Implement cycle limit in Z80 core.

2 files changed, 10 insertions, 2 deletions

diff --git a/transz80.c b/transz80.c
index 3465efb..680a520 100644
--- a/transz80.c
+++ b/transz80.c
@@ -22,10 +22,13 @@ int main(int argc, char ** argv)
 	init_z80_context(&context, &opts);
 	//cartridge ROM
 	context.mem_pointers[0] = z80_ram;
-	context.target_cycle = 0x7FFFFFFF;
+	context.sync_cycle = context.target_cycle = 0x7FFFFFFF;
 	//work RAM
 	context.mem_pointers[1] = context.mem_pointers[2] = NULL;
 	z80_reset(&context);
-	z80_run(&context);
+	for(;;)
+	{
+		z80_run(&context);
+	}
 	return 0;
 }
diff --git a/z80_to_x86.h b/z80_to_x86.h
index 453f580..7b155a1 100644
--- a/z80_to_x86.h
+++ b/z80_to_x86.h
@@ -37,6 +37,11 @@ typedef struct {
 	uint8_t *         mem_pointers[ZNUM_MEM_AREAS];
 	uint8_t           iff1;
 	uint8_t           iff2;
+	uint16_t          scratch1;
+	uint16_t          scratch2;
+	void *            extra_pc;
+	uint32_t          sync_cycle;
+	uint32_t          int_cycle;
 	native_map_slot * static_code_map;
 	native_map_slot * banked_code_map;
 	void *            options;