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Implement RTC #1

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paoda merged 14 commits from rtc into main 2022-09-17 23:36:34 +00:00
Conversation 0 Commits 14 Files Changed 8 +4 -1
2 changed files with 4 additions and 1 deletions
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4
src/core/bus/GamePak.zig
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@ -6,6 +6,8 @@ const Bit = @import("bitfield").Bit;
const Bitfield = @import("bitfield").Bitfield; const Bitfield = @import("bitfield").Bitfield;
const Backup = @import("backup.zig").Backup; const Backup = @import("backup.zig").Backup;
const Allocator = std.mem.Allocator; const Allocator = std.mem.Allocator;
const force_rtc = @import("../emu.zig").force_rtc;
const log = std.log.scoped(.GamePak); const log = std.log.scoped(.GamePak);
const Self = @This(); const Self = @This();
@ -23,7 +25,7 @@ pub fn init(allocator: Allocator, cpu: *Arm7tdmi, rom_path: []const u8, save_pat
const file_buf = try file.readToEndAlloc(allocator, try file.getEndPos()); const file_buf = try file.readToEndAlloc(allocator, try file.getEndPos());
const title = file_buf[0xA0..0xAC].*; const title = file_buf[0xA0..0xAC].*;
const kind = Backup.guessKind(file_buf); const kind = Backup.guessKind(file_buf);
const device = guessDevice(file_buf); const device = if (force_rtc) .Rtc else guessDevice(file_buf);
logHeader(file_buf, &title); logHeader(file_buf, &title);

1
src/core/emu.zig
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@ -18,6 +18,7 @@ const sync_video: RunKind = .LimitedFPS; // Configure Video Sync
pub const win_scale = 3; // 1x, 2x, 3x, etc. Window Scaling pub const win_scale = 3; // 1x, 2x, 3x, etc. Window Scaling
pub const cpu_logging = false; // Enable detailed CPU logging pub const cpu_logging = false; // Enable detailed CPU logging
pub const allow_unhandled_io = true; // Only relevant in Debug Builds pub const allow_unhandled_io = true; // Only relevant in Debug Builds
pub const force_rtc = false;
// 228 Lines which consist of 308 dots (which are 4 cycles long) // 228 Lines which consist of 308 dots (which are 4 cycles long)
const cycles_per_frame: u64 = 228 * (308 * 4); //280896 const cycles_per_frame: u64 = 228 * (308 * 4); //280896