Added the VM player using SDL

- Wired basic functionality (fram-buffer, frame interrupt)
- Bug fixes in the assembler

1 files changed, 8 insertions, 2 deletions

diff --git a/vm.h b/vm.h
index c35596d..4664168 100644
--- a/vm.h
+++ b/vm.h
@@ -25,18 +25,24 @@
 #ifndef _TR8_H
 #define _TR8_H
 
+#define VIDEO_RAM 0xbf00
+#define FRAME_INT_VECT 0xff00
+
 typedef struct
 {
     uint16_t pc;
     uint16_t sp;
     uint16_t ssp;
     uint8_t f;
+    uint8_t intr;
     uint8_t regs[4];
-    uint8_t *ram;
     uint32_t icnt;
+    void (*write_m)(uint16_t, uint8_t);
+    uint8_t (*read_m)(uint16_t);
 } Tr8;
 
-void tr8_init(Tr8 *vm, uint8_t *ram);
+void tr8_init(Tr8 *vm, void (*write_m)(uint16_t, uint8_t), uint8_t (*read_m)(uint16_t));
 uint8_t tr8_eval(Tr8 *vm);
+uint8_t tr8_frame_int(Tr8 *vm);
 
 #endif /* _TR8_H */