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Enumerations and math structures for Suzy

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This commit is contained in:
Alex Thissen
2024-08-09 14:48:13 +02:00
committed by Alex Thissen
parent 3553975b02
commit 7150fdf4b9
2 changed files with 152 additions and 217 deletions
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192
include/_suzy.h
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@@ -24,73 +24,62 @@
/* */
/*****************************************************************************/
#ifndef __SUZY_H
#define __SUZY_H
/* Joypad $FCB0 */
#define JOYPAD_RIGHT 0x10
#define JOYPAD_LEFT 0x20
#define JOYPAD_DOWN 0x40
#define JOYPAD_UP 0x80
#define BUTTON_OPTION1 0x08
#define BUTTON_OPTION2 0x04
#define BUTTON_INNER 0x02
#define BUTTON_OUTER 0x01
// JOYSTICK bit definitions
enum {
JOYPAD_RIGHT = 0x10,
JOYPAD_LEFT = 0x20,
JOYPAD_DOWN = 0x40,
JOYPAD_UP = 0x80,
BUTTON_OPTION1 = 0x08,
BUTTON_OPTION2 = 0x04,
BUTTON_INNER = 0x02,
BUTTON_OUTER = 0x01
};
/* Switches $FCB1 */
#define BUTTON_PAUSE 0x01
// SWITCHES bit definitions
enum {
CART1_IO_INACTIVE = 0x04,
CART0_IO_INACTIVE = 0x02,
BUTTON_PAUSE = 0x01
};
// SPRCTL0 bit definitions
enum {
BPP_4 = 0xC0,
BPP_3 = 0x80,
BPP_2 = 0x40,
BPP_1 = 0x00,
HFLIP = 0x20,
VFLIP = 0x10,
TYPE_SHADOW = 0x07,
TYPE_XOR = 0x06,
TYPE_NONCOLL = 0x05,
TYPE_NORMAL = 0x04,
TYPE_BOUNDARY = 0x03,
TYPE_BSHADOW = 0x02,
TYPE_BACKNONCOLL = 0x01,
TYPE_BACKGROUND = 0x00
};
/* Hardware Math */
#define FACTOR_A *(unsigned int *) 0xFC54
#define FACTOR_B *(unsigned int *) 0xFC52
#define PRODUCT0 *(unsigned int *) 0xFC60
#define PRODUCT1 *(unsigned int *) 0xFC62
#define PRODUCT *(long *) 0xFC60
// SPRCTL1 bit definitions
enum {
LITERAL = 0x80,
PACKED = 0x00,
ALGO3 = 0x40,
RENONE = 0x00,
REHV = 0x10,
REHVS = 0x20,
REHVST = 0x30,
REUSEPAL = 0x08,
SKIP = 0x04,
DRAWUP = 0x02,
DRAWLEFT = 0x01
};
#define DIVIDEND0 *(unsigned int *) 0xFC60
#define DIVIDEND1 *(unsigned int *) 0xFC62
#define DIVIDEND *(long *) 0xFC60
#define DIVISOR *(unsigned int *) 0xFC56
#define QUOTIENT0 *(unsigned int *) 0xFC52
#define QUOTIENT1 *(unsigned int *) 0xFC54
#define QUOTIENT *(long *) 0xFC52
#define REMAINDER0 *(unsigned int *) 0xFC6C
#define REMAINDER1 *(unsigned int *) 0xFC6E
#define REMAINDER *(long *) 0xFC6C
/* Sprite control block (SCB) defines */
/* SPRCTL0 $FC80 */
#define BPP_4 0xC0
#define BPP_3 0x80
#define BPP_2 0x40
#define BPP_1 0x00
#define HFLIP 0x20
#define VFLIP 0x10
#define TYPE_SHADOW 0x07
#define TYPE_XOR 0x06
#define TYPE_NONCOLL 0x05
#define TYPE_NORMAL 0x04
#define TYPE_BOUNDARY 0x03
#define TYPE_BSHADOW 0x02
#define TYPE_BACKNONCOLL 0x01
#define TYPE_BACKGROUND 0x00
/* SPRCTL1 $FC81 */
#define LITERAL 0x80
#define PACKED 0x00
#define ALGO3 0x40
#define RENONE 0x00
#define REHV 0x10
#define REHVS 0x20
#define REHVST 0x30
#define REUSEPAL 0x08
#define SKIP 0x04
#define DRAWUP 0x02
#define DRAWLEFT 0x01
// Sprite control block (SCB) definitions
typedef struct SCB_REHVST_PAL { // SCB with all attributes
unsigned char sprctl0;
@@ -210,37 +199,33 @@ typedef struct PENPAL_1 {
unsigned char penpal[1];
} PENPAL_1;
/* Misc system defines */
// SPRGO bit definitions
enum {
SPRITE_GO = 0x01, // sprite process start bit
EVER_ON = 0x04 // everon detector enable
};
/* SPRGO $FC91 */
#define EVER_ON 0x04
#define SPRITE_GO 0x01
/* SPRSYS (write) $FC92 */
#define SIGNMATH 0x80
#define ACCUMULATE 0x40
#define NO_COLLIDE 0x20
#define VSTRETCH 0x10
#define LEFTHAND 0x08
#define CLR_UNSAFE 0x04
#define SPRITESTOP 0x02
/* SPRSYS (read) $FC92 */
#define MATHWORKING 0x80
#define MATHWARNING 0x40
#define MATHCARRY 0x20
#define VSTRETCHING 0x10
#define LEFTHANDED 0x08
#define UNSAFE_ACCESS 0x04
#define SPRITETOSTOP 0x02
#define SPRITEWORKING 0x01
/* MAPCTL $FFF9 */
#define HIGHSPEED 0x80
#define VECTORSPACE 0x08
#define ROMSPACE 0x04
#define MIKEYSPACE 0x02
#define SUZYSPACE 0x01
// SPRSYS bit definitions for write operations
enum {
SIGNMATH = 0x80, // signed math
ACCUMULATE = 0x40, // accumulate multiplication results
NO_COLLIDE = 0x20, // do not collide with any sprites (also SPRCOLL bit definition)
VSTRETCH = 0x10, // stretch v
LEFTHAND = 0x08,
CLR_UNSAFE = 0x04, // unsafe access reset
SPRITESTOP = 0x02 // request to stop sprite process
};
// SPRSYS bit definitions for read operations
enum {
MATHWORKING = 0x80, // math operation in progress
MATHWARNING = 0x40, // accumulator overflow on multiple or divide by zero
MATHCARRY = 0x20, // last carry bit
VSTRETCHING = 0x10,
LEFTHANDED = 0x08,
UNSAFE_ACCESS = 0x04, // unsafe access performed
SPRITETOSTOP = 0x02, // requested to stop
SPRITEWORKING = 0x01 // sprite process is active
};
// Structures for math registers
struct _math_unsigned_multiply {
@@ -348,6 +333,31 @@ struct __suzy {
// 0xFCC5 - 0xFCFF unused
};
// Deprecated definitions
/* Hardware Math */
#define FACTOR_A *(unsigned int *) 0xFC54
#define FACTOR_B *(unsigned int *) 0xFC52
#define PRODUCT0 *(unsigned int *) 0xFC60
#define PRODUCT1 *(unsigned int *) 0xFC62
#define PRODUCT *(long *) 0xFC60
#define DIVIDEND0 *(unsigned int *) 0xFC60
#define DIVIDEND1 *(unsigned int *) 0xFC62
#define DIVIDEND *(long *) 0xFC60
#define DIVISOR *(unsigned int *) 0xFC56
#define QUOTIENT0 *(unsigned int *) 0xFC52
#define QUOTIENT1 *(unsigned int *) 0xFC54
#define QUOTIENT *(long *) 0xFC52
#define REMAINDER0 *(unsigned int *) 0xFC6C
#define REMAINDER1 *(unsigned int *) 0xFC6E
#define REMAINDER *(long *) 0xFC6C
/* MAPCTL $FFF9 */
#define HIGHSPEED 0x80
#define VECTORSPACE 0x08
#define ROMSPACE 0x04
#define MIKEYSPACE 0x02
#define SUZYSPACE 0x01
#endif