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Start working on GTE

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allkern
2023-10-14 21:22:53 -03:00
parent c37b72fb7f
commit 155426cb96
2 changed files with 613 additions and 192 deletions
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psx/cpu.c
+552 -172
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File diff suppressed because it is too large Load Diff
psx/cpu.h
+61 -20
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@@ -64,7 +64,43 @@ typedef void (*psx_cpu_kcall_hook_t)(psx_cpu_t*);
- hi,lo Multiply/divide results, may be changed by subroutines
*/
struct psx_cpu_t {
typedef struct __attribute__((__packed__)) {
union {
uint32_t xy;
uint16_t p[2];
};
int16_t z;
} gte_vertex_t;
typedef struct __attribute__((__packed__)) {
union {
int32_t xy;
int16_t p[2];
};
} gte_vec2_t;
typedef struct __attribute__((__packed__)) {
int32_t x, y, z;
} gte_vec3_t;
typedef struct __attribute__((__packed__)) {
union {
uint32_t rgbc;
uint8_t c[4];
};
} gte_color_t;
typedef struct __attribute__((__packed__)) {
union {
uint32_t u32;
uint16_t c[2];
} m[4];
int16_t m33;
} gte_matrix_t;
struct __attribute__((__packed__)) psx_cpu_t {
uint32_t r[32];
uint32_t opcode;
uint32_t pc, next_pc, saved_pc;
@@ -77,34 +113,39 @@ struct psx_cpu_t {
uint32_t cop0_r[16];
struct {
int16_t v0[4], v1[4], v2[4];
uint32_t rgbc;
uint32_t otz;
uint32_t ir0, ir1, ir2, ir3;
int16_t sxy0[2], sxy1[2], sxy2[2], sxyp[2];
uint32_t sz0, sz1, sz2, sz3;
uint32_t rgb0, rgb1, rgb2;
gte_vertex_t v[3];
gte_color_t rgbc;
uint16_t otz;
int16_t ir[4];
gte_vec2_t sxy[4];
uint16_t sz[4];
gte_color_t rgb[3];
uint32_t res1;
int32_t mac0, mac1, mac2, mac3;
uint32_t irgb, orgb;
int32_t mac[4];
uint16_t irgb, orgb;
int32_t lzcs, lzcr;
} cop2_dr;
struct {
int16_t rt[3 * 3];
uint32_t trx, try, trz;
int16_t l[3 * 3];
uint32_t rbk, gbk, bbk;
int16_t lr[3 * 3];
uint32_t rfc, gfc, bfc;
gte_matrix_t rt;
gte_vec3_t tr;
gte_matrix_t l;
gte_vec3_t bk;
gte_matrix_t lr;
gte_vec3_t fc;
uint32_t ofx, ofy;
uint32_t h;
uint32_t dqa, dqb;
uint32_t zsf3, zsf4;
uint16_t h;
int16_t dqa;
int32_t dqb;
int16_t zsf3, zsf4;
uint32_t flag;
} cop2_cr;
uint32_t cop2_flag;
int gte_lm;
int gte_sf;
int gte_mmat;
int gte_mvec;
int gte_tvec;
psx_bus_t* bus;