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diff blastem.h @ 351:2f264d2a60c2

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Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
author Mike Pavone <pavone@retrodev.com>
date Tue, 21 May 2013 22:08:59 -0700
parents a8ee7934a1f8
children 15dd6418fe67
line wrap: on
line diff
--- a/blastem.h	Tue May 21 19:26:20 2013 -0700
+++ b/blastem.h	Tue May 21 22:08:59 2013 -0700
@@ -15,11 +15,19 @@
 	uint8_t input[3];
 } io_port;
 
+#define RAM_FLAG_ODD  0x1800
+#define RAM_FLAG_EVEN 0x1000
+#define RAM_FLAG_BOTH 0x0000
+
 typedef struct {
 	m68k_context   *m68k;
 	z80_context    *z80;
 	vdp_context    *vdp;
 	ym2612_context *ym;
+	uint8_t        *save_ram;
+	uint32_t       save_ram_mask;
+	uint32_t       save_flags;
+	uint8_t        bank_regs[8];
 } genesis_context;
 
 #define GAMEPAD_TH0 0