CLK/Machines/ZX8081/Typer.cpp

//
//  Typer.cpp
//  Clock Signal
//
//  Created by Thomas Harte on 09/07/2017.
//  Copyright © 2017 Thomas Harte. All rights reserved.
//

#include "ZX8081.hpp"

uint16_t *ZX8081::Machine::sequence_for_character(Utility::Typer *typer, char character) {
#define KEYS(...)	{__VA_ARGS__, TerminateSequence}
#define SHIFT(...)	{KeyShift, __VA_ARGS__, TerminateSequence}
#define X			{NotMapped}
	typedef Key KeyTable[126][3];
	KeyTable zx81_key_sequences = {
		/* NUL */	X,							/* SOH */	X,
		/* STX */	X,							/* ETX */	X,
		/* EOT */	X,							/* ENQ */	X,
		/* ACK */	X,							/* BEL */	X,
		/* BS */	SHIFT(Key0),				/* HT */	X,
		/* LF */	KEYS(KeyEnter),				/* VT */	X,
		/* FF */	X,							/* CR */	X,
		/* SO */	X,							/* SI */	X,
		/* DLE */	X,							/* DC1 */	X,
		/* DC2 */	X,							/* DC3 */	X,
		/* DC4 */	X,							/* NAK */	X,
		/* SYN */	X,							/* ETB */	X,
		/* CAN */	X,							/* EM */	X,
		/* SUB */	X,							/* ESC */	X,
		/* FS */	X,							/* GS */	X,
		/* RS */	X,							/* US */	X,
		/* space */	KEYS(KeySpace),				/* ! */		X,
		/* " */		SHIFT(KeyP),				/* # */		X,
		/* $ */		SHIFT(KeyU),				/* % */		X,
		/* & */		X,							/* ' */		X,
		/* ( */		SHIFT(KeyI),				/* ) */		SHIFT(KeyO),
		/* * */		SHIFT(KeyB),				/* + */		SHIFT(KeyK),
		/* , */		SHIFT(KeyDot),				/* - */		SHIFT(KeyJ),
		/* . */		KEYS(KeyDot),				/* / */		SHIFT(KeyV),
		/* 0 */		KEYS(Key0),					/* 1 */		KEYS(Key1),
		/* 2 */		KEYS(Key2),					/* 3 */		KEYS(Key3),
		/* 4 */		KEYS(Key4),					/* 5 */		KEYS(Key5),
		/* 6 */		KEYS(Key6),					/* 7 */		KEYS(Key7),
		/* 8 */		KEYS(Key8),					/* 9 */		KEYS(Key9),
		/* : */		SHIFT(KeyZ),				/* ; */		SHIFT(KeyX),
		/* < */		SHIFT(KeyN),				/* = */		SHIFT(KeyL),
		/* > */		SHIFT(KeyM),				/* ? */		SHIFT(KeyC),
		/* @ */		X,							/* A */		KEYS(KeyA),
		/* B */		KEYS(KeyB),					/* C */		KEYS(KeyC),
		/* D */		KEYS(KeyD),					/* E */		KEYS(KeyE),
		/* F */		KEYS(KeyF),					/* G */		KEYS(KeyG),
		/* H */		KEYS(KeyH),					/* I */		KEYS(KeyI),
		/* J */		KEYS(KeyJ),					/* K */		KEYS(KeyK),
		/* L */		KEYS(KeyL),					/* M */		KEYS(KeyM),
		/* N */		KEYS(KeyN),					/* O */		KEYS(KeyO),
		/* P */		KEYS(KeyP),					/* Q */		KEYS(KeyQ),
		/* R */		KEYS(KeyR),					/* S */		KEYS(KeyS),
		/* T */		KEYS(KeyT),					/* U */		KEYS(KeyU),
		/* V */		KEYS(KeyV),					/* W */		KEYS(KeyW),
		/* X */		KEYS(KeyX),					/* Y */		KEYS(KeyY),
		/* Z */		KEYS(KeyZ),					/* [ */		X,
		/* \ */		X,							/* ] */		X,
		/* ^ */		X,							/* _ */		X,
		/* ` */		X,							/* a */		KEYS(KeyA),
		/* b */		KEYS(KeyB),					/* c */		KEYS(KeyC),
		/* d */		KEYS(KeyD),					/* e */		KEYS(KeyE),
		/* f */		KEYS(KeyF),					/* g */		KEYS(KeyG),
		/* h */		KEYS(KeyH),					/* i */		KEYS(KeyI),
		/* j */		KEYS(KeyJ),					/* k */		KEYS(KeyK),
		/* l */		KEYS(KeyL),					/* m */		KEYS(KeyM),
		/* n */		KEYS(KeyN),					/* o */		KEYS(KeyO),
		/* p */		KEYS(KeyP),					/* q */		KEYS(KeyQ),
		/* r */		KEYS(KeyR),					/* s */		KEYS(KeyS),
		/* t */		KEYS(KeyT),					/* u */		KEYS(KeyU),
		/* v */		KEYS(KeyV),					/* w */		KEYS(KeyW),
		/* x */		KEYS(KeyX),					/* y */		KEYS(KeyY),
		/* z */		KEYS(KeyZ),					/* { */		X,
		/* | */		X,							/* } */		X,
	};

	KeyTable zx80_key_sequences = {
		/* NUL */	X,							/* SOH */	X,
		/* STX */	X,							/* ETX */	X,
		/* EOT */	X,							/* ENQ */	X,
		/* ACK */	X,							/* BEL */	X,
		/* BS */	SHIFT(Key0),				/* HT */	X,
		/* LF */	KEYS(KeyEnter),				/* VT */	X,
		/* FF */	X,							/* CR */	X,
		/* SO */	X,							/* SI */	X,
		/* DLE */	X,							/* DC1 */	X,
		/* DC2 */	X,							/* DC3 */	X,
		/* DC4 */	X,							/* NAK */	X,
		/* SYN */	X,							/* ETB */	X,
		/* CAN */	X,							/* EM */	X,
		/* SUB */	X,							/* ESC */	X,
		/* FS */	X,							/* GS */	X,
		/* RS */	X,							/* US */	X,
		/* space */	KEYS(KeySpace),				/* ! */		X,
		/* " */		SHIFT(KeyY),				/* # */		X,
		/* $ */		SHIFT(KeyU),				/* % */		X,
		/* & */		X,							/* ' */		X,
		/* ( */		SHIFT(KeyI),				/* ) */		SHIFT(KeyO),
		/* * */		SHIFT(KeyP),				/* + */		SHIFT(KeyK),
		/* , */		SHIFT(KeyDot),				/* - */		SHIFT(KeyJ),
		/* . */		KEYS(KeyDot),				/* / */		SHIFT(KeyV),
		/* 0 */		KEYS(Key0),					/* 1 */		KEYS(Key1),
		/* 2 */		KEYS(Key2),					/* 3 */		KEYS(Key3),
		/* 4 */		KEYS(Key4),					/* 5 */		KEYS(Key5),
		/* 6 */		KEYS(Key6),					/* 7 */		KEYS(Key7),
		/* 8 */		KEYS(Key8),					/* 9 */		KEYS(Key9),
		/* : */		SHIFT(KeyZ),				/* ; */		SHIFT(KeyX),
		/* < */		SHIFT(KeyN),				/* = */		SHIFT(KeyL),
		/* > */		SHIFT(KeyM),				/* ? */		SHIFT(KeyC),
		/* @ */		X,							/* A */		KEYS(KeyA),
		/* B */		KEYS(KeyB),					/* C */		KEYS(KeyC),
		/* D */		KEYS(KeyD),					/* E */		KEYS(KeyE),
		/* F */		KEYS(KeyF),					/* G */		KEYS(KeyG),
		/* H */		KEYS(KeyH),					/* I */		KEYS(KeyI),
		/* J */		KEYS(KeyJ),					/* K */		KEYS(KeyK),
		/* L */		KEYS(KeyL),					/* M */		KEYS(KeyM),
		/* N */		KEYS(KeyN),					/* O */		KEYS(KeyO),
		/* P */		KEYS(KeyP),					/* Q */		KEYS(KeyQ),
		/* R */		KEYS(KeyR),					/* S */		KEYS(KeyS),
		/* T */		KEYS(KeyT),					/* U */		KEYS(KeyU),
		/* V */		KEYS(KeyV),					/* W */		KEYS(KeyW),
		/* X */		KEYS(KeyX),					/* Y */		KEYS(KeyY),
		/* Z */		KEYS(KeyZ),					/* [ */		X,
		/* \ */		X,							/* ] */		X,
		/* ^ */		X,							/* _ */		X,
		/* ` */		X,							/* a */		KEYS(KeyA),
		/* b */		KEYS(KeyB),					/* c */		KEYS(KeyC),
		/* d */		KEYS(KeyD),					/* e */		KEYS(KeyE),
		/* f */		KEYS(KeyF),					/* g */		KEYS(KeyG),
		/* h */		KEYS(KeyH),					/* i */		KEYS(KeyI),
		/* j */		KEYS(KeyJ),					/* k */		KEYS(KeyK),
		/* l */		KEYS(KeyL),					/* m */		KEYS(KeyM),
		/* n */		KEYS(KeyN),					/* o */		KEYS(KeyO),
		/* p */		KEYS(KeyP),					/* q */		KEYS(KeyQ),
		/* r */		KEYS(KeyR),					/* s */		KEYS(KeyS),
		/* t */		KEYS(KeyT),					/* u */		KEYS(KeyU),
		/* v */		KEYS(KeyV),					/* w */		KEYS(KeyW),
		/* x */		KEYS(KeyX),					/* y */		KEYS(KeyY),
		/* z */		KEYS(KeyZ),					/* { */		X,
		/* | */		X,							/* } */		X,
	};
#undef KEYS
#undef SHIFT
#undef X

	if(character > sizeof(zx81_key_sequences) / sizeof(*zx81_key_sequences)) return nullptr;

	KeyTable *table = is_zx81_ ? &zx81_key_sequences : &zx80_key_sequences;
	if((*table)[character][0] == NotMapped) return nullptr;
	return (uint16_t *)(*table)[character];
}