added VIA

added some more opcodes (SEI, CLI)

1 files changed, 8 insertions, 5 deletions

diff --git a/emu/emul.c b/emu/emul.c
index ac4b64c..21ab58b 100644
--- a/emu/emul.c
+++ b/emu/emul.c
@@ -76,13 +76,14 @@ void emul_start( emul_t *emul )
 
 static void print_help( void )
 {
-	fprintf( stderr, "CPU is paused, press\n"
+	fprintf( stderr, "Keyboard commands, press\n"
 		"(s) for single step\n"
 		"(f) fini (continue to next rts)\n"
 		"(c) for continue running\n"
 		"(b) break to single stepping\n"
 		"(+) speed up\n"
 		"(-) speed down\n"
+		"(p) push the button\n"
 		"(q) or (ESC) for shutting down\n" );
 }
 
@@ -105,6 +106,9 @@ void emul_run( emul_t *emul, int nof_steps )
 			switch( event.type ) {
 				case SDL_KEYDOWN:
 					switch( event.key.keysym.sym ) {
+						case SDLK_h:
+							print_help( );
+							break;
 						case SDLK_ESCAPE:
 						case SDLK_q:
 							done = true;
@@ -138,6 +142,9 @@ void emul_run( emul_t *emul, int nof_steps )
 							}
 							fprintf( stderr, "CPU speed  is %1.6f MHz now\n", ( (double)emul->speed / 1000000 ) );
 							break;
+						case SDLK_p:
+							// TODO:push the push button connected to CA1
+							break;
 					}
 					break;
 				
@@ -153,10 +160,6 @@ void emul_run( emul_t *emul, int nof_steps )
 			SDL_RenderCopy( emul->renderer, emul->background_texture, NULL, NULL );
 
 			emul->bus->base.vtable->draw( emul->bus, emul->renderer );
-			//~ for( int i = 0; i < emul->bus->nof_devices; i++ ) {
-				//~ device_t *device = emul->bus->devices[i].device;
-				//~ device->vtable->draw( device, emul->renderer );
-			//~ }
 
 			SDL_RenderPresent( emul->renderer );