1 files changed, 193 insertions, 0 deletions

diff --git a/apps/plugins/zxbox/z80.h b/apps/plugins/zxbox/z80.h
new file mode 100644
index 0000000000..996ea9d294
--- /dev/null
+++ b/apps/plugins/zxbox/z80.h
@@ -0,0 +1,193 @@
+/* 
+ * Copyright (C) 1996-1998 Szeredi Miklos
+ * Email: mszeredi@inf.bme.hu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version. See the file COPYING. 
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef Z80_H
+#define Z80_H
+
+#include "zxconfig.h"
+#include "config.h"
+
+#ifdef ROCKBOX_BIG_ENDIAN
+#define WORDS_BIGENDIAN
+#endif
+
+#ifndef COMPARISON
+#define PRNM(x) z80_ ## x
+#else 
+#define PRNM(x) z80x_ ## x
+#endif
+
+#define DANM(x) PRNM(proc).x
+
+#include "z80_type.h"
+
+
+#ifndef WORDS_BIGENDIAN
+union dregp {
+  struct { byte l, h, _b2, _b3; } s;
+  struct { dbyte d, _d1; }        d;
+  byte*                           p;
+};
+#else
+union dregp {
+  struct { byte _b3, _b2, h, l; } s;
+  struct { dbyte _d1, d; }        d;
+  byte*                           p;
+};
+#endif
+
+#define NUMDREGS  9
+#define BACKDREGS 4
+
+#define PORTNUM 256
+
+/* Do NOT change the order! */
+typedef struct {
+  union dregp nr[NUMDREGS];
+  union dregp br[BACKDREGS];
+  
+  int haltstate;
+  int it_mode;
+  int iff1, iff2;
+  
+  byte *mem;
+
+  int tc;
+  int rl7;
+
+#ifdef SPECT_MEM       /* WARNING: Do NOT change the order!!! */
+  int next_scri;
+  int inport_mask;
+  int ula_inport;
+  int ula_outport;
+  int sound_sam;
+  int sound_change;
+  int imp_change;
+#endif
+
+#ifdef Z80C
+  dbyte cbaddr;
+
+#ifdef PROCP
+  byte *incf_tbl;
+  byte *decf_tbl;
+  byte *addf_tbl;
+  byte *subf_tbl;
+  byte *orf_tbl;
+
+  byte *inports;
+  byte *outports;
+#ifdef SPECT_MEM
+  byte *fe_inport_high;
+#endif
+#endif
+#endif
+
+} Z80;
+
+
+extern Z80 PRNM(proc);
+
+extern byte PRNM(inports)[];
+extern byte PRNM(outports)[];
+
+#define ZI_BC 0
+#define ZI_DE 1
+#define ZI_HL 2
+#define ZI_AF 3
+#define ZI_IR 4
+#define ZI_IX 5
+#define ZI_IY 6
+#define ZI_PC 7
+#define ZI_SP 8
+
+
+#define BC  (DANM(nr)[ZI_BC].d.d)
+#define DE  (DANM(nr)[ZI_DE].d.d)
+#define HL  (DANM(nr)[ZI_HL].d.d)
+#define AF  (DANM(nr)[ZI_AF].d.d)
+#define IR  (DANM(nr)[ZI_IR].d.d)
+#define IX  (DANM(nr)[ZI_IX].d.d)
+#define IY  (DANM(nr)[ZI_IY].d.d)
+#define PC  (DANM(nr)[ZI_PC].d.d)
+#define SP  (DANM(nr)[ZI_SP].d.d)
+
+#define BCP (DANM(nr)[ZI_BC].p)
+#define DEP (DANM(nr)[ZI_DE].p)
+#define HLP (DANM(nr)[ZI_HL].p)
+#define PCP (DANM(nr)[ZI_PC].p)
+#define SPP (DANM(nr)[ZI_SP].p)
+#define IXP (DANM(nr)[ZI_IX].p)
+#define IYP (DANM(nr)[ZI_IY].p)
+
+
+#define RB  (DANM(nr)[ZI_BC].s.h)
+#define RC  (DANM(nr)[ZI_BC].s.l)
+#define RD  (DANM(nr)[ZI_DE].s.h)
+#define RE  (DANM(nr)[ZI_DE].s.l)
+#define RH  (DANM(nr)[ZI_HL].s.h)
+#define RL  (DANM(nr)[ZI_HL].s.l)
+#define RA  (DANM(nr)[ZI_AF].s.h)
+#define RF  (DANM(nr)[ZI_AF].s.l)
+#define RI  (DANM(nr)[ZI_IR].s.h)
+#define RR  (DANM(nr)[ZI_IR].s.l)
+#define XH  (DANM(nr)[ZI_IX].s.h)
+#define XL  (DANM(nr)[ZI_IX].s.l)
+#define YH  (DANM(nr)[ZI_IY].s.h)
+#define YL  (DANM(nr)[ZI_IY].s.l)
+#define PCH (DANM(nr)[ZI_PC].s.h)
+#define PCL (DANM(nr)[ZI_PC].s.l)
+#define SPH (DANM(nr)[ZI_SP].s.h)
+#define SPL (DANM(nr)[ZI_SP].s.l)
+
+#define BCBK (DANM(br)[ZI_BC].d.d)
+#define DEBK (DANM(br)[ZI_DE].d.d)
+#define HLBK (DANM(br)[ZI_HL].d.d)
+#define AFBK (DANM(br)[ZI_AF].d.d)
+
+#define BBK  (DANM(br)[ZI_BC].s.h)
+#define CBK  (DANM(br)[ZI_BC].s.l)
+#define DBK  (DANM(br)[ZI_DE].s.h)
+#define EBK  (DANM(br)[ZI_DE].s.l)
+#define HBK  (DANM(br)[ZI_HL].s.h)
+#define LBK  (DANM(br)[ZI_HL].s.l)
+#define ABK  (DANM(br)[ZI_AF].s.h)
+#define FBK  (DANM(br)[ZI_AF].s.l)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ 
+extern void PRNM(init)(void);
+extern int  PRNM(step)(int ticknum);
+
+extern void PRNM(interrupt)(int data);
+extern void PRNM(nmi)(void);
+extern void PRNM(reset)(void);
+
+extern void PRNM(pushpc)(void);
+extern void PRNM(local_init)(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* Z80_H */