MCUME/MCUME_teensy41/teensycastaway/wrapemu.cpp

858 wiersze
20 KiB
C++

#include <string.h>
#include "emuapi.h"
#include "dcastaway.h"
#include "st.h"
#include "mem.h"
#include "m68k_intrf.h"
#include "xram.h"
#include "iopins.h"
#ifndef NO_SOUND
#include "sound.h"
#endif
#include "tossw14.h"
static bool hires = true;
int8 *membase;
int8 *rombase;
static int hbl = 0;
static int hsync = 0;
static int vsyncpend = 0, hsyncpend = 0;
int exmousex=160,exmousey=100;
int CompleteSndBufIdx;
int waitstate=0;
int maybe_border=0;
unsigned cyclenext=512;
unsigned vid_adr_cycleyet=0;
static unsigned char vid_cycles_pal[1024];
unsigned char *vid_cycle=(unsigned char *)&vid_cycles_pal;
extern unsigned char fdc_motor;
#define XRES 320
#define YRES 200
static unsigned short line[XRES*2]; // max 640 pixels in hires
#define PALMULT8(x) ((x)<<5)
#define RGBVAL16(r,g,b) ( (((r>>3)&0x1f)<<11) | (((g>>2)&0x3f)<<5) | (((b>>3)&0x1f)<<0) )
void Redraw16 ( int row, int vid_adr )
{
static unsigned short palmap [ 16 ];
register unsigned short *line_i;
line_i = (unsigned short *)(&membase[vid_adr]);
register unsigned short *line_o= &line[0];
if (vid_flag) {
unsigned char i, r, g, b;
for (i = 0; i < 16; i++) {
b = PALMULT8 ( (vid_col[i] & 0x7) );
g = PALMULT8 ( ((vid_col[i] >> 4) & 0x7) );
r = PALMULT8 ( ((vid_col[i] >> 8) & 0x7) );
palmap [ i ] = RGBVAL16(r,g,b);
}
vid_flag=0;
}
register int col;
register int bit;
for (col=0; col<20; col++) {
register unsigned short pl0=*line_i++,pl1=*line_i++,pl2=*line_i++,pl3=*line_i++;
for (bit=15;bit>=0;bit--) {
int ind = (pl0 >> bit) & 0x1;
ind += ((pl1 >> bit) & 0x1)<<1;
ind += ((pl2 >> bit) & 0x1)<<2;
ind += ((pl3 >> bit) & 0x1)<<3;
*line_o++ = palmap [ ind ];
}
}
if (hires) {
emu_DrawLine16(&line[0], XRES, YRES*2, row*2);
emu_DrawLine16(&line[0], XRES, YRES*2, row*2+1);
}
else {
emu_DrawLine16(&line[0], XRES, YRES, row);
}
}
void Redraw16_med ( int row, int vid_adr )
{
static unsigned short palmap [ 4 ];
register unsigned short *line_i;
line_i = (unsigned short *)(&membase[vid_adr]);
register unsigned short *line_o= &line[0];
if (vid_flag) {
unsigned char i, r, g, b;
for (i = 0; i < 4; i++) {
b = PALMULT8 ( (vid_col[i] & 0x7) );
g = PALMULT8 ( ((vid_col[i] >> 4) & 0x7) );
r = PALMULT8 ( ((vid_col[i] >> 8) & 0x7) );
palmap [ i ] = RGBVAL16(r,g,b);
}
vid_flag=0;
}
register int col;
register int bit;
for (col=0; col<40; col++) {
register unsigned short pl0=*line_i++,pl1=*line_i++;
for (bit=15;bit>=0;bit--) {
int ind = (pl0 >> bit) & 0x1;
ind += ((pl1 >> bit) & 0x1)<<1;
if (hires) {
*line_o++ = palmap [ ind ];
}
else {
if (bit & 0x01)
*line_o++ = palmap [ ind ];
}
}
}
if (hires) {
emu_DrawLine16(&line[0], XRES*2, YRES*2, row*2);
emu_DrawLine16(&line[0], XRES*2, YRES*2, row*2+1);
}
else {
emu_DrawLine16(&line[0], XRES, YRES, row);
}
}
void Redraw16_hi ( int row, int vid_adr )
{
if (hires) {
static unsigned short palmap [ 2 ];
register unsigned short *line_i;
line_i = (unsigned short *)(&membase[vid_adr]);
register unsigned short *line_o= &line[0];
if (vid_flag) {
palmap [ 0 ] = RGBVAL16(0xff,0xff,0xff);
palmap [ 1 ] = RGBVAL16(0x00,0x00,0x00);
vid_flag=0;
}
register int col;
register int bit;
for (col=0; col<40; col++) {
register unsigned short pl0=*line_i++;
for (bit=15;bit>=0;bit--) {
int ind = (pl0 >> bit) & 0x1;
*line_o++ = palmap [ ind ];
}
}
emu_DrawLine16(&line[0], XRES*2, YRES*2, row*2);
line_o= &line[0];
for (col=0; col<40; col++) {
register unsigned short pl0=*line_i++;
for (bit=15;bit>=0;bit--) {
int ind = (pl0 >> bit) & 0x1;
*line_o++ = palmap [ ind ];
}
}
emu_DrawLine16(&line[0], XRES*2, YRES*2, row*2+1);
}
}
void ast_Init(void)
{
hires = emu_IsVgaHires()?true:false;
emu_printf("Allocating RAM");
membase = (int8*)xram_MemPool();
for (int i=0; i<MEMSIZE;i++)
membase[i]=0;
rombase = (int8*)&tos[0]-ROMBASE;
(void) memcpy (membase, &tos[0], 8);
}
static int mouse_x = XRES/2;
static int mouse_y = 100;
static int prev_mouse_x = XRES/2;
static int prev_mouse_y = 100;
static int prev_key = 0;
static int prev_j = 0;
static int prev_mouseb1 = 0;
static int prev_mouseb2 = 0;
static bool isMouse = true;
static int joynum = 1;
static int hk = 0;
static int prev_hk = 0;
static int k = 0;
static int prev_k = 0;
#define INV_KEY 0
const int16_t keyboardAsciiConv[] = // QWERTY Keyboard
{
/* 0x00 */ INV_KEY,
/* 0x01 */ INV_KEY,
/* 0x02 */ INV_KEY,
/* 0x03 */ INV_KEY,
/* 0x04 */ INV_KEY,
/* 0x05 */ INV_KEY,
/* 0x06 */ INV_KEY,
/* 0x07 */ INV_KEY,
/* 0x08 */ INV_KEY,
/* 0x09 */ 0x0f, // tab
/* 0x0A */ 0x1C, // enter
/* 0x0B */ INV_KEY,
/* 0x0C */ INV_KEY,
/* 0x0D */ INV_KEY,
/* 0x0E */ INV_KEY,
/* 0x0F */ INV_KEY,
/* 0x10 */ INV_KEY,
/* 0x11 */ INV_KEY,
/* 0x12 */ INV_KEY,
/* 0x13 */ INV_KEY,
/* 0x14 */ INV_KEY,
/* 0x15 */ INV_KEY,
/* 0x16 */ INV_KEY,
/* 0x17 */ INV_KEY,
/* 0x18 */ INV_KEY,
/* 0x19 */ INV_KEY,
/* 0x1A */ INV_KEY,
/* 0x1B */ 0x01, // esc
/* 0x1C */ INV_KEY,
/* 0x1D */ INV_KEY,
/* 0x1E */ INV_KEY,
/* 0x1F */ INV_KEY,
/* 0x20 */ 0x39, // space
/* 0x21 */ INV_KEY,
/* 0x22 */ INV_KEY,
/* 0x23 */ INV_KEY,
/* 0x24 */ INV_KEY,
/* 0x25 */ INV_KEY,
/* 0x26 */ 43, // ampercent (backslash)
/* 0x27 */ 40, // single quote
/* 0x28 */ 26, // bracket left
/* 0x29 */ 27, // bracket right
/* 0x2A */ INV_KEY, // mult *
/* 0x2B */ INV_KEY,
/* 0x2C */ 51, // comma ,
/* 0x2D */ 12, // minus -
/* 0x2E */ 52, // period .
/* 0x2F */ 53, // slash /
/* 0x30 */ 0x0B, // 0
/* 0x31 */ 0x02,
/* 0x32 */ 0x03,
/* 0x33 */ 0x04,
/* 0x34 */ 0x05,
/* 0x35 */ 0x06,
/* 0x36 */ 0x07,
/* 0x37 */ 0x08,
/* 0x38 */ 0x09,
/* 0x39 */ 0x0A, // 9
/* 0x3A */ INV_KEY, // colon :
/* 0x3B */ 39, // semi colon ;
/* 0x3C */ INV_KEY,
/* 0x3D */ 13, // equal =
/* 0x3E */ INV_KEY,
/* 0x3F */ INV_KEY,
/* 0x40 */ INV_KEY,
/* 0x41 */ INV_KEY,
/* 0x42 */ INV_KEY,
/* 0x43 */ INV_KEY,
/* 0x44 */ INV_KEY,
/* 0x45 */ INV_KEY,
/* 0x46 */ INV_KEY,
/* 0x47 */ INV_KEY,
/* 0x48 */ INV_KEY,
/* 0x49 */ INV_KEY,
/* 0x4A */ INV_KEY,
/* 0x4B */ INV_KEY,
/* 0x4C */ INV_KEY,
/* 0x4D */ INV_KEY,
/* 0x4E */ INV_KEY,
/* 0x4F */ INV_KEY,
/* 0x50 */ INV_KEY,
/* 0x51 */ INV_KEY,
/* 0x52 */ INV_KEY,
/* 0x53 */ INV_KEY,
/* 0x54 */ INV_KEY,
/* 0x55 */ INV_KEY,
/* 0x56 */ INV_KEY,
/* 0x57 */ INV_KEY,
/* 0x58 */ INV_KEY,
/* 0x59 */ INV_KEY,
/* 0x5A */ INV_KEY,
/* 0x5B */ INV_KEY,
/* 0x5C */ INV_KEY,
/* 0x5D */ INV_KEY,
/* 0x5E */ INV_KEY,
/* 0x5F */ INV_KEY,
/* 0x60 */ INV_KEY,
/* 0x61 */ 0x1E, // A
/* 0x62 */ 0x30, // B
/* 0x63 */ 0x2E, // C
/* 0x64 */ 0x20, // D
/* 0x65 */ 0x12, // E
/* 0x66 */ 0x21, // F
/* 0x67 */ 0x22, // G
/* 0x68 */ 0x23, // H
/* 0x69 */ 0x17, // I
/* 0x6A */ 0x24, // J
/* 0x6B */ 0x25, // K
/* 0x6C */ 0x26, // L
/* 0x6D */ 0x32, // M
/* 0x6E */ 0x31, // N
/* 0x6F */ 0x18, // O
/* 0x70 */ 0x19, // P
/* 0x71 */ 0x10, // Q
/* 0x72 */ 0x13, // R
/* 0x73 */ 0x1F, // S
/* 0x74 */ 0x14, // T
/* 0x75 */ 0x16, // U
/* 0x76 */ 0x2F, // V
/* 0x77 */ 0x11, // W
/* 0x78 */ 0x2D, // X
/* 0x79 */ 0x15, // Y
/* 0x7A */ 0x2C, // Z
/* 0x7B */ INV_KEY,
/* 0x7C */ INV_KEY,
/* 0x7D */ INV_KEY,
/* 0x7E */ INV_KEY,
/* 0x7F */ 0x0E // backspace
};
const int16_t keyboardSpecialConv[] = // Functions and other keys
{
/* 0xC0 */ INV_KEY,
/* 0xC1 */ INV_KEY,
/* 0xC2 */ 0x3b, // F1
/* 0xC3 */ 0x3c, // F2
/* 0xC4 */ 0x3d, // F3
/* 0xC5 */ 0x3e, // F4
/* 0xC6 */ 0x3f, // F5
/* 0xC7 */ 0x40, // F6
/* 0xC8 */ 0x41, // F7
/* 0xC9 */ 0x42, // F8
/* 0xCA */ 0x43, // F9
/* 0xCB */ 0x44, // F10
/* 0xCC */ INV_KEY,
/* 0xCD */ INV_KEY,
/* 0xCE */ INV_KEY,
/* 0xCF */ INV_KEY,
/* 0xD0 */ INV_KEY,
/* 0xD1 */ INV_KEY,
/* 0xD2 */ INV_KEY,
/* 0xD3 */ INV_KEY,
/* 0xD4 */ INV_KEY, // DEL
/* 0xD5 */ INV_KEY,
/* 0xD6 */ INV_KEY,
/* 0xD7 */ INV_KEY,
/* 0xD8 */ INV_KEY,
/* 0xD9 */ INV_KEY,
/* 0xDA */ INV_KEY,
/* 0xDB */ INV_KEY,
/* 0xDC */ INV_KEY,
/* 0xDD */ INV_KEY,
/* 0xDE */ INV_KEY,
/* 0xDF */ INV_KEY
};
void emu_KeyboardOnDown(int keymodifer, int key) {
//emu_printi(key);
int keyCode = INV_KEY;
if ((key >=0xc0) && (key <=0xdf)) {
keyCode = keyboardSpecialConv[(key-0xc0) & 0x1f];
}
else {
keyCode = keyboardAsciiConv[key & 0x7f];
}
//emu_printi(keyCode);
IkbdKeyPress ( keyCode );
}
void emu_KeyboardOnUp(int keymodifer, int key) {
int keyCode = INV_KEY;
if ((key >=0xc0) && (key <=0xdf)) {
keyCode = keyboardSpecialConv[(key-0xc0) & 0x1f];
}
else {
keyCode = keyboardAsciiConv[key & 0x7f];
}
IkbdKeyRelease ( keyCode );
}
extern void ast_Input(int click) {
hk = emu_ReadI2CKeyboard();
k = emu_ReadKeys();
}
static void do_events(void)
{
int bClick = k & ~prev_k;
prev_k = k;
int mouseb1 = prev_mouseb1;
int mouseb2 = prev_mouseb2;
// Toggle keymap + mouse/joystick
if (bClick & MASK_KEY_USER2) {
if (isMouse) isMouse = false;
else isMouse = true;
//#ifndef HAS_T4_VGA
emu_setKeymap(0);
//#endif
}
// force joystick mode if mouse detected
if (emu_MouseDetected() ) isMouse = false;
if (hk != prev_hk) {
prev_hk = hk;
if ( (hk != 0) && (hk != prev_key) ) {
prev_key = hk;
int keyCode = INV_KEY;
if ((prev_key >=0xc0) && (prev_key <=0xdf)) {
keyCode = keyboardSpecialConv[(prev_key-0xc0) & 0x1f];
}
else {
keyCode = keyboardAsciiConv[prev_key & 0x7f];
}
IkbdKeyPress ( keyCode );
}
}
if ( (hk == 0) && (prev_key) ) {
int keyCode = INV_KEY;
if ((prev_key >=0xc0) && (prev_key <=0xdf)) {
keyCode = keyboardSpecialConv[(prev_key-0xc0) & 0x1f];
}
else {
keyCode = keyboardAsciiConv[prev_key & 0x7f];
}
IkbdKeyRelease ( keyCode /*| 0x80*/ );
prev_key = 0;
}
int buts,dx,dy;
int mouseEvent = emu_GetMouse(&dx,&dy,&buts);
if (mouseEvent){
mouse_x += dx;
if ( (vid_shiftmode==COL2) && (hires) ) {
if ( mouse_x >= XRES*2 ) {
mouse_x = XRES*2-1;
}
}
else {
if ( mouse_x >= XRES ) {
mouse_x = XRES-1;
}
}
if ( mouse_x < 0 ) {
mouse_x = 0;
}
mouse_y += dy;
if ( mouse_y >= YRES ) {
mouse_y = YRES-1;
}
else if ( mouse_y < 0 ) {
mouse_y = 0;
}
if (buts & 0x1) {
mouseb1 |=1;
}
else {
mouseb1 &=~1;
}
if (buts & 0x2) {
mouseb2 |=1;
}
else {
mouseb2 &=~1;
}
}
if (!isMouse)
{
int j = 0;
if (( k & MASK_JOY1_LEFT) || ( k & MASK_JOY2_LEFT)) {
j |= 0x04;
}
if (( k & MASK_JOY1_RIGHT) || ( k & MASK_JOY2_RIGHT)) {
j |= 0x08;
}
if (( k & MASK_JOY1_UP) || ( k & MASK_JOY2_UP)) {
j |= 0x01;
}
if (( k & MASK_JOY1_DOWN) || ( k & MASK_JOY2_DOWN)) {
j |= 0x02;
}
if (( k & MASK_JOY1_BTN) || ( k & MASK_JOY2_BTN)) {
j |= 0x80;
}
if (j != prev_j) {
IkbdJoystickChange(joynum,j);
prev_j = j;
}
}
else {
if (( k & MASK_JOY1_RIGHT) || ( k & MASK_JOY2_RIGHT)) {
mouse_x += 1;
if ( (vid_shiftmode==COL2) && (hires) ) {
if ( mouse_x >= XRES*2 ) {
mouse_x = XRES*2-1;
}
}
else {
if ( mouse_x >= XRES ) {
mouse_x = XRES-1;
}
}
}
else if (( k & MASK_JOY1_LEFT) || ( k & MASK_JOY2_LEFT)) {
mouse_x -= 1;
if ( mouse_x < 0 ) {
mouse_x = 0;
}
}
else if (( k & MASK_JOY1_UP) || ( k & MASK_JOY2_UP)) {
mouse_y -= 1;
if ( mouse_y < 0 ) {
mouse_y = 0;
}
}
else if (( k & MASK_JOY1_DOWN) || ( k & MASK_JOY2_DOWN)) {
mouse_y += 1;
if ( mouse_y >= YRES ) {
mouse_y = YRES-1;
}
}
if (( k & MASK_JOY1_BTN) || ( k & MASK_JOY2_BTN)) {
mouseb1 |= 1;
}
else {
mouseb1 &=~1;
}
if (( k & MASK_KEY_USER1)) {
mouseb2 |= 1;
}
else {
mouseb2 &=~1;
}
}
if ( (prev_mouse_x != mouse_x) | (prev_mouse_y != mouse_y) ) {
IkbdMouseMotion ( mouse_x, mouse_y );
IkbdLoop();
prev_mouse_x = mouse_x;
prev_mouse_y = mouse_y;
}
if ( (mouseb1 != prev_mouseb1) ){
if (mouseb1) {
IkbdMousePress(2);
//emu_printf("b1p");
}
else {
IkbdMouseRelease(2);
//emu_printf("b1r");
}
IkbdLoop();
prev_mouseb1 = mouseb1;
}
if ( (mouseb2 != prev_mouseb2) ){
if (mouseb2) {
IkbdMousePress(1);
//emu_printf("b2p");
}
else {
IkbdMouseRelease(1);
//emu_printf("b2r");
}
IkbdLoop();
prev_mouseb2 = mouseb2;
}
}
void ast_Step(void)
{
int delay_fdc_motor=0;
unsigned long cycleco=0;
unsigned long oldpend,newpend;
hsync=0;
hbl=0;
vsyncpend=0;
hsyncpend=0;
int running = 1;
/* Event loop */
while (running)
{
cycleco=cpu_loop(cyclenext);
cycleco+=waitstate;
waitstate=0;
#ifndef NO_SOUND
SoundCycles+=cycleco;
#endif
//MFP timer A delay mode
if (mfp_ascale>1) {
mfp_acount-=mfp_ascale*cycleco;
if (mfp_acount<=0) {
do {mfp_acount+=mfp_tadr;} while (mfp_acount<=0);
oldpend=mfp_ipra; newpend=(oldpend|0x20)&mfp_iera;
if (newpend!=oldpend) {mfp_ipra=newpend;
}
}
#ifdef USE_SHORT_SLICE
cyclenext=4+(mfp_acount/mfp_ascale);
#endif
}
#ifdef USE_SHORT_SLICE
else
cyclenext=512;
#endif
//MFP timer B delay mode
if (mfp_bscale>1) {
mfp_bcount-=mfp_bscale*cycleco;
if (mfp_bcount<=0) {
do {mfp_bcount+=mfp_tbdr;} while (mfp_bcount<=0);
oldpend=mfp_ipra; newpend=(oldpend|0x1)&mfp_iera;
if (newpend!=oldpend) {mfp_ipra=newpend;
}
}
#ifdef USE_SHORT_SLICE
{
int n=4+(mfp_bcount/mfp_bscale);
if (n<cyclenext)
cyclenext=n;
}
#endif
}
//MFP timer C delay mode
if (mfp_cscale>1) {
mfp_ccount-=mfp_cscale*cycleco;
if (mfp_ccount<=0) {
do {mfp_ccount+=mfp_tcdr;} while (mfp_ccount<=0);
oldpend=mfp_iprb; newpend=(oldpend|0x20)&mfp_ierb;
if (newpend!=oldpend) {mfp_iprb=newpend;
}
}
#ifdef USE_SHORT_SLICE
{
int n=4+(mfp_ccount/mfp_cscale);
if (n<cyclenext)
cyclenext=n;
}
#endif
}
//MFP timer D delay mode
if (mfp_dscale>1) {
mfp_dcount-=mfp_dscale*cycleco;
if (mfp_dcount<=0) {
do {mfp_dcount+=mfp_tddr;} while (mfp_dcount<=0);
oldpend=mfp_iprb; newpend=(oldpend|0x10)&mfp_ierb;
if (newpend!=oldpend) {mfp_iprb=newpend;
}
}
#ifdef USE_SHORT_SLICE
{
int n=4+(mfp_dcount/mfp_dscale);
if (n<cyclenext)
cyclenext=n;
}
#endif
}
vid_adr+=(cycleco)&(~3);
//Count hbls
hsync-=cycleco;
if (hsync<=0) {
hbl++; hsync+=512;
//Generate hbl interrupt
Interrupt(AUTOINT2, 2);
//Trigger event counters for visible scan-lines
if (hbl<64) {
vid_adr=(vid_baseh<<16)+(vid_basem<<8);
}
else if (hbl<264) {
if ( (hbl == 132 )) {
// if ( (hbl % (end_visible_screen/2) ) == 0) {
//CPUEvent();
//timer_tick = 1;
}
//Do IO every 64 hbls
if (!(hbl&63)) {
//Generate FDC interrupt in mfp?
if (!(mfp_gpip & 0x20)) {
mfp_iprb |= 0x80;
mfp_iprb &= mfp_ierb;
}
//Generate ACIA interrupt in mfp?
IkbdWriteBuffer();
if (!(mfp_gpip & 0x10)) {
mfp_iprb |= 0x40;
mfp_iprb &= mfp_ierb;
}
}
if (emu_FrameSkip() == 0 ) {
//Update video address and draw screen line
vid_adr=(vid_baseh<<16)+(vid_basem<<8)+(hbl-64)*160;
if (vid_shiftmode==MONO) {
Redraw16_hi( hbl - 64, vid_adr );
}
else if (vid_shiftmode==COL2) {
Redraw16_med( hbl - 64, vid_adr );
} else {
Redraw16( hbl - 64, vid_adr );
}
}
//Timer-A event count mode
if (mfp_ascale==1) {
mfp_acount-=1048576;
if (mfp_acount<=0) {
mfp_acount=mfp_tadr;
oldpend=mfp_ipra; newpend=(oldpend|0x20)&mfp_iera;
if (newpend!=oldpend) {mfp_ipra=newpend;
}
}
}
//Timer-B event count mode
if (mfp_bscale==1) {
mfp_bcount-=1048576;
if (mfp_bcount<=0) {
mfp_bcount=mfp_tbdr;
oldpend=mfp_ipra; newpend=(oldpend|0x1)&mfp_iera;
if (newpend!=oldpend) {mfp_ipra=newpend;
}
}
}
}
//Vertical blank?
else if (hbl>=313)
{
emu_DrawVsync();
do_events();
#ifndef NO_SOUND
Sound_Update_VBL();
#endif
running=0;
hbl=0;
//Generate vsync interrupt
Interrupt(AUTOINT4, 4);
//Do fdc spinup
if (fdc_motor){
if (delay_fdc_motor>150) {
fdc_status &= ~0x80;
delay_fdc_motor=0;
fdc_motor=0;
}
else delay_fdc_motor++;
}
}
}
//Recalculate interrupts?
{
if (6>GetI()) {
//Mfp interrupt
{
int number;
uint16 imr, ipr, isr, irr;
int in_request;
//Find in_request and in_service
imr = (mfp_imra<<8)+mfp_imrb;
ipr = (mfp_ipra<<8)+mfp_iprb;
irr = imr & ipr;
isr = (mfp_isra<<8) + mfp_isrb;
//in_request higher than in_service?
if (irr>isr) {
//Find highest set bit
for (in_request = 15; in_request > 0; in_request--) {
if (irr & 0x8000) break;
irr <<= 1;
}
isr = 1 << in_request;
//Set interrupt in service bits in MFP
if (mfp_ivr & 0x8) {
mfp_isra |= isr >> 8;
mfp_isrb |= isr;
}else{
mfp_isra &= (~isr) >> 8;
mfp_isrb &= ~isr;
}
//Clear interrupt pending bits in MFP
mfp_ipra &= ~(isr >> 8);
mfp_iprb &= ~isr;
//Pass interrupt to cpu
number = in_request | (mfp_ivr & 0xf0);
Interrupt(number, 6);
}
}
}
}
}
}
void ast_Start(char * floppy1, char * floppy2, int mode)
{
if (mode) display_mode = MONO;
emu_printf("init started");
strncpy (disk[0].name, floppy1, strlen(floppy1));
strncpy (disk[1].name, floppy2, strlen(floppy2));
initialize_memmap();
FDCInit(0);
FDCInit(1);
//FDCeject(0);
//FDCeject(1);
IkbdReset();
IOInit();
#ifdef HAS_SND
emu_sndInit();
#endif
#ifndef NO_SOUND
#ifdef HAS_SND
Sound_Init();
#endif
#endif
HWReset(); /* CPU Reset */
emu_printf("init done");
}
void SND_Process(void *stream, int len) {
#ifndef NO_SOUND
#ifdef HAS_SND
Sound_UpdateFromCallBack16((short *)stream, len);
#endif
#endif
}