wip

vm/bus.h

@@ -0,0 +1,16 @@
+#ifndef VM_BUS_H
+# define VM_BUS_H 1
+
+# include <stddef.h>
+# include <stdint.h>
+
+typedef int (*BusRead)(uint32_t addr, void *data, size_t sz);
+typedef int (*BusWrite)(uint32_t addr, const void *data, size_t sz);
+
+typedef struct
+{
+    BusRead read;
+    BusWrite write;
+} Bus;
+
+#endif /* !VM_BUS_H */

vm/cpu.c

@@ -0,0 +1,7 @@
+#include "cpu.h"
+
+void
+cpu_execute(Cpu *cpu)
+{
+    uint8_t opcode;
+}

vm/cpu.h

@@ -0,0 +1,16 @@
+#ifndef VM_CPU_H
+# define VM_CPU_H 1
+
+# include <stdint.h>
+
+typedef struct
+{
+	uint32_t PC;
+	uint32_t A;
+	uint32_t X;
+	uint32_t Y;
+	uint8_t SR;
+	uint32_t SP;
+} Cpu;
+
+#endif /* !VM_CPU_H */

vm/main.c

@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <stdio.h>
+#include "config.h"
 
 static const char *prg_name;
 
@@ -9,6 +10,12 @@ usage(void)
   printf("Usage: %s [-hV] [-b bios]\n");
 }
 
+void
+version(void)
+{
+  printf("%S v%s\n", PACKAGE_NAME, PACKAGE_VERSION);
+}
+
 int
 main(int argc, char **argv)
 {

vm/vm.h

@@ -0,0 +1,16 @@
+#ifndef VM_VM_H
+# define VM_VM_H 1
+
+# include "cpu.h"
+# include "bus.h"
+
+# define VM_MAX_CPU 8
+
+typedef struct
+{
+	int cpu_count;
+	Cpu cpus[VM_MAX_CPU];
+	Bus bus;
+} Vm;
+
+#endif /* !VM_VM_H */