void
scld_dec_write( libspectrum_word port GCC_UNUSED, libspectrum_byte b )
{
scld old_dec = scld_last_dec;
scld new_dec;
libspectrum_byte ink,paper;
/* We use new_dec as we don't want to have the new colours, modes etc.
to take effect until we have updated the critical region */
new_dec.byte = b;
/* If we changed the active screen, or change the colour in hires
* mode, update the critical region and mark the entire display file as
* dirty so we redraw it on the next pass */
if( new_dec.mask.scrnmode != old_dec.mask.scrnmode ||
new_dec.name.hires != old_dec.name.hires ||
( new_dec.name.hires &&
( new_dec.mask.hirescol != old_dec.mask.hirescol ) ) ) {
display_update_critical( 0, 0 );
display_refresh_main_screen();
}
/* Commit change to scld_last_dec */
scld_last_dec = new_dec;
/* If we just reenabled interrupts, check for a retriggered interrupt */
if( old_dec.name.intdisable && !scld_last_dec.name.intdisable )
z80_interrupt();
if( scld_last_dec.name.altmembank != old_dec.name.altmembank )
machine_current->memory_map();
display_parse_attr( hires_get_attr(), &ink, &paper );
display_set_hires_border( paper );
}
static void
z80_interrupt_event_fn( libspectrum_dword tstates, int type, void *user_data )
{
/* Retriggered interrupt; firstly, ignore if we're doing RZX playback
as all interrupts are generated by the RZX code */
if( rzx_playback ) return;
/* Otherwise, see if we actually accept an interrupt. If we do and
we're doing RZX recording, store a frame */
if( z80_interrupt() ) rzx_frame();
}
static void
spectrum_frame_event_fn( libspectrum_dword last_tstates, int type,
void *user_data )
{
if( rzx_playback ) event_force_events();
rzx_frame();
psg_frame();
spectrum_frame();
z80_interrupt();
ui_joystick_poll();
timer_estimate_speed();
debugger_add_time_events();
ui_event();
ui_error_frame();
}
int z80_do_opcode( void )
{
if(z80_iline)
{
if(z80_interrupt())
{
int ret = z80_tstates - last_z80_tstates;
last_z80_tstates = z80_tstates;
return(ret);
}
}
uint8 opcode;
/* Check to see if M1 cycles happen on even z80_tstates */
//if( z80_tstates & 1 )
// z80_tstates++;
//uint16 lastpc = PC;
opcode = Z80_RB_MACRO( PC );
//printf("Z80-op: %04x, %02x\n", PC, opcode);
z80_tstates++;
PC++;
R++;
switch(opcode)
{
#include "opcodes_base.c"
}
int ret = z80_tstates - last_z80_tstates;
last_z80_tstates = z80_tstates;
//printf("PC: %04x, %02x, time=%d\n", lastpc, opcode, ret);
return(ret);
}
