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diff system.h @ 1117:928a65750345

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Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
author Michael Pavone <pavone@retrodev.com>
date Thu, 22 Dec 2016 19:51:25 -0800
parents 45db303fc705
children 4490c9c12272
line wrap: on
line diff
--- a/system.h	Thu Dec 22 10:51:33 2016 -0800
+++ b/system.h	Thu Dec 22 19:51:25 2016 -0800
@@ -19,6 +19,7 @@
 } debugger_type;
 
 typedef void (*system_fun)(system_header *);
+typedef uint16_t (*system_fun_r16)(system_header *);
 typedef void (*start_system_fun)(system_header *, char *);
 typedef void (*speed_system_fun)(system_header *, uint32_t);
 
@@ -30,6 +31,7 @@
 	system_fun        persist_save;
 	system_fun        request_exit;
 	system_fun        free_context;
+	system_fun_r16    get_open_bus_value;
 	speed_system_fun  set_speed_percent;
 	system_fun        inc_debug_mode;
 	system_fun        inc_debug_pal;