// Copyright (c) 1994 - 2023 kio@little-bat.de
// BSD-2-Clause license
// https://opensource.org/licenses/BSD-2-Clause


/*	Timex Sinclair TS2086, US
 */


const int  ts2068_basemodel		 = ts2068;
const cstr ts2068_model_name	 = "Timex TS 2068";
const cstr ts2068_rom_filename	 = "ts2068.rom";
const cstr ts2068_kbd_filename	 = "ts2068_kbd.png";
const cstr ts2068_image_filename = "ts2068.jpg";

const bool ts2068_has_port_7ffd = no;
const bool ts2068_has_port_1ffd = no;
const bool ts2068_has_port_F4	= yes;
const bool ts2068_has_port_FF	= yes;

const bool ts2068_has_ay_soundchip			  = yes; // but different port
const bool ts2068_has_tape_drive			  = no;
const bool ts2068_has_module_port			  = yes;
const bool ts2068_has_floppy_drive			  = no;
const bool ts2068_has_printer_port			  = no;
const uint ts2068_has_serial_ports			  = no;
const uint ts2068_has_joystick_ports		  = 2; // connected to AY chip
const bool ts2068_has_kempston_joystick_port  = no;
const bool ts2068_has_sinclair_joystick_ports = no;

const uint32 ts2068_ay_cycles_per_second = 1764750; // WoS
const uint32 ts2068_cc_per_second		 = 3528000; // WoS
const uint32 ts2068_cc_per_line			 = 224;		//			TODO: verify!
const uint	 ts2068_lines_before_screen	 = 34;		// 60 Hz	TODO: verify!
const uint	 ts2068_lines_in_screen		 = 24 * 8;	//
const uint	 ts2068_lines_after_screen	 = 34;		//			TODO: verify!

const uint32 ts2068_rom_size  = 24 * 1024;
const uint32 ts2068_ram_size  = 48 * 1024;
const uint32 ts2068_page_size = 8 * 1024;

const uint32 ts2068_tape_load_routine  = 0x0556; // index in rom[] of tape load routine		TODO: verify!
const uint32 ts2068_tape_save_routine  = 0x04D0; // index in rom[] of tape save routine		TODO: verify!
const uint32 ts2068_tape_load_ret_addr = 0x053F; // index in rom[] of common exit			TODO: verify!

const uint32 ts2068_contended_rampages =
	0xC0000000;								   // ram#0 ($4000-$7fff) contended	TODO: verify!		(caveat: 8k pages!)
const uint8	 ts2068_waitmap			 = 0x7E;   // %01111110						TODO: verify!
const uint32 ts2068_videoram_start_1 = 0x0000; // biased to ram[] start
const uint32 ts2068_videoram_start_2 = 0x2000; // biased to ram[] start
const uint32 ts2068_videoram_size_1	 = 32 * 24 * (8 + 1);
const uint32 ts2068_videoram_size_2	 = 32 * 24 * (8 + 1);

const Sample ts2068_earin_threshold_mic_lo = 0.01; // earout=0 & micout=0 => non-loading setting		// TODO: verify!
const Sample ts2068_earin_threshold_mic_hi = 0.01; // earout=0 & micout=1 => loadFromTape setting		// TODO: verify!