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First code release

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This commit is contained in:
Philip Smart
2022-02-13 17:29:36 +00:00
parent e7231dcff8
commit 6d3819a9e1
8 changed files with 1114 additions and 450 deletions
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42
main/PS2KeyAdvanced.cpp
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@@ -642,7 +642,7 @@ _ps2mode = 0;
*/
uint16_t translate( void )
{
uint8_t index, length, data;
uint8_t index, length, data, status;
uint16_t retdata;
// get next character
@@ -655,7 +655,17 @@ uint16_t translate( void )
index++;
if( index >= _RX_BUFFER_SIZE )
index = 0;
_tail = index;
// Special handling for PAUSE/BREAK, PAUSE key doesnt send a BREAK code yet MZ machines need SHIFT (hold) -> BREAK to recognise a BREAK, CTRL+BREAK will not work.
// In this case we inject a BREAK code by setting the flag on the received code.
status = (( _rx_buffer[ index ] & 0xFF00 ) >> 8);
if( (status & _E1_MODE) && (status & _BREAK))
{
_rx_buffer[index] &= ~PS2_BREAK;
} else
{
_tail = index;
}
// Get the flags byte break modes etc in this order
data = _rx_buffer[ index ] & 0xFF;
@@ -664,9 +674,9 @@ uint16_t translate( void )
// Catch special case of PAUSE key
if( index & _E1_MODE )
{
return PS2_KEY_PAUSE + _FUNCTION;
return ( (uint16_t)PS2_keystatus << 8 ) | PS2_KEY_PAUSE | PS2_FUNCTION | (status & _BREAK ? 0 : PS2_BREAK);
}
// Ignore anything not actual keycode but command/response
// Return untranslated as valid
if( ( data >= PS2_KC_BAT && data != PS2_KC_LANG1 && data != PS2_KC_LANG2 ) || ( index & _WAIT_RESPONSE ) )
@@ -736,18 +746,26 @@ uint16_t translate( void )
if( PS2_keystatus & _BREAK )
{
PS2_lockstate[ retdata ] = 0; // Set received a break so next make toggles LOCK status
retdata = PS2_KEY_IGNORE; // ignore key
// MZ-2500 uses one make-break cycle to enable and one make-break to disable, so the BREAK is needed.
if(retdata != PS2_KEY_CAPS)
{
retdata = PS2_KEY_IGNORE; // ignore key
}
} else {
if( PS2_lockstate[ retdata ] == 1 )
{
printf("PLEASE REMOVE ME translate: %04x, %d\n", retdata, PS2_lockstate[ retdata ]);
retdata = PS2_KEY_IGNORE; // ignore key if make and not received break
// As per above, MZ-2500 needs both events, so this code changed from original authors.
} else
{
PS2_lockstate[ retdata ] = 1;
switch( retdata )
{
case PS2_KEY_CAPS: index = PS2_LOCK_CAPS;
case PS2_KEY_CAPS:
index = PS2_LOCK_CAPS;
// Set CAPS lock if not set before
if( PS2_keystatus & _CAPS )
{
@@ -757,16 +775,21 @@ uint16_t translate( void )
PS2_keystatus |= _CAPS;
}
break;
case PS2_KEY_SCROLL: index = PS2_LOCK_SCROLL;
case PS2_KEY_SCROLL:
index = PS2_LOCK_SCROLL;
break;
case PS2_KEY_NUM: index = PS2_LOCK_NUM;
case PS2_KEY_NUM:
index = PS2_LOCK_NUM;
break;
}
// Now update PS2_led_lock status to match
if( PS2_led_lock & index )
{
PS2_led_lock &= ~index;
PS2_keystatus |= _BREAK; // send as break
if(index != PS2_LOCK_CAPS)
{
PS2_keystatus |= _BREAK; // send as break
}
} else
{
PS2_led_lock |= index;
@@ -1002,6 +1025,7 @@ while( i < ( _KEY_BUFF_SIZE - 1 ) ) // process if not full
if( keyAvailable( ) ) // not check for more keys to process
{
data = translate( ); // get next translated key
if( data == 0 ) // unless in buffer is empty
break;
if( (data & 0xFF) != PS2_KEY_IGNORE && (data & 0xFF) > 0)