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lowercasing filenames, part3

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@576 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2008-08-28 12:36:57 +00:00
parent d158df697d
commit 1cfc5cc4ce
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72
pico/carthw/svp/ssp16.h Normal file
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// 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 {
SSP_GR0, SSP_X, SSP_Y, SSP_A,
SSP_ST, SSP_STACK, SSP_PC, SSP_P,
SSP_PM0, SSP_PM1, SSP_PM2, SSP_XST,
SSP_PM4, SSP_gr13, SSP_PMC, SSP_AL
};
typedef union
{
unsigned int v;
struct {
unsigned short l;
unsigned short h;
};
} ssp_reg_t;
typedef struct
{
union {
unsigned short RAM[256*2]; // 000 2 internal RAM banks
struct {
unsigned short RAM0[256];
unsigned short RAM1[256];
};
};
ssp_reg_t gr[16]; // 400 general registers
union {
unsigned char r[8]; // 440 BANK pointers
struct {
unsigned char r0[4];
unsigned char r1[4];
};
};
unsigned short stack[6]; // 448
unsigned int pmac_read[6]; // 454 read modes/addrs for PM0-PM5
unsigned int pmac_write[6]; // 46c write ...
//
#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 30FE06 to become non-zero
#define SSP_WAIT_30FE08 0x8000 // same for 30FE06
#define SSP_WAIT_MASK 0xe000
unsigned int emu_status; // 484
/* used by recompiler only: */
struct {
unsigned int ptr_rom; // 488
unsigned int ptr_iram_rom; // 48c
unsigned int ptr_dram; // 490
unsigned int iram_dirty; // 494
unsigned int iram_context; // 498
unsigned int ptr_btable; // 49c
unsigned int ptr_btable_iram; // 4a0
unsigned int tmp0; // 4a4
unsigned int tmp1; // 4a8
unsigned int tmp2; // 4ac
} drc;
} ssp1601_t;
void ssp1601_reset(ssp1601_t *ssp);
void ssp1601_run(int cycles);