X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcarthw%2Fsvp%2Fssp16.h;h=4f4dfa0098e8aaaa3276910af1eb9449bb09bc81;hb=726bbb3e08e3d4e7ed086a3c98dec0e21a386d75;hp=c2a40602bcea5b92f35de76296d2c7ac639a602d;hpb=f8ef8ff7100baa0ac0ecfcacb47aea3a9e24bc38;p=picodrive.git

diff --git a/Pico/carthw/svp/ssp16.h b/Pico/carthw/svp/ssp16.h
index c2a4060..4f4dfa0 100644
--- a/Pico/carthw/svp/ssp16.h
+++ b/Pico/carthw/svp/ssp16.h
@@ -1,3 +1,10 @@
+// basic, incomplete SSP160x (SSP1601?) interpreter
+
+// (c) Copyright 2008, Grazvydas "notaz" Ignotas
+// Free for non-commercial use.
+
+// For commercial use, separate licencing terms must be obtained.
+
 
 // register names
 enum {
@@ -34,13 +41,24 @@ typedef struct
 		};
 	};
 	unsigned short stack[6];
+	unsigned int pmac_read[6];	// read modes/addrs for PM0-PM5
+	unsigned int pmac_write[6];	// write ...
 	//
-	#define SSP_PMC_HAVE_ADDR 1	// address written to PMAC, waiting for mode
+	#define SSP_PMC_HAVE_ADDR	0x0001	// address written to PMAC, waiting for mode
+	#define SSP_PMC_SET		0x0002	// PMAC is set
+	#define SSP_WAIT_PM0		0x2000	// bit1 in PM0
+	#define SSP_WAIT_30FE06		0x4000	// ssp tight loops on 30FE08 to become non-zero
+	#define SSP_WAIT_30FE08		0x8000	// same for 30FE06
+	#define SSP_WAIT_MASK		0xe000
 	unsigned int emu_status;
-	unsigned int pad[10];
+	unsigned int pad[30];
 } ssp1601_t;
 
 
 void ssp1601_reset(ssp1601_t *ssp);
-void ssp1601_run(ssp1601_t *ssp, int cycles);
+void ssp1601_run(int cycles);
+
+int  ssp1601_dyn_init(void);
+void ssp1601_dyn_reset(ssp1601_t *ssp);
+void ssp1601_dyn_run(int cycles);