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config.cpp
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config.cpp
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// -----------------------------------------------------------------------------
// Altair 8800 Simulator
// Copyright (C) 2017 David Hansel
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// -----------------------------------------------------------------------------
#include "Altair8800.h"
#include "config.h"
#include "mem.h"
#include "serial.h"
#include "printer.h"
#include "filesys.h"
#include "numsys.h"
#include "drive.h"
#include "cdrive.h"
#include "tdrive.h"
#include "hdsk.h"
#include "prog.h"
#include "dazzler.h"
#include "sdmanager.h"
#include "vdm1.h"
#include "cpucore.h"
#include "io.h"
#define CONFIG_FILE_VERSION 10
#define BAUD_110 0
#define BAUD_150 1
#define BAUD_300 2
#define BAUD_600 3
#define BAUD_1200 4
#define BAUD_2400 5
#define BAUD_4800 6
#define BAUD_9600 7
#define BAUD_19200 8
#define BAUD_38400 9
#define BAUD_57600 10
#define BAUD_115200 11
#define BAUD_250000 12
#define BAUD_525000 13
#define BAUD_750000 14
#define BAUD_1050000 15
#if HOST_NUM_SERIAL_PORTS>5
#error "Maximum number of host serial interfaces supported is 5"
#endif
// current configuration number
static byte config_current = 0;
// config_flags:
// vvvvvvvv mmmpphrt ttttRRRR dVCDIPFT
// T = Throttle
// t = Throttle delay if throttle is enabled (0=auto)
// F = Profile
// P = Serial Panel
// I = Serial Input
// D = Serial Debug
// C = Clear memory on powerup
// V = VI board installed
// R = RTC rate
// d = force real-time mode for disk drives
// p = printer type (00=NONE, 01=Okidata/88-LPC, 02=C700, 03=Generic)
// m = map printer to host interface (00=NONE, 01=primary, 02=secondary)
// r = real-time mode for printer
// h = real-time mode for hard drives
// v = config file version
uint32_t config_flags;
// config_flags2:
// xxxxxxxx xAPKKKMM MMMMDDDD DDVVVZZZ
// ZZZ = map dazzler to host interface (000=NONE, 001=1st, 010=2nd, 011=3rd, 100=4th, 101=5th)
// VVV = map VDM-1 to host interface (see above)
// D = VDM-1 dip switch settings
// M = VDM-1 memory address (6 highest bits)
// KKK = map VDM-1 keyboard to serial device (000=NONE, 1=SIO, 2=ACR, 3=2SIO1, 4=2SIO2, 5=2SIO3, 6=2SIO4)
// P = Processor (0=i8080, 1=z80)
uint32_t config_flags2;
// config_serial_settings:
// xxxxxxxx 44443333 2222xPPP 11110000
// 0000 = baud rate for first host interface (see baud rates above)
// 1111 = baud rate for second host interface (see baud rates above)
// 2222 = baud rate for third host interface (see baud rates above)
// 3333 = baud rate for fourth host interface (see baud rates above)
// 4444 = baud rate for fifth host interface (see baud rates above)
// PPP = primary serial interface (maximum number depends on host)
// x = unused
uint32_t config_serial_settings, new_config_serial_settings;
// cofig_serial_settings2:
// xxxxxxxB BPPSBBPP SBBPPSBB PPSBBPPS
// for all 5 host interfaces:
// BB = number of bits (0=5, 1=6, 2=7, 3=8)
// PP = parity (0=none, 1=even, 2=odd)
// S = stop bits (0=1, 1=2)
uint32_t config_serial_settings2, new_config_serial_settings2;
// config_serial_device_settings[0-5]
// xxxxxxxx xxxxMMMR TT77UUVV CNNNBBBB
// BBBB = baud rate for serial playback (see baud rates above)
// NNN = NULs to send after a carriage return when playing back examples
// C = trap CLOAD/CSAVE in extended BASIC (for CSM_ACR device only)
// MMM = map device to host interface (000=NONE, 001=first, 010=second, 011=third, 100=fourth, 101=fifth, 111=primary)
// UU = only uppercase for inputs (00=off, 01=on, 10=autodetect)
// 77 = use 7 bit for serial outputs (00=off [use 8 bit], 01=on, 10=autodetect)
// TT = translate backspace to (00=off, 01=underscore, 10=autodetect, 11=delete)
// R = force realtime operation (use baud rate even if not using interrupts)
// VV = 88-SIO board version (0=rev0, 1=rev1, 2=Cromemco)
uint32_t config_serial_device_settings[NUM_SERIAL_DEVICES];
// map emulated device (SIO/2SIO etc.) to host serial port number
byte config_serial_sim_to_host[NUM_SERIAL_DEVICES];
// masks defining which interrupts (INT_*) are at which vector interrupt levels
uint32_t config_interrupt_vi_mask[8];
// mask defining whch interrupts (INT_*) are connected if VI board is not installed
uint32_t config_interrupt_mask;
// program to be run when AUX1 is raised
byte config_aux1_prog;
// amount of RAM installed
uint32_t config_mem_size;
// status bytes for generic printer emulation
byte config_printer_generic_status_busy;
byte config_printer_generic_status_ready;
// --------------------------------------------------------------------------------
static bool config_read_string(char *buf, byte bufsize)
{
int l = 0;
while( true )
{
int c = serial_read();
if( c>=32 && c<127 )
{
if( l < bufsize-1 ) { buf[l++] = c; Serial.write(c); }
}
else if( c==8 || c==127 )
{
if( l>0 )
{
l--;
Serial.print(F("\010 \010"));
}
}
else if( c==13 )
{
Serial.println();
buf[l]=0;
return true;
}
else if( c==27 )
{
Serial.println();
return false;
}
}
return true;
}
inline uint32_t get_bits(uint32_t v, byte i, byte n)
{
return (v >> ((uint32_t) i)) & ((1ul<<n)-1);
}
inline uint32_t set_bits(uint32_t v, byte i, byte n, uint32_t nv)
{
uint32_t mask = ((1ul<<n)-1) << i;
return (v & ~mask) | ((nv << i) & mask);
}
static uint32_t toggle_bits(uint32_t v, byte i, byte n, byte min = 0x00, byte max = 0xff)
{
byte b = get_bits(v, i, n) + 1;
return set_bits(v, i, n, b>max ? min : (b<min ? min : b));
}
static uint32_t toggle_vdm1_dip(uint32_t v, byte i, bool allowBoth)
{
switch( get_bits(v, i, 2) )
{
case 0: return set_bits(v, i, 2, 2);
case 2: return set_bits(v, i, 2, 1);
case 1: return set_bits(v, i, 2, allowBoth ? 3 : 0);
case 3: return set_bits(v, i, 2, 0);
}
return v;
}
static byte config_baud_rate_bits(byte iface)
{
byte n = 0;
switch( iface )
{
case 0: n = 0; break;
case 1: n = 4; break;
case 2: n = 12; break;
case 3: n = 16; break;
case 4: n = 20; break;
}
return n;
}
static uint32_t config_baud_rate(byte b)
{
uint32_t res;
switch(b)
{
case BAUD_110 : res = 110; break;
case BAUD_150 : res = 150; break;
case BAUD_300 : res = 300; break;
case BAUD_600 : res = 600; break;
case BAUD_1200 : res = 1200; break;
case BAUD_2400 : res = 2400; break;
case BAUD_4800 : res = 4800; break;
case BAUD_9600 : res = 9600; break;
case BAUD_19200 : res = 19200; break;
case BAUD_38400 : res = 38400; break;
case BAUD_57600 : res = 57600; break;
case BAUD_115200 : res = 115200; break;
case BAUD_250000 : res = 250000; break;
case BAUD_525000 : res = 525000; break;
case BAUD_750000 : res = 750000; break;
case BAUD_1050000: res = 1050000; break;
default : res = 115200; break;
}
return res;
}
float config_rtc_rate()
{
float res = 0.0;
byte value = get_bits(config_flags, 8, 4);
if( value & 0x08 )
{
switch( value & 0x07 )
{
case 0: res = 0.06f; break;
case 1: res = 0.60f; break;
case 2: res = 6.00f; break;
case 3: res = 10.00f; break;
case 4: res = 60.00f; break;
case 5: res = 100.00f; break;
case 6: res = 1000.00f; break;
case 7: res = 10000.00f; break;
}
}
return res;
}
#if USE_THROTTLE>0
int config_throttle()
{
if( config_flags & CF_THROTTLE )
{
int i = get_bits(config_flags, 12, 5);
if( i==0 )
return -1; // auto
else
return i; // manual
}
else
return 0; // off
}
#endif
byte config_aux1_program()
{
return config_aux1_prog;
}
byte config_serial_backspace(byte dev, uint16_t PC)
{
byte b = get_bits(config_serial_device_settings[dev], 14, 2);
if( b==CSFB_AUTO )
{
if( PC == 0x038A || PC == 0x0380 || PC == 0x00A0 || PC == 0x00AC )
{
// ALTAIR 4k BASIC I/O routine has "IN" instruction at 0x389 and "OUT" instruction at 0x037F
// ALTAIR EXTENDED BASIC I/O routine has "IN" instruction at 0x09f and "OUT" instruction at 0x00AB
b = CSFB_UNDERSCORE;
}
else if( PC == 0x0726 || PC == 0x08e5 )
{
// MITS Programming System II has "IN" instruction at 0x0725 and 0x07E4
b = CSFB_DELETE;
}
else
b = CSFB_NONE;
}
return b;
}
bool config_serial_ucase(byte dev, uint16_t PC)
{
byte b = get_bits(config_serial_device_settings[dev], 10, 2);
if( b==CSF_AUTO )
{
// ALTAIR 4k BASIC I/O routine has "IN" instruction at 0x0389
// MITS Programming System II has "IN" instruction at 0x0725 and 0x07E4
return (PC == 0x038A) || (PC == 0x0726) || (PC == 0x08e5);
}
else
return b==CSF_ON;
}
bool config_serial_7bit(byte dev, uint16_t PC)
{
byte b = get_bits(config_serial_device_settings[dev], 12, 2);
if( b==CSF_AUTO )
{
// ALTAIR 4k BASIC I/O routine has "OUT" instruction at 0x037F
// ALTAIR EXTENDED BASIC I/O routine has "OUT" instruction at 0x00AB
// MITS Programming System II has "OUT" instruction at 0x071B
return (PC == 0x0380) || (PC == 0x00AC) || (PC == 0x071C);
}
else
return b==CSF_ON;
}
byte config_serial_siorev()
{
return get_bits(config_serial_device_settings[CSM_SIO], 8, 2);
}
bool config_serial_trap_CLOAD()
{
return get_bits(config_serial_device_settings[CSM_ACR], 7, 1)>0;
}
uint32_t config_serial_playback_baud_rate(byte dev)
{
return config_baud_rate(get_bits(config_serial_device_settings[dev], 0, 4));
}
byte config_serial_playback_example_nuls(byte dev)
{
return get_bits(config_serial_device_settings[dev], 4, 3);
}
byte config_map_device_to_host_interface(byte s)
{
if( s==7 )
return config_host_serial_primary();
else if( s<=HOST_NUM_SERIAL_PORTS )
return s-1;
else
return 0xff;
}
bool config_serial_realtime(byte dev)
{
return get_bits(config_serial_device_settings[dev], 16, 1) ? true : false;
}
byte config_host_serial_primary()
{
return get_bits(config_serial_settings, 8, 3);
}
uint32_t config_host_serial_baud_rate(uint32_t settings, byte iface)
{
return config_baud_rate(get_bits(settings, config_baud_rate_bits(iface), 4));
}
uint32_t config_host_serial_config(uint32_t settings2, byte iface)
{
byte v = get_bits(settings2, iface * 5, 5);
switch( v )
{
#ifndef HOST_TEENSY_H // Teensy does not define these constants
case 0x00: return SERIAL_5N1;
case 0x01: return SERIAL_5N2;
case 0x02: return SERIAL_5E1;
case 0x03: return SERIAL_5E2;
case 0x04: return SERIAL_5O1;
case 0x05: return SERIAL_5O2;
case 0x08: return SERIAL_6N1;
case 0x09: return SERIAL_6N2;
case 0x0A: return SERIAL_6E1;
case 0x0B: return SERIAL_6E2;
case 0x0C: return SERIAL_6O1;
case 0x0D: return SERIAL_6O2;
case 0x10: return SERIAL_7N1;
case 0x11: return SERIAL_7N2;
case 0x12: return SERIAL_7E1;
case 0x13: return SERIAL_7E2;
case 0x14: return SERIAL_7O1;
case 0x15: return SERIAL_7O2;
#endif
case 0x18: return SERIAL_8N1;
case 0x19: return SERIAL_8N2;
case 0x1A: return SERIAL_8E1;
case 0x1B: return SERIAL_8E2;
case 0x1C: return SERIAL_8O1;
case 0x1D: return SERIAL_8O2;
// fall back to default 8N1 settings
default : return SERIAL_8N1;
}
}
uint32_t config_host_serial_config(byte iface)
{
return config_host_serial_config(config_serial_settings2, iface);
}
uint32_t config_host_serial_baud_rate(byte iface)
{
return config_host_serial_baud_rate(config_serial_settings, iface);
}
byte config_printer_map_to_host_serial()
{
return config_map_device_to_host_interface(get_bits(config_flags, 21, 3));
}
byte config_printer_type()
{
return get_bits(config_flags, 19, 2);
}
byte config_printer_generic_get_status(bool busy)
{
return busy ? config_printer_generic_status_busy : config_printer_generic_status_ready;
}
byte config_dazzler_interface()
{
return config_map_device_to_host_interface(get_bits(config_flags2, 0, 3));
}
byte config_vdm1_interface()
{
return config_map_device_to_host_interface(get_bits(config_flags2, 3, 3));
}
byte config_vdm1_dip()
{
return get_bits(config_flags2, 6, 6);
}
byte config_vdm1_keyboard_device()
{
return ((byte) get_bits(config_flags2, 18, 3))-1;
}
uint16_t config_vdm1_address()
{
return get_bits(config_flags2, 12, 6) * 1024;
}
// --------------------------------------------------------------------------------
static void set_cursor(byte row, byte col)
{
Serial.print(F("\033["));
Serial.print(row);
Serial.print(';');
Serial.print(col);
Serial.print(F("H\033[K"));
}
static void print_cpu()
{
if( config_use_z80() )
Serial.print(F("Zilog Z80"));
else
Serial.print(F("Intel 8080"));
}
static void print_mem_size(uint32_t s, byte row=0, byte col=0)
{
if( row!=0 || col!=0 ) set_cursor(row, col);
if( (s&0x3FF)==0 )
{
Serial.print(s/1024);
Serial.print(F(" KB"));
}
else
{
Serial.print(s);
Serial.print(F(" bytes"));
}
}
static void print_flag(uint32_t data, uint32_t value, byte row=0, byte col=0)
{
if( row!=0 || col!=0 ) set_cursor(row, col);
Serial.print((data&value)!=0 ? F("yes") : F("no"));
}
static void print_flag(uint32_t value, byte row=0, byte col=0)
{
print_flag(config_flags, value, row, col);
}
static void print_flag2(uint32_t value, byte row=0, byte col=0)
{
print_flag(config_flags2, value, row, col);
}
static void print_vi_flag()
{
Serial.print((config_flags&CF_HAVE_VI)!=0 ? F("Use Vector Interrupt board") : F("Interrupts connected directly to CPU"));
}
static void print_host_serial_config(uint32_t settings2, byte iface)
{
byte v = get_bits(settings2, iface * 5, 5);
Serial.print(get_bits(settings2, iface * 5 + 3, 2)+5);
switch( get_bits(settings2, iface * 5 + 1, 2) )
{
case 0 : Serial.print('N'); break;
case 1 : Serial.print('E'); break;
case 2 : Serial.print('O'); break;
case 3 : Serial.print('?'); break;
}
Serial.print(get_bits(settings2, iface * 5, 1)+1);
}
static void print_host_serial_config(byte iface, byte row, byte col)
{
if( row!=0 || col!=0 ) set_cursor(row, col);
Serial.print(config_host_serial_baud_rate(new_config_serial_settings, iface));
Serial.print(F(" baud"));
if( host_serial_port_has_configs(iface) )
{
Serial.print(' ');
print_host_serial_config(new_config_serial_settings2, iface);
}
if( config_host_serial_baud_rate(new_config_serial_settings, iface) != config_host_serial_baud_rate(iface)
||
get_bits(new_config_serial_settings2, iface * 5, 5) != get_bits(config_serial_settings2, iface * 5, 5) )
{
Serial.print(F(" (current: "));
Serial.print(config_host_serial_baud_rate(iface));
if( host_serial_port_has_configs(iface) )
{
Serial.print(' ');
print_host_serial_config(config_serial_settings2, iface);
}
Serial.print(')');
}
}
static void print_throttle(byte row = 0, byte col = 0)
{
if( row!=0 || col!=0 ) set_cursor(row, col);
int i = config_throttle();
if ( i<0 ) Serial.print(F("auto adjust"));
else if( i==0 ) Serial.print(F("off"));
else Serial.print(i);
}
static void print_serial_device_sim(byte dev)
{
switch( dev )
{
case CSM_SIO: Serial.print(F("SIO")); break;
case CSM_ACR: Serial.print(F("ACR")); break;
case CSM_2SIO1: Serial.print(F("2-SIO port 1")); break;
case CSM_2SIO2: Serial.print(F("2-SIO port 2")); break;
case CSM_2SIO3: Serial.print(F("2-SIO2 port 1")); break;
case CSM_2SIO4: Serial.print(F("2-SIO2 port 2")); break;
case 0xff : Serial.print(F("none")); break;
}
}
static void print_host_primary_interface_aux(byte iface)
{
Serial.print(host_serial_port_name(iface));
}
static void print_host_primary_interface(byte row = 0, byte col = 0)
{
if( row!=0 || col!=0 ) set_cursor(row, col);
print_host_primary_interface_aux(get_bits(new_config_serial_settings, 8, 3));
if( get_bits(new_config_serial_settings, 8, 3) != config_host_serial_primary() )
{
Serial.print(F(" (current: "));
print_host_primary_interface_aux(config_host_serial_primary());
Serial.print(')');
}
}
static void print_serial_flag(uint32_t settings, byte pos, byte bits = 2)
{
switch( get_bits(settings, pos, bits) )
{
case CSF_OFF: Serial.print(F("off")); break;
case CSF_ON: Serial.print(F("on")); break;
case CSF_AUTO: Serial.print(F("autodetect")); break;
}
}
static void print_serial_flag_backspace(uint32_t settings)
{
switch( get_bits(settings, 14, 2) )
{
case CSFB_NONE: Serial.print(F("off")); break;
case CSFB_UNDERSCORE: Serial.print(F("underscore (_)")); break;
case CSFB_DELETE: Serial.print(F("delete (127)")); break;
case CSFB_AUTO: Serial.print(F("autodetect")); break;
}
}
static void print_serial_flag_siorev(uint32_t settings)
{
switch( get_bits(settings, 8, 2) )
{
case 0: Serial.print(F("rev0")); break;
case 1: Serial.print(F("rev1")); break;
case 2: Serial.print(F("Cromemco")); break;
}
}
static void print_device_mapped_to(byte s)
{
if( s==0 )
Serial.print(F("Not mapped"));
else if( s==7 )
{
Serial.print(F("Primary ("));
print_host_primary_interface();
Serial.print(')');
}
else
Serial.print(host_serial_port_name(s-1));
}
static void print_serial_device_mapped_to(uint32_t settings)
{
print_device_mapped_to(get_bits(settings, 17, 3));
}
static void print_dazzler_mapped_to()
{
byte s = get_bits(config_flags2, 0, 3);
if( s==0 )
Serial.print(F("Disabled"));
else
{
Serial.print(F("On "));
Serial.print(host_serial_port_name(s-1));
}
}
static void print_vdm1_mapped_to()
{
byte s = get_bits(config_flags2, 3, 3);
if( s==0 )
Serial.print(F("Disabled"));
else
{
Serial.print(F("On "));
Serial.print(host_serial_port_name(s-1));
}
}
static void print_vdm1_addr()
{
uint16_t a = config_vdm1_address();
numsys_print_word(a);
}
static void print_vdm1_dip12()
{
switch( config_vdm1_dip() & 3 )
{
case 0: Serial.print(F("off/off (no display)")); break;
case 2: Serial.print(F("off/on (normal video)")); break;
case 1: Serial.print(F("on /off (inverse video)")); break;
case 3: Serial.print(F("on /on [ILLEGAL]")); break;
}
}
static void print_vdm1_dip34()
{
switch( (config_vdm1_dip()>>2) & 3 )
{
case 0: Serial.print(F("off/off (all cursors suppressed)")); break;
case 2: Serial.print(F("off/on (blinking cursor)")); break;
case 1: Serial.print(F("on /off (non-blinking cursor)")); break;
case 3: Serial.print(F("on /on [ILLEGAL]")); break;
}
}
static void print_vdm1_dip56()
{
switch( (config_vdm1_dip()>>4) & 3 )
{
case 0: Serial.print(F("off/off (all characters suppressed, VT-CR blanking on)")); break;
case 2: Serial.print(F("off/on (control characters blanked, VT-CR blanking on)")); break;
case 1: Serial.print(F("on /off (control characters shown, VT-CR blanking on)")); break;
case 3: Serial.print(F("on /on (control characters shown, VT-CR blanking off)")); break;
}
}
static void print_printer_mapped_to()
{
print_device_mapped_to(get_bits(config_flags, 21, 3));
}
static void print_rtc_frequency()
{
float rate = config_rtc_rate();
if( rate==0.0 )
Serial.print(F("Disabled"));
else
{ Serial.print(rate); Serial.print(F(" Hz")); }
}
static void print_interrupt_conn(uint32_t mask, byte b)
{
if( config_flags&CF_HAVE_VI )
{
if( b == 0xff )
Serial.print(F("Not connected"));
else
{ Serial.print(F("VI")); Serial.print(b); }
}
else
{
if( config_interrupt_mask & mask )
Serial.print(F("Connected"));
else
Serial.print(F("Not connected"));
}
}
static void print_aux1_program(byte row=0, byte col=0)
{
if( row!=0 || col!=0 ) set_cursor(row, col);
byte b = config_aux1_program();
if( b < 0x40 )
Serial.print(FP(prog_get_name(b)));
else
{
const char *image;
if( b < 0x80 )
image = tdrive_get_image_description(b&0x3f);
else if( b < 0xC0 )
image = drive_get_image_description(b&0x3f);
else
image = hdsk_get_image_description(b&0x3f);
if( image==NULL )
Serial.print(F("none"));
else
Serial.print(image);
}
}
static void print_drive_mounted()
{
byte n = 0;
for(byte i=0; i<NUM_DRIVES; i++)
if( drive_get_mounted_image(i)>0 ) n++;
Serial.print(n); Serial.print(F(" mounted"));
}
static void print_cdrive_mounted()
{
byte n = 0;
for(byte i=0; i<NUM_CDRIVES; i++)
if( cdrive_get_mounted_image(i)>0 ) n++;
Serial.print(n); Serial.print(F(" mounted"));
}
static void print_tdrive_mounted()
{
byte n = 0;
for(byte i=0; i<NUM_TDRIVES; i++)
if( tdrive_get_mounted_image(i)>0 ) n++;
Serial.print(n); Serial.print(F(" mounted"));
}
static void print_drive_mounted_image(byte d)
{
if( d==0 )
Serial.print(F("none"));
else if( drive_get_image_filename(d)==NULL )
{ Serial.print(F("empty disk #")); numsys_print_byte(d); }
else
Serial.print(drive_get_image_description(d));
}
static void print_cdrive_mounted_image(byte d)
{
if( d==0 )
Serial.print(F("none"));
else if( cdrive_get_image_filename(d)==NULL )
{ Serial.print(F("empty disk #")); numsys_print_byte(d); }
else
Serial.print(cdrive_get_image_description(d));
}
static void print_tdrive_mounted_image(byte d)
{
if( d==0 )
Serial.print(F("none"));
else if( tdrive_get_image_filename(d)==NULL )
{ Serial.print(F("empty disk #")); numsys_print_byte(d); }
else
Serial.print(tdrive_get_image_description(d));
}
static void print_hdsk_mounted()
{
byte n = 0;
for(byte i=0; i<NUM_HDSK_UNITS; i++)
for(byte j=0; j<4; j++)
if( hdsk_get_mounted_image(i, j)>0 ) n++;
Serial.print(n); Serial.print(F(" mounted"));
}
static void print_hdsk_mounted_image(byte d)
{
if( d==0 )
Serial.print(F("none"));
else if( hdsk_get_image_filename(d)==NULL )
{ Serial.print(F("empty disk #")); numsys_print_byte(d); }
else
Serial.print(hdsk_get_image_description(d));
}
static void print_printer_type()
{
switch( config_printer_type() )
{
case 0: Serial.print(F("None")); break;
case 1: Serial.print(F("Okidata/88-LPC")); break;
case 2: Serial.print(F("C700")); break;
case 3: Serial.print(F("Generic")); break;
}
}
static void print_parity(byte p)
{
switch( p )
{
case 0 : Serial.print(F("None")); break;
case 1 : Serial.print(F("Even")); break;
case 2 : Serial.print(F("Odd ")); break;
default : Serial.print(F("??? ")); break;
}
}
static void print_mapped_serial_cards()
{
bool mapped = false;
if( config_serial_map_sim_to_host(CSM_SIO)<0xff ) { Serial.print(F("SIO")); mapped = true; }
if( config_serial_map_sim_to_host(CSM_ACR)<0xff ) { if(mapped) Serial.print(','); Serial.print(F("ACR")); mapped = true; }
if( config_serial_map_sim_to_host(CSM_2SIO1)<0xff ) { if(mapped) Serial.print(','); Serial.print(F("2SIO-P1")); mapped = true; }
if( config_serial_map_sim_to_host(CSM_2SIO2)<0xff ) { if(mapped) Serial.print(','); Serial.print(F("2SIO-P2")); mapped = true; }
if( config_serial_map_sim_to_host(CSM_2SIO3)<0xff ) { if(mapped) Serial.print(','); Serial.print(F("2SIO2-P1")); mapped = true; }
if( config_serial_map_sim_to_host(CSM_2SIO4)<0xff ) { if(mapped) Serial.print(','); Serial.print(F("2SIO2-P2")); mapped = true; }
if( !mapped ) Serial.print(F("None"));
}
// --------------------------------------------------------------------------------
static void apply_host_serial_settings(uint32_t settings, uint32_t settings2)
{
config_serial_settings = settings;
config_serial_settings2 = settings2;
for(byte i=0; i<HOST_NUM_SERIAL_PORTS; i++)
host_serial_setup(i, config_host_serial_baud_rate(i),
config_host_serial_config(settings2, i),
config_host_serial_primary()==i);
// mapping for serial devices can have changed if primary serial was changed
for(byte dev=0; dev<NUM_SERIAL_DEVICES; dev++)
config_serial_sim_to_host[dev] = config_map_device_to_host_interface(get_bits(config_serial_device_settings[dev], 17, 3));
}
static byte toggle_host_serial_baud_rate(byte iface, byte n)
{
uint32_t min, max;
if( host_serial_port_baud_limits(iface, &min, &max) )