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activegs-ios/kegs/Src/adb.cpp

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/*
ActiveGS, Copyright 2004-2016 Olivier Goguel, https://github.com/ogoguel/ActiveGS
Based on Kegs, Copyright 2004 Kent Dickey, https://kegs.sourceforge.net
This code is covered by the GNU GPL licence
*/
#include "adb.h"
#include "moremem.h"
#include "paddles.h"
#include "sim65816.h"
#include "video.h"
#include "iwm.h"
#include "config.h"
#include "async_event.h"
#include "driver.h"
s_adb g_adb;
#define SHIFT_DOWN ( (g_adb.g_c025_val & 0x01) )
#define CTRL_DOWN ( (g_adb.g_c025_val & 0x02) )
#define CAPS_LOCK_DOWN ( (g_adb.g_c025_val & 0x04) )
#define OPTION_DOWN ( (g_adb.g_c025_val & 0x40) )
#define CMD_DOWN ( (g_adb.g_c025_val & 0x80) )
#define adb_print printf
/* Format: a2code, ascii if no shift, ascii if shift, ascii if ctl */
const int a2_key_to_ascii[][4] =
{
{ 0x00, 'a', 'A', 0x01 },
{ 0x01, 's', 'S', 0x13 },
{ 0x02, 'd', 'D', 0x04 },
{ 0x03, 'f', 'F', 0x06 },
{ 0x04, 'h', 'H', 0x08 },
{ 0x05, 'g', 'G', 0x07 },
{ 0x06, 'z', 'Z', 0x1a },
{ 0x07, 'x', 'X', 0x18 },
{ 0x08, 'c', 'C', 0x03 },
{ 0x09, 'v', 'V', 0x16 },
{ 0x0a, -1, -1, -1 },
{ 0x0b, 'b', 'B', 0x02 },
{ 0x0c, 'q', 'Q', 0x11 },
{ 0x0d, 'w', 'W', 0x17 },
{ 0x0e, 'e', 'E', 0x05 },
{ 0x0f, 'r', 'R', 0x12 },
{ 0x10, 'y', 'Y', 0x19 },
{ 0x11, 't', 'T', 0x14 },
{ 0x12, '1', '!', -1 },
{ 0x13, '2', '@', 0x00 },
{ 0x14, '3', '#', -1 },
{ 0x15, '4', '$', -1 },
{ 0x16, '6', '^', 0x1e },
{ 0x17, '5', '%', -1 },
{ 0x18, '=', '+', -1 },
{ 0x19, '9', '(', -1 },
{ 0x1a, '7', '&', -1 },
{ 0x1b, '-', '_', 0x1f },
{ 0x1c, '8', '*', -1 },
{ 0x1d, '0', ')', -1 },
{ 0x1e, ']', '}', 0x1d },
{ 0x1f, 'o', 'O', 0x0f },
{ 0x20, 'u', 'U', 0x15 },
{ 0x21, '[', '{', 0x1b },
{ 0x22, 'i', 'I', 0x09 },
{ 0x23, 'p', 'P', 0x10 },
{ 0x24, 0x0d, 0x0d, -1 }, /* return */
{ 0x25, 'l', 'L', 0x0c },
{ 0x26, 'j', 'J', 0x0a },
{ 0x27, 0x27, '"', -1 }, /* single quote */
{ 0x28, 'k', 'K', 0x0b },
{ 0x29, ';', ':', -1 },
{ 0x2a, 0x5c, '|', 0x1c }, /* \, | */
{ 0x2b, ',', '<', -1 },
{ 0x2c, '/', '?', 0x7f },
{ 0x2d, 'n', 'N', 0x0e },
{ 0x2e, 'm', 'M', 0x0d },
{ 0x2f, '.', '>', -1 },
{ 0x30, 0x09, 0x09, -1 }, /* tab */
{ 0x31, ' ', ' ', -1 },
{ 0x32, '`', '~', -1 },
{ 0x33, 0x7f, 0x7f, -1 }, /* Delete */
{ 0x34, -1, -1, -1 },
{ 0x35, 0x1b, 0x1b, -1 }, /* Esc */
{ 0x36, 0x0200, 0x0200, -1 }, /* control */
{ 0x37, 0x8000, 0x8000, -1 }, /* Command */
{ 0x38, 0x0100, 0x0100, -1 }, /* shift */
{ 0x39, 0x0400, 0x0400, -1 }, /* caps lock */
{ 0x3a, 0x4000, 0x4000, -1 }, /* Option */
{ 0x3b, 0x08, 0x08, -1 }, /* left */
{ 0x3c, 0x15, 0x15, -1 }, /* right */
{ 0x3d, 0x0a, 0x0a, -1 }, /* down */
{ 0x3e, 0x0b, 0x0b, -1 }, /* up arrow */
{ 0x3f, -1, -1, -1 },
{ 0x40, -1, -1, -1 },
{ 0x41, 0x102e, 0x102c, -1 }, /* keypad . */
{ 0x42, -1, -1, -1 },
{ 0x43, 0x102a, 0x102a, -1 }, /* keypad * */
{ 0x44, -1, -1, -1 },
{ 0x45, 0x102b, 0x102b, -1 }, /* keypad + */
{ 0x46, -1, -1, -1 },
{ 0x47, 0x1018, 0x1018, -1 }, /* keypad Clear */
{ 0x48, -1, -1, -1 },
{ 0x49, -1, -1, -1 },
{ 0x4a, -1, -1, -1 },
{ 0x4b, 0x102f, 0x102f, -1 }, /* keypad / */
{ 0x4c, 0x100d, 0x100d, -1 }, /* keypad enter */
{ 0x4d, -1, -1, -1 },
{ 0x4e, 0x102d, 0x102d, -1 }, /* keypad - */
{ 0x4f, -1, -1, -1 },
{ 0x50, -1, -1, -1 },
{ 0x51, 0x103d, 0x103d, -1 }, /* keypad = */
{ 0x52, 0x1030, 0x1030, -1 }, /* keypad 0 */
{ 0x53, 0x1031, 0x1031, -1 }, /* keypad 1 */
{ 0x54, 0x1032, 0x1032, -1 }, /* keypad 2 */
{ 0x55, 0x1033, 0x1033, -1 }, /* keypad 3 */
{ 0x56, 0x1034, 0x1034, -1 }, /* keypad 4 */
{ 0x57, 0x1035, 0x1035, -1 }, /* keypad 5 */
{ 0x58, 0x1036, 0x1036, -1 }, /* keypad 6 */
{ 0x59, 0x1037, 0x1037, -1 }, /* keypad 7 */
{ 0x5a, 'a', 'A', 0x01 }, /* probably not necessary */
{ 0x5b, 0x1038, 0x1038, -1 }, /* keypad 8 */
{ 0x5c, 0x1039, 0x1039, -1 }, /* keypad 9 */
{ 0x5d, -1, -1, -1 },
{ 0x5e, -1, -1, -1 },
{ 0x5f, -1, -1, -1 },
{ 0x60, 0x8005, 0x1060, -1 }, /* F5 */
{ 0x61, 0x8006, 0x1061, -1 }, /* F6 */
{ 0x62, 0x8007, 0x1062, -1 }, /* F7 */
{ 0x63, 0x8003, 0x1063, -1 }, /* F3 */
{ 0x64, 0x8008, 0x1064, -1 }, /* F8 */
{ 0x65, 0x8009, 0x1065, -1 }, /* F9 */
{ 0x66, -1, -1, -1 },
{ 0x67, 0x800b, 0x1067, -1 }, /* F11 */
{ 0x68, -1, -1, -1 },
// { 0x69, 0x800d, 0x1069, -1 }, /* F13 */
// OG remap F13 to reset
{ 0x69, 0x800c, 0x1069, -1 }, /* F13 */
{ 0x6a, -1, -1, -1 },
{ 0x6b, 0x800e, 0x106b, -1 }, /* F14 */
{ 0x6c, -1, -1, -1 },
{ 0x6d, 0x800a, 0x106d, -1 }, /* F10 */
{ 0x6e, 0x4000, 0x4000, -1 }, /* windows key alias to option */
{ 0x6f, 0x800c, 0x106f, -1 }, /* F12 */
{ 0x70, -1, -1, -1 },
{ 0x71, 0x800f, 0x1071, -1 }, /* F15 */
{ 0x72, 0x1072, 0x1072, -1 }, /* Help, insert */
{ 0x73, 0x1073, 0x1073, -1 }, /* Home */
{ 0x74, 0x1074, 0x1074, -1 }, /* Page up */
{ 0x75, 0x1075, 0x1075, -1 }, /* keypad delete */
{ 0x76, 0x8004, 0x1076, -1 }, /* F4 */
{ 0x77, 0x1077, 0x1077, -1 }, /* keypad end */
{ 0x78, 0x8002, 0x1078, -1 }, /* F2 */
{ 0x79, 0x1079, 0x1079, -1 }, /* keypad page down */
{ 0x7a, 0x8001, 0x107a, -1 }, /* F1 */
{ 0x7b, 0x08, 0x08, -1 }, /* left */ /* remapped to 0x3b */
{ 0x7c, 0x15, 0x15, -1 }, /* right */ /* remapped to 0x3c */
{ 0x7d, 0x0a, 0x0a, -1 }, /* down */ /* remapped to 0x3d */
{ 0x7e, 0x0b, 0x0b, -1 }, /* up arrow */ /* remapped to 0x3e */
{ 0x7f, -1, -1, -1 } /* Reset */
};
//extern int g_num_lines_prev_superhires640;
//extern int g_num_lines_prev_superhires;
//extern int g_fast_disk_emul;
extern int g_swap_paddles;
extern int g_invert_paddles;
extern int g_joystick_type;
//extern int g_a2vid_palette;
extern int g_config_control_panel;
extern word32 g_cfg_vbl_count;
void
adb_init()
{
int keycode;
int i;
if(g_adb.g_adb_init) {
halt_printf("g_adb.g_adb_init = %d!\n", g_adb.g_adb_init);
}
g_adb.g_adb_init = 1;
for(i = 0; i < 128; i++) {
keycode = a2_key_to_ascii[i][0];
if(keycode != i) {
printf("ADB keycode lost/skipped: i=%x: keycode=%x\n",
i, keycode);
my_exit(1);
}
}
g_adb.g_c025_val = 0;
for(i = 0; i < 4; i++) {
g_adb.g_virtual_key_up[i] = -1;
}
for(i = 0; i < 10; i++) {
g_adb.g_keypad_key_is_down[i] = 0;
}
adb_reset();
}
// OG Added adb_shut()
void adb_shut()
{
g_adb.g_adb_init = 0;
}
void
adb_reset()
{
g_adb.g_c027_val = 0;
g_adb.g_key_down = 0;
g_adb.g_kbd_dev_addr = 2;
g_adb.g_mouse_dev_addr = 3;
g_adb.g_kbd_ctl_addr = 2;
g_adb.g_mouse_ctl_addr = 3;
adb_clear_data_int();
adb_clear_mouse_int();
adb_clear_kbd_srq();
g_adb.g_adb_data_pending = 0;
g_adb.g_adb_interrupt_byte = 0;
g_adb.g_adb_state = ADB_IDLE;
g_adb.g_adb_mouse_coord = 0;
g_adb.g_adb_mouse_valid_data = 0;
g_adb.g_kbd_reg0_pos = 0;
g_adb.g_kbd_reg3_16bit = 0x602;
g_adb.g_last_c027_read = 0;
}
#define LEN_ADB_LOG 16
STRUCT(Adb_log) {
word32 addr;
int val;
int state;
};
Adb_log g_adb_log[LEN_ADB_LOG];
int g_adb_log_pos = 0;
void
adb_log(word32 addr, int val)
{
int pos;
pos = g_adb_log_pos;
g_adb_log[pos].addr = addr;
g_adb_log[pos].val = val;
g_adb_log[pos].state = g_adb.g_adb_state;
pos++;
if(pos >= LEN_ADB_LOG) {
pos = 0;
}
g_adb_log_pos = pos;
}
void
show_adb_log(void)
{
int pos;
int i;
pos = g_adb_log_pos;
printf("ADB log pos: %d\n", pos);
for(i = 0; i < LEN_ADB_LOG; i++) {
pos--;
if(pos < 0) {
pos = LEN_ADB_LOG - 1;
}
printf("%d:%d: addr:%04x = %02x, st:%d\n", i, pos,
g_adb_log[pos].addr, g_adb_log[pos].val,
g_adb_log[pos].state);
}
printf("kbd: dev: %x, ctl: %x; mouse: dev: %x, ctl: %x\n",
g_adb.g_kbd_dev_addr, g_adb.g_kbd_ctl_addr,
g_adb.g_mouse_dev_addr, g_adb.g_mouse_ctl_addr);
printf("g_adb.g_adb_state: %d, g_adb.g_adb_interrupt_byte: %02x\n",
g_adb.g_adb_state, g_adb.g_adb_interrupt_byte);
}
void
adb_error(void)
{
halt_printf("Adb Error\n");
show_adb_log();
}
void
adb_add_kbd_srq()
{
if(g_adb.g_kbd_reg3_16bit & 0x200) {
/* generate SRQ */
g_adb.g_adb_interrupt_byte |= 0x08;
add_irq(IRQ_PENDING_ADB_KBD_SRQ);
} else {
printf("Got keycode but no kbd SRQ!\n");
}
}
void
adb_clear_kbd_srq()
{
remove_irq(IRQ_PENDING_ADB_KBD_SRQ);
/* kbd SRQ's are the only ones to handle now, so just clean it out */
g_adb.g_adb_interrupt_byte &= (~(0x08));
}
void
adb_add_data_int()
{
if(g_adb.g_c027_val & ADB_C027_DATA_INT) {
add_irq(IRQ_PENDING_ADB_DATA);
}
}
void
adb_add_mouse_int()
{
if(g_adb.g_c027_val & ADB_C027_MOUSE_INT) {
add_irq(IRQ_PENDING_ADB_MOUSE);
}
}
void
adb_clear_data_int()
{
remove_irq(IRQ_PENDING_ADB_DATA);
}
void
adb_clear_mouse_int()
{
remove_irq(IRQ_PENDING_ADB_MOUSE);
}
void
adb_send_bytes(int num_bytes, word32 val0, word32 val1, word32 val2)
{
word32 val;
int shift_amount;
int i;
// OG > 12 (instead of >=)
if((num_bytes > 12) || (num_bytes >= MAX_ADB_DATA_PEND)) {
halt_printf("adb_send_bytes: %d is too many!\n", num_bytes);
}
g_adb.g_adb_state = ADB_SENDING_DATA;
g_adb.g_adb_data_pending = num_bytes;
adb_add_data_int();
for(i = 0; i < num_bytes; i++) {
if(i < 4) {
val = val0;
} else if(i < 8) {
val = val1;
} else {
val = val2;
}
shift_amount = 8*(3 - i&3); // OG on ARM processor, shifting with a negative value does not work as expected : added &3
g_adb.g_adb_data[i] = (val >> shift_amount) & 0xff;
adb_printf("adb_send_bytes[%d] = %02x\n", i, g_adb.g_adb_data[i]);
}
}
void
adb_send_1byte(word32 val)
{
if(g_adb.g_adb_data_pending != 0) {
halt_printf("g_adb.g_adb_data_pending: %d\n", g_adb.g_adb_data_pending);
}
adb_send_bytes(1, val << 24, 0, 0);
}
void
adb_response_packet(int num_bytes, word32 val)
{
if(g_adb.g_adb_data_pending != 0) {
halt_printf("adb_response_packet, but pending: %d\n",
g_adb.g_adb_data_pending);
}
g_adb.g_adb_state = ADB_IDLE;
g_adb.g_adb_data_pending = num_bytes;
g_adb.g_adb_data[0] = val & 0xff;
g_adb.g_adb_data[1] = (val >> 8) & 0xff;
g_adb.g_adb_data[2] = (val >> 16) & 0xff;
g_adb.g_adb_data[3] = (val >> 24) & 0xff;
if(num_bytes) {
g_adb.g_adb_interrupt_byte |= 0x80 + num_bytes - 1;
} else {
g_adb.g_adb_interrupt_byte |= 0x80;
}
adb_printf("adb_response packet: %d: %08x\n",
num_bytes, val);
adb_add_data_int();
}
void
adb_kbd_reg0_data(int a2code, int is_up)
{
if(g_adb.g_kbd_reg0_pos >= MAX_ADB_KBD_REG3) {
/* too many keys, toss */
halt_printf("Had to toss key: %02x, %d\n", a2code, is_up);
return;
}
g_adb.g_kbd_reg0_data[g_adb.g_kbd_reg0_pos] = a2code + (is_up << 7);
adb_printf("g_adb.g_kbd_reg0_data[%d] = %02x\n", g_adb.g_kbd_reg0_pos,
g_adb.g_kbd_reg0_data[g_adb.g_kbd_reg0_pos]);
g_adb.g_kbd_reg0_pos++;
adb_add_kbd_srq();
}
void
adb_kbd_talk_reg0()
{
word32 val0, val1;
word32 reg;
int num_bytes;
int num;
int i;
num = 0;
val0 = g_adb.g_kbd_reg0_data[0];
val1 = g_adb.g_kbd_reg0_data[1];
num_bytes = 0;
if(g_adb.g_kbd_reg0_pos > 0) {
num_bytes = 2;
num = 1;
if((val0 & 0x7f) == 0x7f) {
/* reset */
val1 = val0;
} else if(g_adb.g_kbd_reg0_pos > 1) {
num = 2;
if((val1 & 0x7f) == 0x7f) {
/* If first byte some other key, don't */
/* put RESET next! */
num = 1;
val1 = 0xff;
}
} else {
val1 = 0xff;
}
}
if(num) {
for(i = num; i < g_adb.g_kbd_reg0_pos; i++) {
g_adb.g_kbd_reg0_data[i-1] = g_adb.g_kbd_reg0_data[i];
}
g_adb.g_kbd_reg0_pos -= num;
}
reg = (val0 << 8) + val1;
adb_printf("adb_kbd_talk0: %04x\n", reg);
adb_response_packet(num_bytes, reg);
if(g_adb.g_kbd_reg0_pos == 0) {
adb_clear_kbd_srq();
}
}
void
adb_set_config(word32 val0, word32 val1, word32 val2)
{
int new_mouse;
int new_kbd;
int tmp1;
new_mouse = val0 >> 4;
new_kbd = val0 & 0xf;
if(new_mouse != g_adb.g_mouse_ctl_addr) {
printf("ADB config: mouse from %x to %x!\n",
g_adb.g_mouse_ctl_addr, new_mouse);
adb_error();
g_adb.g_mouse_ctl_addr = new_mouse;
}
if(new_kbd != g_adb.g_kbd_ctl_addr) {
printf("ADB config: kbd from %x to %x!\n",
g_adb.g_kbd_ctl_addr, new_kbd);
adb_error();
g_adb.g_kbd_ctl_addr = new_kbd;
}
#ifdef VIRTUALAPPLE
#pragma message("to replace with bram adb_repeat_dealy")
#else
tmp1 = val2 >> 4;
if(tmp1 == 4) {
g_adb.g_adb_repeat_delay = 0;
} else if(tmp1 < 4) {
g_adb.g_adb_repeat_delay = (tmp1 + 1) * 15;
} else {
halt_printf("Bad ADB repeat delay: %02x\n", tmp1);
}
#endif
tmp1 = val2 & 0xf;
if(g_sim65816.g_rom_version >= 3) {
tmp1 = 9 - tmp1;
}
#ifndef VIRTUALAPPLE
switch(tmp1) {
case 0:
g_adb.g_adb_repeat_rate = 1;
break;
case 1:
g_adb.g_adb_repeat_rate = 2;
break;
case 2:
g_adb.g_adb_repeat_rate = 3;
break;
case 3:
g_adb.g_adb_repeat_rate = 3;
break;
case 4:
g_adb.g_adb_repeat_rate = 4;
break;
case 5:
g_adb.g_adb_repeat_rate = 5;
break;
case 6:
g_adb.g_adb_repeat_rate = 7;
break;
case 7:
g_adb.g_adb_repeat_rate = 15;
break;
case 8:
/* I don't know what this should be, ROM 03 uses it */
g_adb.g_adb_repeat_rate = 30;
break;
case 9:
/* I don't know what this should be, ROM 03 uses it */
g_adb.g_adb_repeat_rate = 60;
break;
default:
halt_printf("Bad repeat rate: %02x\n", tmp1);
}
#endif
}
void
adb_set_new_mode(word32 val)
{
if(val & 0x03) {
printf("Disabling keyboard/mouse:%02x!\n", val);
}
if(val & 0xa2) {
halt_printf("ADB set mode: %02x!\n", val);
adb_error();
}
g_adb.g_adb_mode = val;
}
int
adb_read_c026()
{
word32 ret;
int i;
ret = 0;
switch(g_adb.g_adb_state) {
case ADB_IDLE:
ret = g_adb.g_adb_interrupt_byte;
g_adb.g_adb_interrupt_byte = 0;
if(g_moremem.g_irq_pending & IRQ_PENDING_ADB_KBD_SRQ) {
g_adb.g_adb_interrupt_byte |= 0x08;
}
if(g_adb.g_adb_data_pending == 0) {
if(ret & 0x80) {
/*halt_*/printf("read_c026: ret:%02x, pend:%d\n",
ret, g_adb.g_adb_data_pending);
}
adb_clear_data_int();
}
if(g_adb.g_adb_data_pending) {
if(g_adb.g_adb_state != ADB_IN_CMD) {
g_adb.g_adb_state = ADB_SENDING_DATA;
}
}
break;
case ADB_IN_CMD:
ret = 0;
break;
case ADB_SENDING_DATA:
ret = g_adb.g_adb_data[0];
for(i = 1; i < g_adb.g_adb_data_pending; i++) {
g_adb.g_adb_data[i-1] = g_adb.g_adb_data[i];
}
g_adb.g_adb_data_pending--;
if(g_adb.g_adb_data_pending <= 0) {
g_adb.g_adb_data_pending = 0;
g_adb.g_adb_state = ADB_IDLE;
adb_clear_data_int();
}
break;
default:
halt_printf("Bad ADB state: %d!\n", g_adb.g_adb_state);
adb_clear_data_int();
break;
}
adb_printf("Reading c026. Returning %02x, st: %02x, pend: %d\n",
ret, g_adb.g_adb_state, g_adb.g_adb_data_pending);
adb_log(0xc026, ret);
return (ret & 0xff);
}
void
adb_write_c026(int val)
{
word32 tmp;
int dev;
adb_printf("Writing c026 with %02x\n", val);
adb_log(0x1c026, val);
switch(g_adb.g_adb_state) {
case ADB_IDLE:
g_adb.g_adb_cmd = val;
g_adb.g_adb_cmd_so_far = 0;
g_adb.g_adb_cmd_len = 0;
dev = val & 0xf;
switch(val) {
case 0x01: /* Abort */
adb_printf("Performing adb abort\n");
/* adb_abort() */
break;
case 0x03: /* Flush keyboard buffer */
adb_printf("Flushing adb keyboard buffer\n");
/* Do nothing */
break;
case 0x04: /* Set modes */
adb_printf("ADB set modes\n");
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 1;
break;
case 0x05: /* Clear modes */
adb_printf("ADB clear modes\n");
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 1;
break;
case 0x06: /* Set config */
adb_printf("ADB set config\n");
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 3;
break;
case 0x07: /* Sync */
adb_printf("Performing sync cmd!\n");
g_adb.g_adb_state = ADB_IN_CMD;
if(g_sim65816.g_rom_version == 1) {
g_adb.g_adb_cmd_len = 4;
} else {
g_adb.g_adb_cmd_len = 8;
}
break;
case 0x08: /* Write mem */
adb_printf("Starting write_mem cmd\n");
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 2;
break;
case 0x09: /* Read mem */
adb_printf("Performing read_mem cmd!\n");
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 2;
break;
case 0x0a: /* Read modes byte */
printf("Performing read_modes cmd!\n");
/* set_halt(1); */
adb_send_1byte(g_adb.g_adb_mode);
break;
case 0x0b: /* Read config bytes */
printf("Performing read_configs cmd!\n");
tmp = (g_adb.g_mouse_ctl_addr << 20) +
(g_adb.g_kbd_ctl_addr << 16) +
(g_adb.g_adb_char_set << 12) +
(g_adb.g_adb_layout_lang << 8) +
(g_adb.g_adb_repeat_info << 0);
tmp = (0x82U << 24) + tmp;
adb_send_bytes(4, tmp, 0, 0);
break;
case 0x0d: /* Get Version */
adb_printf("Performing get_version cmd!\n");
val = 0;
if(g_sim65816.g_rom_version == 1) {
/* ROM 01 = revision 5 */
val = 5;
} else {
/* ROM 03 checks for rev >= 6 */
val = 6;
}
adb_send_1byte(val);
break;
/*
Patch borrowed from 03
OG Patch ADB Read for Keyboard & Language support
Just read the value for the micro controler once, and fill counter + series
(instead of reading the value for every time)
@100 EQU *
LDY #$0000 ;Index to batteryram buffer
LDA #$0A ;Keyboard layout counts
@101 STA |LAYOUTS,Y ;Store to buffer
TYA ;Prepare for next store
CMP |LAYOUTS ;check for end
INY ;Index to next
BCC @101 ;loop till end
*/
case 0x0e: /* Read avail char sets */
adb_printf("Performing read avail char sets cmd!\n");
// OG : Invert byte => should be taken care by endianness?
// OG : All the indexes must also be sent
adb_send_bytes(10, // 2 for the index, + 8 for the serie
0x00080001,
0x02030405,
0x06070000);
/*
adb_send_bytes(2, // just 2 bytes
0x08000000, // number of ch sets=0x8
0, 0);
*/
// set_halt(1);
break;
case 0x0f: /* Read avail kbd layouts */
adb_printf("Performing read avail kbd layouts cmd!\n");
// OG : Invert byte => should be taken care by endianness?
// OG : All the indexes must also be sent
adb_send_bytes(12, // 2 for the index, + 10 for the serie
0x000A0001,
0x02030405,
0x06070809);
/*
adb_send_bytes(0x2, // number of kbd layouts=0xa
0x0a000000, 0, 0);
*/
// set_halt(1);
break;
case 0x10: /* Reset */
printf("ADB reset, cmd 0x10\n");
do_reset();
break;
case 0x11: /* Send ADB keycodes */
adb_printf("Sending ADB keycodes\n");
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 1;
break;
case 0x12: /* ADB cmd 12: ROM 03 only! */
if(g_sim65816.g_rom_version >= 3) {
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 2;
} else {
printf("ADB cmd 12, but not ROM 3!\n");
adb_error();
}
break;
case 0x13: /* ADB cmd 13: ROM 03 only! */
if(g_sim65816.g_rom_version >= 3) {
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 2;
} else {
printf("ADB cmd 13, but not ROM 3!\n");
adb_error();
}
break;
case 0x73: /* Disable SRQ device 3: mouse */
adb_printf("Disabling Mouse SRQ's (device 3)\n");
/* HACK HACK...should deal with SRQs on mouse */
break;
case 0xb0: case 0xb1: case 0xb2: case 0xb3:
case 0xb4: case 0xb5: case 0xb6: case 0xb7:
case 0xb8: case 0xb9: case 0xba: case 0xbb:
case 0xbc: case 0xbd: case 0xbe: case 0xbf:
/* Listen dev x reg 3 */
adb_printf("Sending data to dev %x reg 3\n", dev);
g_adb.g_adb_state = ADB_IN_CMD;
g_adb.g_adb_cmd_len = 2;
break;
case 0xc0: case 0xc1: case 0xc2: case 0xc3:
case 0xc4: case 0xc5: case 0xc6: case 0xc7:
case 0xc8: case 0xc9: case 0xca: case 0xcb:
case 0xcc: case 0xcd: case 0xce: case 0xcf:
/* Talk dev x reg 0 */
adb_printf("Performing talk dev %x reg 0\n", dev);
if(dev == g_adb.g_kbd_dev_addr) {
adb_kbd_talk_reg0();
} else {
printf("Unknown talk dev %x reg 0!\n", dev);
/* send no data, on SRQ, system polls devs */
/* so we don't want to send anything */
adb_error();
}
break;
case 0xf0: case 0xf1: case 0xf2: case 0xf3:
case 0xf4: case 0xf5: case 0xf6: case 0xf7:
case 0xf8: case 0xf9: case 0xfa: case 0xfb:
case 0xfc: case 0xfd: case 0xfe: case 0xff:
/* Talk dev x reg 3 */
adb_printf("Performing talk dev %x reg 3\n", dev);
if(dev == g_adb.g_kbd_dev_addr) {
adb_response_packet(2, g_adb.g_kbd_reg3_16bit);
} else {
printf("Performing talk dev %x reg 3!!\n", dev);
adb_error();
}
break;
default:
/* The Gog's says ACS Demo 2 has a bug and writes to */
/* c026 */
// OG
if (val==0x84)
printf("ACS Demo2 (3: Colum& Music scroll) : discarding unknown controller command\n");
else
halt_printf("ADB ucontroller cmd %02x unknown!\n", val);
break;
}
break;
case ADB_IN_CMD:
adb_printf("Setting byte %d of cmd %02x to %02x\n",
g_adb.g_adb_cmd_so_far, g_adb.g_adb_cmd, val);
g_adb.g_adb_cmd_data[g_adb.g_adb_cmd_so_far] = val;
g_adb.g_adb_cmd_so_far++;
if(g_adb.g_adb_cmd_so_far >= g_adb.g_adb_cmd_len) {
adb_printf("Finished cmd %02x\n", g_adb.g_adb_cmd);
do_adb_cmd();
}
break;
default:
printf("adb_state: %02x is unknown! Setting it to ADB_IDLE\n",
g_adb.g_adb_state);
g_adb.g_adb_state = ADB_IDLE;
adb_error();
g_adb.halt_on_all_c027 = 1;
break;
}
return;
}
void
do_adb_cmd()
{
int dev;
int new_kbd;
int addr;
int val;
dev = g_adb.g_adb_cmd & 0xf;
g_adb.g_adb_state = ADB_IDLE;
switch(g_adb.g_adb_cmd) {
case 0x04: /* Set modes */
adb_printf("Performing ADB set mode: OR'ing in %02x\n",
g_adb.g_adb_cmd_data[0]);
val = g_adb.g_adb_cmd_data[0] | g_adb.g_adb_mode;
adb_set_new_mode(val);
break;
case 0x05: /* clear modes */
adb_printf("Performing ADB clear mode: AND'ing in ~%02x\n",
g_adb.g_adb_cmd_data[0]);
val = g_adb.g_adb_cmd_data[0];
val = g_adb.g_adb_mode & (~val);
adb_set_new_mode(val);
break;
case 0x06: /* Set config */
adb_printf("Set ADB config to %02x %02x %02x\n",
g_adb.g_adb_cmd_data[0], g_adb.g_adb_cmd_data[1],g_adb.g_adb_cmd_data[2]);
adb_set_config(g_adb.g_adb_cmd_data[0], g_adb.g_adb_cmd_data[1],
g_adb.g_adb_cmd_data[2]);
break;
case 0x07: /* SYNC */
adb_printf("Performing ADB SYNC\n");
adb_printf("data: %02x %02x %02x %02x\n",
g_adb.g_adb_cmd_data[0], g_adb.g_adb_cmd_data[1], g_adb.g_adb_cmd_data[2],
g_adb.g_adb_cmd_data[3]);
adb_set_new_mode(g_adb.g_adb_cmd_data[0]);
adb_set_config(g_adb.g_adb_cmd_data[1], g_adb.g_adb_cmd_data[2],
g_adb.g_adb_cmd_data[3]);
if(g_sim65816.g_rom_version >= 3) {
adb_printf(" and cmd12:%02x %02x cmd13:%02x %02x\n",
g_adb.g_adb_cmd_data[4], g_adb.g_adb_cmd_data[5],
g_adb.g_adb_cmd_data[6], g_adb.g_adb_cmd_data[7]);
}
break;
case 0x08: /* Write mem */
addr = g_adb.g_adb_cmd_data[0];
val = g_adb.g_adb_cmd_data[1];
write_adb_ram(addr, val);
break;
case 0x09: /* Read mem */
addr = (g_adb.g_adb_cmd_data[1] << 8) + g_adb.g_adb_cmd_data[0];
adb_printf("Performing mem read to addr %04x\n", addr);
adb_send_1byte(read_adb_ram(addr));
break;
case 0x11: /* Send ADB keycodes */
val = g_adb.g_adb_cmd_data[0];
adb_printf("Performing send ADB keycodes: %02x\n", val);
adb_virtual_key_update(val & 0x7f, val >> 7);
break;
case 0x12: /* ADB cmd12 */
adb_printf("Performing ADB cmd 12\n");
adb_printf("data: %02x %02x\n", g_adb.g_adb_cmd_data[0],
g_adb.g_adb_cmd_data[1]);
break;
case 0x13: /* ADB cmd13 */
adb_printf("Performing ADB cmd 13\n");
adb_printf("data: %02x %02x\n", g_adb.g_adb_cmd_data[0],
g_adb.g_adb_cmd_data[1]);
break;
case 0xb0: case 0xb1: case 0xb2: case 0xb3:
case 0xb4: case 0xb5: case 0xb6: case 0xb7:
case 0xb8: case 0xb9: case 0xba: case 0xbb:
case 0xbc: case 0xbd: case 0xbe: case 0xbf:
/* Listen dev x reg 3 */
if(dev == g_adb.g_kbd_dev_addr) {
if(g_adb.g_adb_cmd_data[1] == 0xfe) {
/* change keyboard addr? */
new_kbd = g_adb.g_adb_cmd_data[0] & 0xf;
if(new_kbd != dev) {
printf("Moving kbd to dev %x!\n",
new_kbd);
adb_error();
}
g_adb.g_kbd_dev_addr = new_kbd;
} else if(g_adb.g_adb_cmd_data[1] != 1) {
/* see what new device handler id is */
printf("KBD listen to dev %x reg 3: 1:%02x\n",
dev, g_adb.g_adb_cmd_data[1]);
adb_error();
}
if(g_adb.g_adb_cmd_data[0] != (word32)g_adb.g_kbd_dev_addr) {
/* see if app is trying to change addr */
printf("KBD listen to dev %x reg 3: 0:%02x!\n",
dev, g_adb.g_adb_cmd_data[0]);
adb_error();
}
g_adb.g_kbd_reg3_16bit = ((g_adb.g_adb_cmd_data[0] & 0xf) << 12) +
(g_adb.g_kbd_reg3_16bit & 0x0fff);
} else if(dev == g_adb.g_mouse_dev_addr) {
if(g_adb.g_adb_cmd_data[0] != (word32)dev) {
/* see if app is trying to change mouse addr */
printf("MOUS listen to dev %x reg3: 0:%02x!\n",
dev, g_adb.g_adb_cmd_data[0]);
adb_error();
}
if(g_adb.g_adb_cmd_data[1] != 1 && g_adb.g_adb_cmd_data[1] != 2) {
/* see what new device handler id is */
printf("MOUS listen to dev %x reg 3: 1:%02x\n",
dev, g_adb.g_adb_cmd_data[1]);
adb_error();
}
} else {
printf("Listen cmd to dev %x reg3????\n", dev);
printf("data0: %02x, data1: %02x ????\n",
g_adb.g_adb_cmd_data[0], g_adb.g_adb_cmd_data[1]);
adb_error();
}
break;
default:
printf("Doing adb_cmd %02x: UNKNOWN!\n", g_adb.g_adb_cmd);
break;
}
}
int
adb_read_c027()
{
word32 ret;
// OG to monitor if mouse is being used!
g_adb.g_last_c027_read = g_sim65816.g_vbl_count;
if(g_adb.halt_on_all_c027) {
halt_printf("halting on all c027 reads!\n");
}
if(g_adb.g_c027_val & (~ADB_C027_NEG_MASK)) {
halt_printf("read_c027: g_adb.g_c027_val: %02x\n", g_adb.g_c027_val);
}
ret = (g_adb.g_c027_val & ADB_C027_NEG_MASK);
if(g_adb.g_adb_mouse_valid_data) {
ret |= ADB_C027_MOUSE_DATA;
}
if(g_adb.g_adb_interrupt_byte != 0) {
ret |= ADB_C027_DATA_VALID;
} else if(g_adb.g_adb_data_pending > 0) {
if((g_adb.g_adb_state != ADB_IN_CMD)) {
ret |= ADB_C027_DATA_VALID;
}
}
if(g_adb.g_adb_mouse_coord) {
ret |= ADB_C027_MOUSE_COORD;
}
#if 0
adb_printf("Read c027: %02x, int_byte: %02x, d_pend: %d\n",
ret, g_adb.g_adb_interrupt_byte, g_adb.g_adb_data_pending);
#endif
#if 0
adb_log(0xc027, ret);
#endif
return ret;
}
void
adb_write_c027(int val)
{
word32 old_val;
word32 new_int;
word32 old_int;
adb_printf("Writing c027 with %02x\n", val);
adb_log(0x1c027, val);
old_val = g_adb.g_c027_val;
g_adb.g_c027_val = (val & ADB_C027_NEG_MASK);
new_int = g_adb.g_c027_val & ADB_C027_MOUSE_INT;
old_int = old_val & ADB_C027_MOUSE_INT;
if(!new_int && old_int) {
adb_clear_mouse_int();
}
new_int = g_adb.g_c027_val & ADB_C027_DATA_INT;
old_int = old_val & ADB_C027_DATA_INT;
if(!new_int && old_int) {
/* ints were on, now off */
adb_clear_data_int();
}
if(g_adb.g_c027_val & ADB_C027_KBD_INT) {
halt_printf("Can't support kbd interrupts!\n");
}
return;
}
int
read_adb_ram(word32 addr)
{
int val;
adb_printf("Reading adb ram addr: %02x\n", addr);
if(addr >= 0x100) {
if(addr >= 0x1000 && addr < 0x2000) {
/* ROM self-test checksum */
if(addr == 0x1400) {
val = 0x72;
} else if(addr == 0x1401) {
val = 0xf7;
} else {
val = 0;
}
} else {
printf("adb ram addr out of range: %04x!\n", addr);
val = 0;
}
} else {
val = g_adb.adb_memory[addr];
if((addr == 0xb) && (g_sim65816.g_rom_version == 1)) {
// read special key state byte for Out of This World
val = (g_adb.g_c025_val >> 1) & 0x43;
val |= (g_adb.g_c025_val << 2) & 0x4;
val |= (g_adb.g_c025_val >> 2) & 0x10;
}
if((addr == 0xc) && (g_sim65816.g_rom_version >= 3)) {
// read special key state byte for Out of This World
val = g_adb.g_c025_val & 0xc7;
printf("val is %02x\n", val);
}
}
adb_printf("adb_ram returning %02x\n", val);
return val;
}
void
write_adb_ram(word32 addr, int val)
{
adb_printf("Writing adb_ram addr: %02x: %02x\n", addr, val);
if(addr >= 0x100) {
printf("write adb_ram addr: %02x: %02x!\n", addr, val);
adb_error();
} else {
g_adb.adb_memory[addr] = val;
}
}
int
adb_get_keypad_xy(int get_y)
{
int x, y;
int key;
int num_keys;
int i, j;
key = 1;
num_keys = 0;
x = 0;
y = 0;
for(i = 0; i < 3; i++) {
for(j = 0; j < 3; j++) {
if(g_adb.g_keypad_key_is_down[key]) {
num_keys++;
x = x + (j - 1)*32768;
y = y + (1 - i)*32768;
}
key++;
}
}
if(num_keys == 0) {
num_keys = 1;
}
adb_printf("get_xy=%d, num_keys: %d, x:%d, y:%d\n", get_y,
num_keys, x, y);
if(get_y) {
return y / num_keys;
} else {
return x / num_keys;
}
}
int is_mouse_used_by_host()
{
return ! (g_adb.g_last_c027_read < ( g_sim65816.g_vbl_count - 60 ) );
}
int
update_mouse(int x, int y, int button_states, int buttons_valid)
{
double dcycs;
int button1_changed;
int mouse_moved;
int unhide;
int pos;
int i;
// printf("Mouse at %d, %d (%d) (%d)\n", x, y, button_states,buttons_valid);
dcycs = g_sim65816.g_cur_dcycs;
g_adb.g_mouse_raw_x = x;
g_adb.g_mouse_raw_y = y;
// OG ignore clamping in warp mode
unhide = 0;
if (g_adb.g_warp_pointer!=WARP_POINTER)
{
if(x < 0) {
x = 0;
unhide = 1;
}
if(x >= 640) {
x = 639;
unhide = 1;
}
if(y < 0) {
y = 0;
unhide = 1;
}
if(y >= 400) {
y = 399;
unhide = 1;
}
}
g_adb.g_unhide_pointer = unhide && (g_adb.g_warp_pointer!=WARP_POINTER);
if(g_adb.g_warp_pointer!=WARP_POINTER)
{
if(g_adb.g_hide_pointer && g_adb.g_unhide_pointer) {
/* cursor has left a2 window, show it */
//OG - Disabling
g_adb.g_hide_pointer = 0;
x_hide_pointer(0);
}
if((g_video.g_num_lines_prev_superhires == 200) &&
(g_video.g_num_lines_prev_superhires640 == 0) &&
((g_slow_memory_ptr[0x19d00] & 0x80) == 0)) {
// In 320-mode superhires, cut mouse range in half
x = x >> 1;
}
y = y >> 1;
}
mouse_compress_fifo(dcycs);
#if 0
printf("Update Mouse called with buttons:%d (state:%d) x,y:%d,%d, fifo:%d,%d, "
" a2: %d,%d\n", buttons_valid,button_states, x, y,
g_adb.g_mouse_fifo[0].x, g_mouse_fifo[0].y,
g_adb.g_mouse_a2_x, g_adb.g_mouse_a2_y);
#endif
if((buttons_valid == -1) &&(g_adb.g_warp_pointer==WARP_POINTER)) {
/* Warping the pointer causes it to jump here...this is not */
/* real motion, just update info and get out */
g_adb.g_mouse_a2_x += (x - g_adb.g_mouse_fifo[0].x);
g_adb.g_mouse_a2_y += (y - g_adb.g_mouse_fifo[0].y);
g_adb.g_mouse_fifo[0].x = x;
g_adb.g_mouse_fifo[0].y = y;
return 0;
}
#if 0
printf("...real move, warp: %d, %d, new x: %d, %d, a2:%d,%d\n",
g_adb.g_mouse_warp_x, g_adb.g_mouse_warp_y, g_adb.g_mouse_fifo[0].x,
g_adb.g_mouse_fifo[0].y, g_adb.g_mouse_a2_x, g_adb.g_mouse_a2_y);
#endif
mouse_moved = (g_adb.g_mouse_fifo[0].x != x) || (g_adb.g_mouse_fifo[0].y != y);
g_adb.g_mouse_a2_x += g_adb.g_mouse_warp_x;
g_adb.g_mouse_a2_y += g_adb.g_mouse_warp_y;
g_adb.g_mouse_fifo[0].x = x;
g_adb.g_mouse_fifo[0].y = y;
g_adb.g_mouse_fifo[0].dcycs = dcycs;
g_adb.g_mouse_warp_x = 0;
g_adb.g_mouse_warp_y = 0;
button1_changed = (buttons_valid & 1) && ((button_states & 1) != (g_adb.g_mouse_fifo[0].buttons & 1));
#if defined(ACTIVEGS) && !defined(MAC)
if (g_adb.g_warp_pointer == WARP_TOUCHSCREEN)
{
if (buttons_valid==-2)
{
button1_changed = 1;
buttons_valid = 1;
button_states = 1;
printf("*");
}
else
{
if (!button1_changed)
{
if (!(button_states & 1))
{
// mouse move => ignored
return 1 ;
}
}
else
{
// chgt de button
// simule un mouse move avant le click
if (button_states & 1)
{
for(int i=0;i<10;i++)
add_event_delay();
add_event_mouse(g_adb.g_mouse_raw_x,g_adb.g_mouse_raw_y,1,-2);
button1_changed = 0;
buttons_valid = 1;
button_states = 0;
}
}
}
// printf("%d %d (%d)\n",x,y,button_states);
}
#endif
if((button_states & 4) && !(g_adb.g_mouse_fifo[0].buttons & 4) &&
(buttons_valid & 4)) {
/* right button pressed */
adb_increment_speed();
}
if((button_states & 2) && !(g_adb.g_mouse_fifo[0].buttons & 2) &&
(buttons_valid & 2)) {
/* middle button pressed */
halt2_printf("Middle button pressed\n");
}
pos = g_adb.g_mouse_fifo_pos;
if((pos < (ADB_MOUSE_FIFO - 2)) && button1_changed) {
/* copy delta to overflow, set overflow */
/* overflow ensures the mouse button state is precise at */
/* button up/down times. Using a mouse event list where */
/* deltas accumulate until a button change would work, too */
for(i = pos; i >= 0; i--) {
g_adb.g_mouse_fifo[i + 1] = g_adb.g_mouse_fifo[i]; /* copy struct*/
}
g_adb.g_mouse_fifo_pos = pos + 1;
}
g_adb.g_mouse_fifo[0].buttons = (button_states & buttons_valid) |
(g_adb.g_mouse_fifo[0].buttons & ~buttons_valid);
if(mouse_moved || button1_changed) {
if( (g_adb.g_mouse_ctl_addr == g_adb.g_mouse_dev_addr) &&
((g_adb.g_adb_mode & 0x2) == 0)) {
g_adb.g_adb_mouse_valid_data = 1;
adb_add_mouse_int();
}
}
return mouse_moved;
}
// OG Only decrement fifo once per check_input
void should_decrement_fifo()
{
if (g_adb.g_need_to_decrement_fifo)
{
g_adb.g_need_to_decrement_fifo = 0;
if (g_adb.g_mouse_fifo_pos)
g_adb.g_mouse_fifo_pos--;
}
}
int
mouse_read_c024(double dcycs)
{
word32 ret;
word32 tool_start;
int em_active;
int target_x, target_y;
int delta_x, delta_y;
int a2_x, a2_y;
int mouse_button;
int clamped;
int pos;
if(((g_adb.g_adb_mode & 0x2) != 0) || (g_adb.g_mouse_dev_addr != g_adb.g_mouse_ctl_addr)){
/* mouse is off, return 0, or mouse is not autopoll */
g_adb.g_adb_mouse_valid_data = 0;
adb_clear_mouse_int();
return 0;
}
mouse_compress_fifo(dcycs);
pos = g_adb.g_mouse_fifo_pos;
target_x = g_adb.g_mouse_fifo[pos].x;
target_y = g_adb.g_mouse_fifo[pos].y;
mouse_button = (g_adb.g_mouse_fifo[pos].buttons & 1);
delta_x = target_x - g_adb.g_mouse_a2_x;
delta_y = target_y - g_adb.g_mouse_a2_y;
clamped = 0;
if(delta_x > 0x3f) {
delta_x = 0x3f;
clamped = 1;
} else if(delta_x < -0x3f) {
delta_x = -0x3f;
clamped = 1;
}
if(delta_y > 0x3f) {
delta_y = 0x3f;
clamped = 1;
} else if(delta_y < -0x3f) {
delta_y = -0x3f;
clamped = 1;
}
if(pos > 0) {
/* peek into next entry's button info if we are not clamped */
/* and we're returning the y-coord */
if(!clamped && g_adb.g_adb_mouse_coord) {
mouse_button = g_adb.g_mouse_fifo[pos - 1].buttons & 1;
}
}
if(g_adb.g_adb_mouse_coord) {
/* y coord */
delta_x = 0; /* clear unneeded x delta */
} else {
delta_y = 0; /* clear unneeded y delta */
}
adb_printf(" pre a2_x:%02x,%02x,%02x,%02x\n",
g_slow_memory_ptr[0x100e9], g_slow_memory_ptr[0x100ea],
g_slow_memory_ptr[0x100eb], g_slow_memory_ptr[0x100ec]);
adb_printf(" pre a2_x:%02x,%02x,%02x,%02x\n",
g_slow_memory_ptr[0x10190], g_slow_memory_ptr[0x10192],
g_slow_memory_ptr[0x10191], g_slow_memory_ptr[0x10193]);
/* Update event manager internal state */
tool_start = (g_slow_memory_ptr[0x103ca] << 16) +
(g_slow_memory_ptr[0x103c9] << 8) +
g_slow_memory_ptr[0x103c8];
em_active = 0;
if((tool_start >= 0x20000) && (tool_start < (g_sim65816.g_mem_size_total - 28)) ) {
/* seems to be valid ptr to addr of mem space for tools */
/* see if event manager appears to be active */
em_active = g_memory_ptr[tool_start + 6*4] + (g_memory_ptr[tool_start + 6*4 + 1] << 8);
if(g_adb.g_warp_pointer==WARP_POINTER)
{
em_active = 0;
}
}
a2_x = g_adb.g_mouse_a2_x;
a2_y = g_adb.g_mouse_a2_y;
if(em_active) {
if((!g_adb.g_hide_pointer) && (g_video.g_num_lines_prev_superhires == 200) &&
!g_adb.g_unhide_pointer) {
/* if super-hires and forcing tracking, then hide */
g_adb.g_hide_pointer = 1;
x_hide_pointer(1);
}
if(g_adb.g_adb_mouse_coord == 0) {
/* update x coord values */
g_slow_memory_ptr[0x47c] = a2_x & 0xff;
g_slow_memory_ptr[0x57c] = a2_x >> 8;
g_memory_ptr[0x47c] = a2_x & 0xff;
g_memory_ptr[0x57c] = a2_x >> 8;
g_slow_memory_ptr[0x10190] = a2_x & 0xff;
g_slow_memory_ptr[0x10192] = a2_x >> 8;
} else {
g_slow_memory_ptr[0x4fc] = a2_y & 0xff;
g_slow_memory_ptr[0x5fc] = a2_y >> 8;
g_memory_ptr[0x4fc] = a2_y & 0xff;
g_memory_ptr[0x5fc] = a2_y >> 8;
g_slow_memory_ptr[0x10191] = a2_y & 0xff;
g_slow_memory_ptr[0x10193] = a2_y >> 8;
}
} else {
if(g_adb.g_hide_pointer && (g_adb.g_warp_pointer!=WARP_POINTER)) {
g_adb.g_hide_pointer = 0;
x_hide_pointer(0);
}
}
ret = ((!mouse_button) << 7) + ((delta_x | delta_y) & 0x7f);
if(g_adb.g_adb_mouse_coord) {
g_adb.g_mouse_a2_button = mouse_button; /* y coord has button*/
} else {
ret |= 0x80; /* mouse button not down on x coord rd */
}
a2_x += delta_x;
a2_y += delta_y;
g_adb.g_mouse_a2_x = a2_x;
g_adb.g_mouse_a2_y = a2_y;
if(g_adb.g_mouse_fifo_pos) {
if((target_x == a2_x) && (target_y == a2_y) && (g_adb.g_mouse_a2_button == mouse_button))
{
// OG
// Only decrement FIFO once per check_inputs
g_adb.g_need_to_decrement_fifo = 1;
//g_adb.g_mouse_fifo_pos--;
// printf("new fifo:%d",g_adb.g_mouse_fifo_pos);
}
}
adb_printf("Read c024, mouse is_y:%d, %02x, vbl:%08x, dcyc:%f, em:%d\n",g_adb.g_adb_mouse_coord, ret, g_sim65816.g_vbl_count, dcycs, em_active);
adb_printf("...mouse targ_x:%d,%d delta_x,y:%d,%d fifo:%d, a2:%d,%d\n",
target_x, target_y, delta_x, delta_y, g_adb.g_mouse_fifo_pos,
a2_x, a2_y);
adb_printf(" post a2_x:%02x,%02x,%02x,%02x\n",
g_slow_memory_ptr[0x10190], g_slow_memory_ptr[0x10192],
g_slow_memory_ptr[0x10191], g_slow_memory_ptr[0x10193]);
if((g_adb.g_mouse_fifo_pos == 0) && (g_adb.g_mouse_fifo[0].x == a2_x) &&
(g_adb.g_mouse_fifo[0].y == a2_y) &&
((g_adb.g_mouse_fifo[0].buttons & 1) == g_adb.g_mouse_a2_button)) {
g_adb.g_adb_mouse_valid_data = 0;
adb_clear_mouse_int();
}
g_adb.g_adb_mouse_coord = !g_adb.g_adb_mouse_coord;
return ret;
}
void
mouse_compress_fifo(double dcycs)
{
int pos;
/* The mouse fifo exists so that fast button changes don't get lost */
/* if the emulator lags behind the mouse events */
/* But the FIFO means really old mouse events are saved if */
/* the emulated code isn't looking at the mouse registers */
/* This routine compresses all mouse events > 0.5 seconds old */
for(pos = g_adb.g_mouse_fifo_pos; pos >= 1; pos--) {
if(g_adb.g_mouse_fifo[pos].dcycs < (dcycs - 500*1000.0)) {
/* Remove this entry */
adb_printf("Old mouse FIFO pos %d removed\n", pos);
g_adb.g_mouse_fifo_pos = pos - 1;
continue;
}
/* Else, stop searching the FIFO */
break;
}
}
void
adb_key_event(int a2code, int is_up)
{
word32 special;
word32 vbl_count;
int key;
int hard_key;
int pos;
int tmp_ascii;
int ascii;
// printf("adb_key_event, key:%02x, is up:%d g_adb.g_key_down: %02x\n",a2code,is_up, g_key_down);
if(is_up) {
adb_printf("adb_key_event, key:%02x, is up, g_adb.g_key_down: %02x\n",
a2code, g_adb.g_key_down);
}
if(a2code < 0 || a2code > 0x7f) {
halt_printf("add_key_event: a2code: %04x!\n", a2code);
return;
}
if(!is_up && a2code == 0x35) {
/* ESC pressed, see if ctrl & cmd key down */
if(CTRL_DOWN && CMD_DOWN) {
/* Desk mgr int */
printf("Desk mgr int!\n");
g_adb.g_adb_interrupt_byte |= 0x20;
adb_add_data_int();
}
}
/* convert key to ascii, if possible */
hard_key = 0;
if(a2_key_to_ascii[a2code][1] & 0xef00) {
/* special key */
} else {
/* we have ascii */
hard_key = 1;
}
pos = 1;
ascii = a2_key_to_ascii[a2code][1];
if(CAPS_LOCK_DOWN && (ascii >= 'a' && ascii <= 'z')) {
pos = 2;
if(SHIFT_DOWN && (g_adb.g_adb_mode & 0x40)) {
/* xor shift mode--capslock and shift == lowercase */
pos = 1;
}
} else if(SHIFT_DOWN) {
pos = 2;
}
ascii = a2_key_to_ascii[a2code][pos];
if(CTRL_DOWN) {
tmp_ascii = a2_key_to_ascii[a2code][3];
if(tmp_ascii >= 0) {
ascii = tmp_ascii;
}
}
key = (ascii & 0x7f) + 0x80;
special = (ascii >> 8) & 0xff;
if(ascii < 0) {
printf("ascii1: %d, a2code: %02x, pos: %d\n", ascii,a2code,pos);
ascii = 0;
special = 0;
}
if(!is_up) {
if(hard_key) {
g_adb.g_kbd_buf[g_adb.g_kbd_chars_buffered] = key;
// printf("adding %X at pos %d\n",key,g_adb.g_kbd_chars_buffered);
g_adb.g_kbd_chars_buffered++;
if(g_adb.g_kbd_chars_buffered >= MAX_KBD_BUF) {
g_adb.g_kbd_chars_buffered = MAX_KBD_BUF - 1;
}
g_adb.g_key_down = 1;
g_adb.g_a2code_down = a2code;
/* first key down, set up autorepeat */
vbl_count = g_sim65816.g_vbl_count;
if(g_config_control_panel) {
vbl_count = g_cfg_vbl_count;
}
g_adb.g_adb_repeat_vbl = vbl_count + g_adb.g_adb_repeat_delay;
if(g_adb.g_adb_repeat_delay == 0) {
g_adb.g_key_down = 0;
}
g_adb.g_hard_key_down = 1;
}
g_adb.g_c025_val = g_adb.g_c025_val | special;
adb_printf("new c025_or: %02x\n", g_adb.g_c025_val);
} else {
if(hard_key && (a2code == g_adb.g_a2code_down)) {
g_adb.g_hard_key_down = 0;
/* Turn off repeat */
g_adb.g_key_down = 0;
}
g_adb.g_c025_val = g_adb.g_c025_val & (~ special);
adb_printf("new c025_and: %02x\n", g_adb.g_c025_val);
}
if(g_adb.g_key_down) {
g_adb.g_c025_val = g_adb.g_c025_val & (~0x20);
} else {
/* If no hard key down, set update mod latch */
g_adb.g_c025_val = g_adb.g_c025_val | 0x20;
}
}
word32
adb_read_c000()
{
word32 vbl_count;
if( ((g_adb.g_kbd_buf[0] & 0x80) == 0) && (g_adb.g_key_down == 0)) {
/* nothing happening, just get out */
return g_adb.g_kbd_buf[0];
}
if(g_adb.g_kbd_buf[0] & 0x80) {
/* got one */
if((g_adb.g_kbd_read_no_update++ > 5) && (g_adb.g_kbd_chars_buffered > 1)) {
/* read 5 times, keys pending, let's move it along */
printf("Read %02x %d times, tossing\n", g_adb.g_kbd_buf[0],
g_adb.g_kbd_read_no_update);
adb_access_c010();
}
} else {
vbl_count = g_sim65816.g_vbl_count;
if(g_config_control_panel) {
vbl_count = g_cfg_vbl_count;
}
if(g_adb.g_key_down && vbl_count >= g_adb.g_adb_repeat_vbl) {
/* repeat the g_adb.g_key_down */
g_adb.g_c025_val |= 0x8;
adb_key_event(g_adb.g_a2code_down, 0);
g_adb.g_adb_repeat_vbl = vbl_count + g_adb.g_adb_repeat_rate;
}
}
return g_adb.g_kbd_buf[0];
}
word32
adb_access_c010()
{
int tmp;
int i;
g_adb.g_kbd_read_no_update = 0;
tmp = g_adb.g_kbd_buf[0] & 0x7f;
g_adb.g_kbd_buf[0] = tmp;
tmp = tmp | (g_adb.g_hard_key_down << 7);
if(g_adb.g_kbd_chars_buffered) {
// printf("c010 removing %X ",g_adb.g_kbd_buf[0]);
for(i = 1; i < g_adb.g_kbd_chars_buffered; i++) {
g_adb.g_kbd_buf[i - 1] = g_adb.g_kbd_buf[i];
}
g_adb.g_kbd_chars_buffered--;
// printf(" @%d\n",g_adb.g_kbd_chars_buffered);
}
g_adb.g_c025_val = g_adb.g_c025_val & (~ (0x08));
return tmp;
}
word32
adb_read_c025()
{
return g_adb.g_c025_val;
}
int
adb_is_cmd_key_down()
{
return CMD_DOWN;
}
int
adb_is_option_key_down()
{
return OPTION_DOWN;
}
void
adb_increment_speed()
{
// TODO
/*
const char *str;
g_sim65816.g_limit_speed++;
if(g_sim65816.g_limit_speed > 3) {
g_sim65816.g_limit_speed = 0;
}
str = "";
switch(g_sim65816.g_limit_speed) {
case 0:
str = "...as fast as possible!";
break;
case 1:
str = "...1.024MHz!";
break;
case 2:
str = "...2.8MHz!";
break;
case 3:
str = "...8.0MHz!";
break;
}
printf("Toggling g_sim65816.g_limit_speed to %d%s\n", g_sim65816.g_limit_speed, str);
*/
}
void
adb_physical_key_update(int a2code, int is_up)
{
int autopoll;
int special;
int ascii_and_type;
int ascii;
/* this routine called by xdriver to pass raw codes--handle */
/* ucontroller and ADB bus protocol issues here */
/* if autopoll on, pass it on through to c025,c000 regs */
/* else only put it in kbd reg 3, and pull SRQ if needed */
// printf("adb_phys_key_update: %02x, %d (vbl %d)\n", a2code, is_up,g_sim65816.g_vbl_count);
adb_printf("Handle a2code: %02x, is_up: %d\n", a2code, is_up);
if(a2code < 0 || a2code > 0x7f) {
halt_printf("a2code: %04x!\n", a2code);
return;
}
/*
// Remap 0x7b-0x7e to 0x3b-0x3e (arrow keys on new mac keyboards)
if(a2code >= 0x7b && a2code <= 0x7e) {
a2code = a2code - 0x40;
}
*/
/* Now check for special keys (function keys, etc) */
ascii_and_type = a2_key_to_ascii[a2code][1];
special = 0;
if((ascii_and_type & 0xf000) == 0x8000) {
/* special function key */
special = ascii_and_type & 0xff;
switch(special) {
case 0x01: /* F1 - remap to cmd */
a2code = 0x37;
special = 0;
break;
case 0x02: /* F2 - remap to option */
a2code = 0x3a;
special = 0;
break;
case 0x03: /* F3 - remap to escape for OS/2 */
a2code = 0x35;
special = 0;
break;
case 0x0c: /* F12 - remap to reset */
a2code = 0x7f;
special = 0;
break;
default:
break;
}
}
/* Only process reset requests here */
if(is_up == 0 && a2code == 0x7f && CTRL_DOWN) {
/* Reset pressed! */
printf("Reset pressed since CTRL_DOWN: %d\n", CTRL_DOWN);
do_reset();
return;
}
if(special && !is_up)
{
int handled=0;
if (g_driver.x_handle_fkey)
handled = g_driver.x_handle_fkey(special);
if (!handled)
switch(special) {
case 0x05: /* F5 */
if (r_sim65816.get_state()==RUNNING)
r_sim65816.pause();
else
r_sim65816.resume();
break;
#ifndef ACTIVEGS
case 0x04: /* F4 - Emulator config panel */
cfg_toggle_config_panel();
break;
case 0x06: /* F6 - emulator speed */
if(SHIFT_DOWN) {
halt2_printf("Shift-F6 pressed\n");
} else {
adb_increment_speed();
}
break;
case 0x07: /* F7 - fast disk emul */
g_iwm.g_fast_disk_emul = !g_iwm.g_fast_disk_emul;
printf("g_fast_disk_emul is now %d\n",
g_iwm.g_fast_disk_emul);
break;
#endif
case 0x08: /* F8 - warp pointer */
switch(g_adb.g_warp_pointer)
{
case WARP_NONE:
g_adb.g_warp_pointer=WARP_POINTER;
g_adb.g_hide_pointer = 1;
extern void x_recenter_hw_mouse();
x_recenter_hw_mouse();
printf("switching mouse to WARP_POINTER!\n");
break;
/*
case WARP_POINTER:
// skip warp on non touch platform
if (g_driver.environment == ENV_TOUCH)
{
g_adb.g_warp_pointer=WARP_TOUCHSCREEN;
g_adb.g_hide_pointer = 0;
printf("switching mouse to WARP_TOUCHSCREEN!\n");
break;
}
*/
default: // WARP_TOUCHSCREEN
g_adb.g_warp_pointer=WARP_NONE;
g_adb.g_hide_pointer = 0;
printf("switching mouse to WARP_NONE!\n");
break;
}
x_hide_pointer(g_adb.g_hide_pointer);
/*
g_adb.g_warp_pointer = !g_adb.g_warp_pointer;
if(g_adb.g_hide_pointer != g_adb.g_warp_pointer) {
g_adb.g_hide_pointer = g_adb.g_warp_pointer;
x_hide_pointer(g_adb.g_hide_pointer);
}
*/
break;
#ifndef ACTIVEGS
case 0x09: /* F9 - swap paddles */
if(SHIFT_DOWN) {
g_swap_paddles = !g_swap_paddles;
printf("Swap paddles is now: %d\n",
g_swap_paddles);
} else {
g_invert_paddles = !g_invert_paddles;
printf("Invert paddles is now: %d\n",
g_invert_paddles);
}
break;
case 0x0a: /* F10 - change a2vid paletter */
change_a2vid_palette((g_video.g_a2vid_palette + 1) & 0xf);
break;
case 0x0b: /* F11 - full screen */
g_adb.fullscreen = !g_adb.fullscreen;
x_full_screen(g_adb.fullscreen);
break;
#endif
}
return;
}
/* Handle Keypad Joystick here partly...if keypad key pressed */
/* while in Keypad Joystick mode, do not pass it on as a key press */
if((ascii_and_type & 0xff00) == 0x1000) {
/* Keep track of keypad number keys being up or down even */
/* if joystick mode isn't keypad. This avoid funny cases */
/* if joystick mode is changed while a key is pressed */
ascii = ascii_and_type & 0xff;
if(ascii > 0x30 && ascii <= 0x39) {
g_adb.g_keypad_key_is_down[ascii - 0x30] = !is_up;
}
if(g_joystick_type == JOYSTICK_TYPE_KEYPAD) {
/* If Joystick type is keypad, then do not let these */
/* keypress pass on further, except for cmd/opt */
if(ascii == 0x30) {
/* remap '0' to cmd */
a2code = 0x37;
} else if(ascii == 0x2e || ascii == 0x2c) {
/* remap '.' and ',' to option */
a2code = 0x3a;
} else {
/* Just ignore it in this mode */
return;
}
}
}
autopoll = 1;
if(g_adb.g_adb_mode & 1) {
/* autopoll is explicitly off */
autopoll = 0;
}
if(g_adb.g_kbd_dev_addr != g_adb.g_kbd_ctl_addr) {
/* autopoll is off because ucontroller doesn't know kbd moved */
autopoll = 0;
}
if(g_config_control_panel) {
/* always do autopoll */
autopoll = 1;
}
if(is_up) {
if(!autopoll) {
/* no auto keys, generate SRQ! */
adb_kbd_reg0_data(a2code, is_up);
} else {
adb_virtual_key_update(a2code, is_up);
}
} else {
if(!autopoll) {
/* no auto keys, generate SRQ! */
adb_kbd_reg0_data(a2code, is_up);
} else {
/* was up, now down */
adb_virtual_key_update(a2code, is_up);
}
}
}
void
adb_virtual_key_update(int a2code, int is_up)
{
int i;
int bitpos;
word32 mask;
adb_printf("Virtual handle a2code: %02x, is_up: %d\n", a2code, is_up);
if(a2code < 0 || a2code > 0x7f) {
halt_printf("a2code: %04x!\n", a2code);
return;
}
i = (a2code >> 5) & 3;
bitpos = a2code & 0x1f;
mask = (1 << bitpos);
if(is_up) {
if(g_adb.g_virtual_key_up[i] & mask) {
/* already up, do nothing */
} else {
g_adb.g_virtual_key_up[i] |= mask;
adb_key_event(a2code, is_up);
}
} else {
if(g_adb.g_virtual_key_up[i] & mask) {
g_adb.g_virtual_key_up[i] &= (~mask);
adb_key_event(a2code, is_up);
}
}
}
void
adb_all_keys_up()
{
word32 mask;
int i, j;
for(i = 0; i < 4; i++) {
for(j = 0; j < 32; j++) {
mask = 1 << j;
if((g_adb.g_virtual_key_up[i] & mask) == 0) {
/* create key-up event */
adb_physical_key_update(i*32 + j, 1);
}
}
}
}
void
adb_kbd_repeat_off()
{
g_adb.g_key_down = 0;
}
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