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


// Inves Spectrum+
// Unlicensed Spanish clone

const int  inves_basemodel		= zxsp_i3;
const cstr inves_model_name		= "Inves Spectrum+ (Spanish)";
const cstr inves_rom_filename	= "plus_span.rom";
const cstr inves_kbd_filename	= "128k_kbd_span.jpg";
const cstr inves_image_filename = "plus_span.jpg";

const uint32 inves_cc_per_second = 17734500 / 5; // XTAL is 17.7345 = 5 * 3546900 Hz.	TODO: get info!
const uint32 inves_cc_per_line	 = 57 * 4;		 // cc/frame = 70908 [tested: 2007-06-04 kio]
												 // 70908 = (311 lines) * (57*4 cc_per_line)
const uint inves_lines_before_screen = 63;		 // TODO: verify		311 lines = 63 above + 192 screen + 56 below
const uint inves_lines_in_screen	 = 24 * 8;	 // TODO: verify		therse values are as for 128K models
const uint inves_lines_after_screen	 = 56;		 // TODO: verify

const uint inves_has_joystick_ports			 = 1;
const bool inves_has_kempston_joystick_port	 = yes;
const bool inves_has_sinclair_joystick_ports = no;

const uint32 inves_rom_size	 = 16 * 1024;
const uint32 inves_ram_size	 = 48 * 1024; // TODO: actually 64K, but 16K probably not accessible
const uint32 inves_page_size = 16 * 1024;

const uint32 inves_tape_load_routine  = 0x0556; // index in rom[]	TODO: verify
const uint32 inves_tape_save_routine  = 0x04D0; // index in rom[]	TODO: verify
const uint32 inves_tape_load_ret_addr = 0x053F;

// TODO: verify: Inves: probably no videoram contendion
// uint32 const	inves_contended_rampages	= 0x00000000;
// uint8	 const	inves_waitmap				= 0x00;

const uint32 inves_videoram_start = 0x0000; // biased to ram[] start
const uint32 inves_videoram_size  = 32 * 24 * (8 + 1);

const Sample inves_earin_threshold = 0.01; // TODO: verify