X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=lugburz;a=blobdiff_plain;f=src%2Famiga%2Famigalib.h;fp=src%2Famiga%2Famigalib.h;h=6a120691bd6e90153a12a2397b78129ecb48d091;hp=0000000000000000000000000000000000000000;hb=d166ef254c06ffbf7e4bb0450bd7d52e5ea82b0f;hpb=515574f76f8442b756fbbf87b41e340d6a78bc42

diff --git a/src/amiga/amigalib.h b/src/amiga/amigalib.h
new file mode 100644
index 0000000..6a12069
--- /dev/null
+++ b/src/amiga/amigalib.h
@@ -0,0 +1,92 @@
+/* structures and functions necessary to access amiga ROM services */
+#ifndef AMIGALIB_H_
+#define AMIGALIB_H_
+
+#include <stdint.h>
+
+#define ALIB_MEMF_ANY		0L
+#define ALIB_MEMF_PUBLIC	0x0001L
+#define ALIB_MEMF_CHIP		0x0002L
+#define ALIB_MEMF_FAST		0x0004L
+#define ALIB_MEMF_CLEAR		0x0100L
+#define ALIB_MEMF_LARGEST	0x0200L
+#define ALIB_MEMF_REVERSE	0x0400L
+#define ALIB_MEMF_TOTAL		0x0800L
+
+#define ALIB_NODE_COMMON(NODE_TYPE) \
+	NODE_TYPE *n_next; \
+	NODE_TYPE *n_prev; \
+	uint8_t n_type; \
+	int8_t n_prio; \
+	char *n_name
+
+struct alib_memchunk {
+	struct alib_memchunk *next;
+	uint32_t size;
+};
+
+struct alib_memnode {
+	ALIB_NODE_COMMON(struct alib_memnode);
+	uint16_t attrib;
+	struct alib_memchunk *freelist;
+	void *start, *end;
+	uint32_t freesz;
+};
+
+struct alib_memlist {
+	struct alib_memnode *head, *tail, *tailpred;
+	uint8_t type;
+	uint8_t pad;
+};
+
+struct alib_library {
+	ALIB_NODE_COMMON(struct alib_library);
+	uint8_t flags;
+	uint8_t pad;
+	uint16_t negsz, possz;
+	uint16_t ver_major, ver_minor;
+	char *idstr;
+	uint32_t csum;
+	uint16_t nref;
+};
+
+struct alib_intvec {
+	void *data;
+	void (*code)();
+	ALIB_NODE_COMMON(struct alib_intvec);
+};
+
+struct alib_execbase {
+	struct alib_library lib;
+	uint16_t softver;
+	int16_t lowmem_csum;
+	uint32_t chkbase;
+	void *coldcap_vect, *coolcap_vect, *warmcap_vect;
+	void *sysstack_upper, *sysstack_lower;
+	uint32_t chipmem_top;
+	void *dbg_entry, *dbg_data, *alert_data;
+	void *extmem_top;
+	uint16_t csum;
+
+	struct alib_intvec intvec[16];
+
+	void *curtask;
+	uint32_t idle_count, disp_count;
+	uint16_t tmslice, nticks;
+	uint16_t sysflags;
+	int8_t intr_dis_nest, task_dis_nest;
+	uint16_t attn_flags, attn_resched;
+	void *resmod;
+	void *tasktrap, *taskexcept, *taks_exit;
+	uint32_t task_sig_alloc;
+	uint16_t task_trap_alloc;
+
+	struct alib_memlist memlist;
+	/* ... more ... */
+};
+
+struct alib_execbase *execbase;
+
+int alib_init(void);
+
+#endif	/* AMIGALIB_H_ */