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MCUME/MCUME_pico/pico64/c64.cpp

472 wiersze
15 KiB
C++
Czysty Wina Historia

#include "pico.h"
#include "pico/stdlib.h"
#include <stdio.h>
extern "C" {
#include "emuapi.h"
#include "platform_config.h"
}
#include "Teensy64.h"
#include <string.h>
#ifdef HAS_SND
#include "reSID.h"
AudioPlaySID playSID;
#endif
using namespace std;
#ifndef PICOMPUTER
/*
static bool oskbActive=false;
*/
#endif
/* IRAM_ATTR */
static void oneRasterLine(void) {
static unsigned short lc = 1;
while (true) {
cpu.lineStartTime = fbmicros(); //get_ccount();
cpu.lineCycles = cpu.lineCyclesAbs = 0;
if (!cpu.exactTiming) {
vic_do();
} else {
vic_do_simple();
}
if (--lc == 0) {
lc = LINEFREQ / 10; // 10Hz
cia1_checkRTCAlarm();
cia2_checkRTCAlarm();
}
//Switch "ExactTiming" Mode off after a while:
if (!cpu.exactTiming) break;
if ( (fbmicros() - cpu.exactTimingStartTime)*1000 >= EXACTTIMINGDURATION ) {
cpu_disableExactTiming();
break;
}
};
}
const uint32_t ascii2scan[] = {
//0 1 2 3 4 5 6 7 8 9 A B C D E F
0,0,0,0,0,0,0,0,0,0,0,0,0,0x28,0,0, // return
// 17:down 29:right
0x00,0x51,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x4f,0x00,0x00,
//sp ! " # $ % & ' ( ) * + , - . /
0x2c,0x201e,0x201f,0x2020,0x2021,0x2022,0x2023,0x2024,0x2025,0x2026,0x55,0x57,0x36,0x56,0x37,0x54,
//0 1 2 3 4 5 6 7 8 9 : ; < = > ?
0x27,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x33,0x34,0x2036,0x32,0x2037,0x2054,
//@ A B C D E F G H I J K L M N O
47,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,
//P Q R S T U V W X Y Z [ \ ] ^ _
0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x2026,0x31,0x2027,0x00,0x00,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // ' a b c d e f g h i j k l m n o
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x49,0, // p q r s t u v w x y z { | } ~ DEL
//? ? 133:f1 f2 f3 f4 f5 f6 f7 f8
75,78,0x00,0x00,0x00,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x00,0x00,0x00, // 128-143
// 145:up 157:left
0x00,0x2051,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x204f,0x00,0x00 // 144-159
};
// we also use USB matrix for the moment
static const uint8_t keymatrixmap[2][256] = {
//Rows:
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
{ 0x00, 0x00, 0x00, 0x00, 0x02, 0x08, 0x04, 0x04, 0x02, 0x04, 0x08, 0x08, 0x10, 0x10, 0x10, 0x20, //0x00
0x10, 0x10, 0x10, 0x20, 0x80, 0x04, 0x02, 0x04, 0x08, 0x08, 0x02, 0x04, 0x08, 0x02, 0x80, 0x80, //0x10
0x02, 0x02, 0x04, 0x04, 0x08, 0x08, 0x10, 0x10, 0x01, 0x80, 0x01, 0x00, 0x80, 0x00, 0x00, 0x20, //0x20
0x00, 0x00, 0x40, 0x20, 0x40, 0x00, 0x20, 0x20, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, //0x30
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x00, 0x00, 0x80, 0x01, //0x40
0x00, 0x01, 0x00, 0x00, 0x40, 0x40, 0x20, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x50
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x60
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x70
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x80
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x90
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xA0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xB0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xC0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xD0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xE0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x40, 0x02
}, //0xF0
//Columns:
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
{ 0x00, 0x00, 0x00, 0x00, 0x04, 0x10, 0x10, 0x04, 0x40, 0x20, 0x04, 0x20, 0x02, 0x04, 0x20, 0x04, //0x00
0x10, 0x80, 0x40, 0x02, 0x40, 0x02, 0x20, 0x40, 0x40, 0x80, 0x02, 0x80, 0x02, 0x10, 0x01, 0x08, //0x10
0x01, 0x08, 0x01, 0x08, 0x01, 0x08, 0x01, 0x08, 0x02, 0x80, 0x01, 0x00, 0x10, 0x00, 0x00, 0x40, //0x20
0x00, 0x00, 0x20, 0x20, 0x04, 0x00, 0x80, 0x10, 0x00, 0x00, 0x10, 0x00, 0x20, 0x00, 0x40, 0x00, //0x30
0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x08, 0x40, 0x00, 0x00, 0x02, 0x04, //0x40
0x00, 0x80, 0x00, 0x00, 0x80, 0x02, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x50
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x60
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x70
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x80
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0x90
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xA0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xB0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xC0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xD0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //0xE0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x04, 0x10, 0x80
}
}; //0xF0
struct {
union {
uint32_t kv;
struct {
uint8_t ke, //Extratasten SHIFT, STRG, ALT...
kdummy,
k, //Erste gedrückte Taste
k2; //Zweite gedrückte Taste
};
};
uint32_t lastkv;
uint8_t shiftLock;
} kbdData = {0, 0, 0};
static void setKey(uint32_t k, bool pressed) {
if (pressed) {
kbdData.kv = (k << 16);
kbdData.ke = kbdData.k2;
kbdData.k2 = 0;
}
else
{
kbdData.kv = 0;
}
}
static void pushStringToTextEntry(char * text) {
char c;
while ((c = *text++)) {
setKey(ascii2scan[c], true);
sleep_ms(20);
setKey(ascii2scan[c], false);
sleep_ms(20);
}
}
uint8_t cia1PORTA(void) {
uint8_t v;
v = ~cpu.cia1.R[0x02] | (cpu.cia1.R[0x00] & cpu.cia1.R[0x02]);
int keys = emu_GetPad();
#ifndef PICOMPUTER
/*
if (oskbActive) keys = 0;
*/
#endif
if (!cpu.swapJoysticks) {
if (keys & MASK_JOY2_BTN) v &= 0xEF;
if (keys & MASK_JOY2_UP) v &= 0xFE;
if (keys & MASK_JOY2_DOWN) v &= 0xFD;
if (keys & MASK_JOY2_RIGHT) v &= 0xFB;
if (keys & MASK_JOY2_LEFT) v &= 0xF7;
} else {
if (keys & MASK_JOY1_BTN) v &= 0xEF;
if (keys & MASK_JOY1_UP) v &= 0xFE;
if (keys & MASK_JOY1_DOWN) v &= 0xFD;
if (keys & MASK_JOY1_RIGHT) v &= 0xFB;
if (keys & MASK_JOY1_LEFT) v &= 0xF7;
}
if (!kbdData.kv) return v; //Keine Taste gedrückt
uint8_t filter = ~cpu.cia1.R[0x01] & cpu.cia1.R[0x03];
if (kbdData.k) {
if ( keymatrixmap[1][kbdData.k] & filter) v &= ~keymatrixmap[0][kbdData.k];
}
if (kbdData.ke) {
if (kbdData.ke & 0x02) { //Shift-links
if ( keymatrixmap[1][0xff] & filter) v &= ~keymatrixmap[0][0xff];
}
if (kbdData.ke & 0x20) { //Shift-rechts
if ( keymatrixmap[1][0xfe] & filter) v &= ~keymatrixmap[0][0xfe];
}
if (kbdData.ke & 0x11) { //Control
if ( keymatrixmap[1][0xfd] & filter) v &= ~keymatrixmap[0][0xfd];
}
if (kbdData.ke & 0x88) { //Windows (=> Commodore)
if ( keymatrixmap[1][0xfc] & filter) v &= ~keymatrixmap[0][0xfc];
}
}
return v;
}
uint8_t cia1PORTB(void) {
uint8_t v;
v = ~cpu.cia1.R[0x03] | (cpu.cia1.R[0x00] & cpu.cia1.R[0x02]) ;
int keys = emu_GetPad();
#ifndef PICOMPUTER
/*
if (oskbActive) keys = 0;
*/
#endif
if (!cpu.swapJoysticks) {
if (keys & MASK_JOY1_BTN) v &= 0xEF;
if (keys & MASK_JOY1_UP) v &= 0xFE;
if (keys & MASK_JOY1_DOWN) v &= 0xFD;
if (keys & MASK_JOY1_RIGHT) v &= 0xFB;
if (keys & MASK_JOY1_LEFT) v &= 0xF7;
} else {
if (keys & MASK_JOY2_BTN) v &= 0xEF;
if (keys & MASK_JOY2_UP) v &= 0xFE;
if (keys & MASK_JOY2_DOWN) v &= 0xFD;
if (keys & MASK_JOY2_RIGHT) v &= 0xFB;
if (keys & MASK_JOY2_LEFT) v &= 0xF7;
}
if (!kbdData.kv) return v; //Keine Taste gedrückt
uint8_t filter = ~cpu.cia1.R[0x00] & cpu.cia1.R[0x02];
if (kbdData.k) {
if ( keymatrixmap[0][kbdData.k] & filter) v &= ~keymatrixmap[1][kbdData.k];
}
if (kbdData.ke) {
if (kbdData.ke & 0x02) { //Shift-links
if ( keymatrixmap[0][0xff] & filter) v &= ~keymatrixmap[1][0xff];
}
if (kbdData.ke & 0x20) { //Shift-rechts
if ( keymatrixmap[0][0xfe] & filter) v &= ~keymatrixmap[1][0xfe];
}
if (kbdData.ke & 0x11) { //Control
if ( keymatrixmap[0][0xfd] & filter) v &= ~keymatrixmap[1][0xfd];
}
if (kbdData.ke & 0x88) { //Windows (=> Commodore)
if ( keymatrixmap[0][0xfc] & filter) v &= ~keymatrixmap[1][0xfc];
}
}
return v;
}
void c64_Init(void)
{
disableEventResponder();
resetPLA();
resetCia1();
resetCia2();
resetVic();
cpu_reset();
#ifdef HAS_SND
playSID.begin();
emu_sndInit();
#endif
}
void c64_Step(void)
{
oneRasterLine();
}
void c64_Start(char * filename)
{
}
static uint8_t nbkeys = 0;
static uint8_t kcnt = 0;
static bool toggle = true;
static char * textseq;
static char * textload = "LOAD\"\"\r\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tRUN\r";
static char textkey[1];
static bool res=false;
static bool firsttime=true;
#ifndef PICOMPUTER
/*
#define OSKB_YPOS (240-16)
static char * oskbtext1 = "FFFFFFFF RD\"$ABCDEFGHIJKLMNOPQRSTUVWXYZ";
static char * oskbtext2 = "12345678 TL ,.* 0123456789 ";
static int oskbXPos = 10;
static int oskbYPos = 0;
#define OSKB_TEXT RGBVAL16(0, 0, 170)
#define OSKB_BG RGBVAL16(255, 255, 255)
#define OSKB_HL RGBVAL16(255, 255, 0)
int emu_oskbActive(void) {
return (oskbActive?1:0);
}
void emu_DrawVsync(void)
{
char sel[2]={0,0};
if (oskbActive) {
int fbwidth;
tft.get_frame_buffer_size(&fbwidth,NULL);
tft.drawText((fbwidth-320)/2,OSKB_YPOS,oskbtext1,OSKB_TEXT,OSKB_BG,false);
tft.drawText((fbwidth-320)/2,OSKB_YPOS+8,oskbtext2,OSKB_TEXT,OSKB_BG,false);
sel[0]=(oskbYPos==0)?oskbtext1[oskbXPos]:oskbtext2[oskbXPos];
tft.drawText((fbwidth-320)/2+oskbXPos*8,OSKB_YPOS+8*oskbYPos,sel,OSKB_TEXT,OSKB_HL,false);
}
//skip += 1;
//skip &= VID_FRAME_SKIP;
#ifdef USE_VGA
tft.waitSync();
#endif
}
*/
#endif
//#define DEBUG 1
#ifdef DEBUG
static const char * digits = "0123456789ABCDEF";
static char buf[5] = {0,0,0,0,0};
#endif
void c64_Input(int bClick) {
#ifdef DEBUG
/*
buf[2] = 0;
int key = emu_ReadI2CKeyboard2(0);
buf[0] = digits[(key>>4)&0xf];
buf[1] = digits[key&0xf];
tft.drawText(4*8,16*4,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
key = emu_ReadI2CKeyboard2(1);
buf[0] = digits[(key>>4)&0xf];
buf[1] = digits[key&0xf];
tft.drawText(4*8,16*5,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
key = emu_ReadI2CKeyboard2(2);
buf[0] = digits[(key>>4)&0xf];
buf[1] = digits[key&0xf];
tft.drawText(4*8,16*6,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
key = emu_ReadI2CKeyboard2(3);
buf[0] = digits[(key>>4)&0xf];
buf[1] = digits[key&0xf];
tft.drawText(4*8,16*7,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
key = emu_ReadI2CKeyboard2(4);
buf[0] = digits[(key>>4)&0xf];
buf[1] = digits[key&0xf];
tft.drawText(4*8,16*8,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
key = emu_ReadI2CKeyboard2(5);
buf[0] = digits[(key>>4)&0xf];
buf[1] = digits[key&0xf];
tft.drawText(4*8,16*9,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
*/
#endif
#ifndef PICOMPUTER
/*
int fbwidth;
if (oskbActive) {
if (bClick & MASK_JOY2_BTN) {
if (oskbXPos == 10) textkey[0] = 13;
else if (oskbXPos == 11) textkey[0] = 157;
else if (oskbXPos < 8) textkey[0] = 0x85+oskbXPos;
else textkey[0] = (oskbYPos == 0)?oskbtext1[oskbXPos]:oskbtext2[oskbXPos];
textseq = textkey;
nbkeys = 1;
kcnt = 0;
oskbActive = false;
tft.get_frame_buffer_size(&fbwidth,NULL);
tft.drawRect(0,OSKB_YPOS,fbwidth,16,RGBVAL16(0, 0, 0));
}
if (bClick & MASK_JOY2_RIGHT) if (oskbXPos != 0) oskbXPos--;
if (bClick & MASK_JOY2_LEFT) if (oskbXPos != 39) oskbXPos++;
if (bClick & MASK_JOY2_UP) oskbYPos = 0;
if (bClick & MASK_JOY2_DOWN) oskbYPos = 1;
}
*/
#endif
if (nbkeys == 0) {
#ifndef PICOMPUTER
/*
if (bClick & MASK_KEY_USER2) {
if (!oskbActive) {
oskbActive = true;
}
else {
oskbActive = false;
tft.get_frame_buffer_size(&fbwidth,NULL);
tft.drawRect(0,OSKB_YPOS,fbwidth,16,RGBVAL16(0, 0, 0));
}
}
else
*/
#endif
if ( (bClick & MASK_KEY_USER1) && !(emu_GetPad() & MASK_OSKB) ) {
if (firsttime) {
firsttime = false;
textseq = textload;
nbkeys = strlen(textseq);
kcnt=0;
}
else {
cpu.swapJoysticks = !cpu.swapJoysticks;
}
}
else
{
int hk = emu_ReadI2CKeyboard();
if ( (hk != 0) && (res == false) ) {
#ifdef DEBUG
buf[3] = 0;
buf[0] = digits[(hk>>8)&0xf];
buf[1] = digits[(hk>>4)&0xf];
buf[2] = digits[hk&0xf];
tft.drawText(0,0,buf,RGBVAL16(0x00,0x00,0x00),RGBVAL16(0xFF,0xFF,0xFF),true);
#endif
setKey(ascii2scan[hk],true);
res = true;
}
else if (hk == 0){
setKey(ascii2scan[hk],false);
res = false;
}
}
}
else {
char k = textseq[kcnt];
if (k != '\t') setKey(ascii2scan[k],toggle);
if (!toggle) {
kcnt++;
nbkeys--;
toggle = true;
}
else {
toggle = false;
}
}
}
void emu_KeyboardOnDown(int keymodifer, int key) {
}
void emu_KeyboardOnUp(int keymodifer, int key) {
}
#ifdef HAS_SND
void SND_Process( void * stream, int len )
{
playSID.update(stream, len);
}
#endif
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