mirror of
https://github.com/cc65/cc65.git
synced 2024-12-27 00:29:31 +00:00
319 lines
11 KiB
C
319 lines
11 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* _suzy.h */
|
|
/* */
|
|
/* Atari Lynx, Suzy chip register hardware structures */
|
|
/* */
|
|
/* */
|
|
/* This software is provided 'as-is', without any expressed or implied */
|
|
/* warranty. In no event will the authors be held liable for any damages */
|
|
/* arising from the use of this software. */
|
|
/* */
|
|
/* Permission is granted to anyone to use this software for any purpose, */
|
|
/* including commercial applications, and to alter it and redistribute it */
|
|
/* freely, subject to the following restrictions: */
|
|
/* */
|
|
/* 1. The origin of this software must not be misrepresented; you must not */
|
|
/* claim that you wrote the original software. If you use this software */
|
|
/* in a product, an acknowledgment in the product documentation would be */
|
|
/* appreciated but is not required. */
|
|
/* 2. Altered source versions must be plainly marked as such, and must not */
|
|
/* be misrepresented as being the original software. */
|
|
/* 3. This notice may not be removed or altered from any source */
|
|
/* distribution. */
|
|
/* */
|
|
/*****************************************************************************/
|
|
|
|
|
|
#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
|
|
|
|
/* Switches $FCB1 */
|
|
#define BUTTON_PAUSE 0x01
|
|
|
|
|
|
/* 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
|
|
|
|
|
|
/* 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
|
|
|
|
typedef struct SCB_REHVST_PAL { // SCB with all attributes
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned int hsize;
|
|
unsigned int vsize;
|
|
unsigned int stretch;
|
|
unsigned int tilt;
|
|
unsigned char penpal[8];
|
|
} SCB_REHVST_PAL;
|
|
|
|
typedef struct SCB_REHVST { // SCB without pallette
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned int hsize;
|
|
unsigned int vsize;
|
|
unsigned int stretch;
|
|
unsigned int tilt;
|
|
} SCB_REHVST;
|
|
|
|
typedef struct SCB_REHV { // SCB without stretch/tilt
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned int hsize;
|
|
unsigned int vsize;
|
|
} SCB_REHV;
|
|
|
|
typedef struct SCB_REHV_PAL { // SCB without str/tilt, w/ penpal
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned int hsize;
|
|
unsigned int vsize;
|
|
unsigned char penpal[8];
|
|
} SCB_REHV_PAL;
|
|
|
|
typedef struct SCB_REHVS { // SCB w/o tilt & penpal
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned int hsize;
|
|
unsigned int vsize;
|
|
unsigned int stretch;
|
|
} SCB_REHVS;
|
|
|
|
typedef struct SCB_REHVS_PAL { // SCB w/o tilt w/penpal
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned int hsize;
|
|
unsigned int vsize;
|
|
unsigned int stretch;
|
|
unsigned char penpal[8];
|
|
} SCB_REHVS_PAL;
|
|
|
|
typedef struct SCB_RENONE { // SCB w/o size/stretch/tilt/pal
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
} SCB_RENONE;
|
|
|
|
typedef struct SCB_RENONE_PAL { // SCB w/o size/str/tilt w/penpal
|
|
unsigned char sprctl0;
|
|
unsigned char sprctl1;
|
|
unsigned char sprcoll;
|
|
char *next;
|
|
unsigned char *data;
|
|
signed int hpos;
|
|
signed int vpos;
|
|
unsigned char penpal[8];
|
|
} SCB_RENONE_PAL;
|
|
|
|
typedef struct PENPAL_4 {
|
|
unsigned char penpal[8];
|
|
} PENPAL_4;
|
|
|
|
typedef struct PENPAL_3 {
|
|
unsigned char penpal[4];
|
|
} PENPAL_3;
|
|
|
|
typedef struct PENPAL_2 {
|
|
unsigned char penpal[2];
|
|
} PENPAL_2;
|
|
|
|
typedef struct PENPAL_1 {
|
|
unsigned char penpal[1];
|
|
} PENPAL_1;
|
|
|
|
/* Misc system defines */
|
|
|
|
/* 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
|
|
|
|
|
|
/* Suzy Hardware Registers */
|
|
struct __suzy {
|
|
unsigned int tmpadr; // 0xFC00 Temporary address
|
|
unsigned int tiltacc; // 0xFC02 Tilt accumulator
|
|
unsigned int hoff; // 0xFC04 Offset to H edge of screen
|
|
unsigned int voff; // 0xFC06 Offset to V edge of screen
|
|
unsigned char *sprbase; // 0xFC08 Base address of sprite
|
|
unsigned char *colbase; // 0xFC0A Base address of collision buffer
|
|
unsigned char *vidadr; // 0xFC0C Current vid buffer address
|
|
unsigned char *coladr; // 0xFC0E Current col buffer address
|
|
unsigned char *scbnext; // 0xFC10 Address of next SCB
|
|
unsigned char *sprdline; // 0xFC12 start of sprite data line address
|
|
unsigned char *hposstrt; // 0xFC14 start hpos
|
|
unsigned char *vposstrt; // 0xFC16 start vpos
|
|
unsigned char *sprhsize; // 0xFC18 sprite h size
|
|
unsigned char *sprvsize; // 0xFC1A sprite v size
|
|
unsigned int stretchl; // 0xFC1C H size adder
|
|
unsigned int tilt; // 0xFC1E H pos adder
|
|
unsigned int sprdoff; // 0xFC20 offset to next sprite data line
|
|
unsigned int sprvpos; // 0xFC22 current vpos
|
|
unsigned int colloff; // 0xFC24 offset to collision depository
|
|
unsigned int vsizeacc; // 0xFC26 vertical size accumulator
|
|
unsigned int hsizeoff; // 0xFC28 horizontal size offset
|
|
unsigned int vsizeoff; // 0xFC2A vertical size offset
|
|
unsigned char *scbaddr; // 0xFC2C address of current SCB
|
|
unsigned char *procaddr; // 0xFC2E address of current spr data proc
|
|
unsigned char unused0[32]; // 0xFC30 - 0xFC4F reserved/unused
|
|
unsigned char unused1[2]; // 0xFC50 - 0xFC51 do not use
|
|
unsigned char mathd; // 0xFC52
|
|
unsigned char mathc; // 0xFC53
|
|
unsigned char mathb; // 0xFC54
|
|
unsigned char matha; // 0xFC55
|
|
unsigned char mathp; // 0xFC56
|
|
unsigned char mathn; // 0xFC57
|
|
unsigned char unused2[8]; // 0xFC58 - 0xFC5F do not use
|
|
unsigned char mathh; // 0xFC60
|
|
unsigned char mathg; // 0xFC61
|
|
unsigned char mathf; // 0xFC62
|
|
unsigned char mathe; // 0xFC63
|
|
unsigned char unused3[8]; // 0xFC64 - 0xFC6B do not use
|
|
unsigned char mathm; // 0xFC6C
|
|
unsigned char mathl; // 0xFC6D
|
|
unsigned char mathk; // 0xFC6E
|
|
unsigned char mathj; // 0xFC6F
|
|
unsigned char unused4[16]; // 0xFC70 - 0xFC7F do not use
|
|
unsigned char sprctl0; // 0xFC80 sprite control bits 0
|
|
unsigned char sprctl1; // 0xFC81 sprite control bits 1
|
|
unsigned char sprcoll; // 0xFC82 sprite collision number
|
|
unsigned char sprinit; // 0xFC83 sprite initialization bits
|
|
unsigned char unused5[4]; // 0xFC84 - 0xFC87 unused
|
|
unsigned char suzyhrev; // 0xFC88 suzy hardware rev
|
|
unsigned char suzysrev; // 0xFC89 suzy software rev
|
|
unsigned char unused6[6]; // 0xFC8A - 0xFC8F unused
|
|
unsigned char suzybusen; // 0xFC90 suzy bus enable
|
|
unsigned char sprgo; // 0xFC91 sprite process start bit
|
|
unsigned char sprsys; // 0xFC92 sprite system control bits
|
|
unsigned char unused7[29]; // 0xFC93 - 0xFCAF unused
|
|
unsigned char joystick; // 0xFCB0 joystick and buttons
|
|
unsigned char switches; // 0xFCB1 other switches
|
|
unsigned char cart0; // 0xFCB2 cart0 r/w
|
|
unsigned char cart1; // 0xFCB3 cart1 r/w
|
|
unsigned char unused8[8]; // 0xFCB4 - 0xFCBF unused
|
|
unsigned char leds; // 0xFCC0 leds
|
|
unsigned char unused9; // 0xFCC1 unused
|
|
unsigned char parstat; // 0xFCC2 parallel port status
|
|
unsigned char pardata; // 0xFCC3 parallel port data
|
|
unsigned char howie; // 0xFCC4 howie (?)
|
|
// 0xFCC5 - 0xFCFF unused
|
|
};
|
|
|
|
|
|
#endif
|
|
|