_ = arm946es;
|
_ = system;
|
||||||
|
|
||||||
zgui.backend.newFrame(@floatFromInt(state.dim.width), @floatFromInt(state.dim.height));
|
zgui.backend.newFrame(@floatFromInt(state.dim.width), @floatFromInt(state.dim.height));
|
||||||
|
|
||||||
{
|
{
|
||||||
|
|
Loading…
Reference in New Issue