summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/cpu/z80/z80dasm.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/emu/cpu/z80/z80dasm.c')
-rw-r--r--src/emu/cpu/z80/z80dasm.c543
1 files changed, 543 insertions, 0 deletions
diff --git a/src/emu/cpu/z80/z80dasm.c b/src/emu/cpu/z80/z80dasm.c
new file mode 100644
index 00000000000..6070f8cce33
--- /dev/null
+++ b/src/emu/cpu/z80/z80dasm.c
@@ -0,0 +1,543 @@
+/*****************************************************************************
+ *
+ * z80dasm.c
+ * Portable Z80 disassembler
+ *
+ * Copyright (C) 1998 Juergen Buchmueller, all rights reserved.
+ *
+ * - This source code is released as freeware for non-commercial purposes.
+ * - You are free to use and redistribute this code in modified or
+ * unmodified form, provided you list me in the credits.
+ * - If you modify this source code, you must add a notice to each modified
+ * source file that it has been changed. If you're a nice person, you
+ * will clearly mark each change too. :)
+ * - If you wish to use this for commercial purposes, please contact me at
+ * pullmoll@t-online.de
+ * - The author of this copywritten work reserves the right to change the
+ * terms of its usage and license at any time, including retroactively
+ * - This entire notice must remain in the source code.
+ *
+ *****************************************************************************/
+
+#include "debugger.h"
+#include "z80.h"
+
+enum e_mnemonics
+{
+ zADC ,zADD ,zAND ,zBIT ,zCALL ,zCCF ,zCP ,zCPD ,
+ zCPDR ,zCPI ,zCPIR ,zCPL ,zDAA ,zDB ,zDEC ,zDI ,
+ zDJNZ ,zEI ,zEX ,zEXX ,zHLT ,zIM ,zIN ,zINC ,
+ zIND ,zINDR ,zINI ,zINIR ,zJP ,zJR ,zLD ,zLDD ,
+ zLDDR ,zLDI ,zLDIR ,zNEG ,zNOP ,zOR ,zOTDR ,zOTIR ,
+ zOUT ,zOUTD ,zOUTI ,zPOP ,zPUSH ,zRES ,zRET ,zRETI ,
+ zRETN ,zRL ,zRLA ,zRLC ,zRLCA ,zRLD ,zRR ,zRRA ,
+ zRRC ,zRRCA ,zRRD ,zRST ,zSBC ,zSCF ,zSET ,zSLA ,
+ zSLL ,zSRA ,zSRL ,zSUB ,zXOR
+};
+
+static const char *s_mnemonic[] =
+{
+ "adc" ,"add" ,"and" ,"bit" ,"call","ccf" ,"cp" ,"cpd" ,
+ "cpdr","cpi" ,"cpir","cpl" ,"daa" ,"db" ,"dec" ,"di" ,
+ "djnz","ei" ,"ex" ,"exx" ,"halt","im" ,"in" ,"inc" ,
+ "ind" ,"indr","ini" ,"inir","jp" ,"jr" ,"ld" ,"ldd" ,
+ "lddr","ldi" ,"ldir","neg" ,"nop" ,"or" ,"otdr","otir",
+ "out" ,"outd","outi","pop" ,"push","res" ,"ret" ,"reti",
+ "retn","rl" ,"rla" ,"rlc" ,"rlca","rld" ,"rr" ,"rra" ,
+ "rrc" ,"rrca","rrd" ,"rst" ,"sbc" ,"scf" ,"set" ,"sla" ,
+ "sll" ,"sra" ,"srl" ,"sub" ,"xor "
+};
+
+#define _OVER DASMFLAG_STEP_OVER
+#define _OUT DASMFLAG_STEP_OUT
+
+static const UINT32 s_flags[] =
+{
+ 0 ,0 ,0 ,0 ,_OVER,0 ,0 ,0 ,
+ _OVER,0 ,_OVER,0 ,0 ,0 ,0 ,0 ,
+ _OVER,0 ,0 ,0 ,_OVER,0 ,0 ,0 ,
+ 0 ,_OVER,0 ,_OVER,0 ,0 ,0 ,0 ,
+ _OVER,0 ,_OVER,0 ,0 ,0 ,_OVER,_OVER,
+ 0 ,0 ,0 ,0 ,0 ,0 ,_OUT ,_OUT ,
+ _OUT ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,
+ 0 ,0 ,0 ,_OVER,0 ,0 ,0 ,0 ,
+ 0 ,0 ,0 ,0 ,0
+};
+
+typedef struct
+{
+ UINT8 mnemonic;
+ const char *arguments;
+} z80dasm;
+
+static const z80dasm mnemonic_xx_cb[256] =
+{
+ {zRLC,"b=Y"}, {zRLC,"c=Y"}, {zRLC,"d=Y"}, {zRLC,"e=Y"},
+ {zRLC,"h=Y"}, {zRLC,"l=Y"}, {zRLC,"Y"}, {zRLC,"a=Y"},
+ {zRRC,"b=Y"}, {zRRC,"c=Y"}, {zRRC,"d=Y"}, {zRRC,"e=Y"},
+ {zRRC,"h=Y"}, {zRRC,"l=Y"}, {zRRC,"Y"}, {zRRC,"a=Y"},
+ {zRL,"b=Y"}, {zRL,"c=Y"}, {zRL,"d=Y"}, {zRL,"e=Y"},
+ {zRL,"h=Y"}, {zRL,"l=Y"}, {zRL,"Y"}, {zRL,"a=Y"},
+ {zRR,"b=Y"}, {zRR,"c=Y"}, {zRR,"d=Y"}, {zRR,"e=Y"},
+ {zRR,"h=Y"}, {zRR,"l=Y"}, {zRR,"Y"}, {zRR,"a=Y"},
+ {zSLA,"b=Y"}, {zSLA,"c=Y"}, {zSLA,"d=Y"}, {zSLA,"e=Y"},
+ {zSLA,"h=Y"}, {zSLA,"l=Y"}, {zSLA,"Y"}, {zSLA,"a=Y"},
+ {zSRA,"b=Y"}, {zSRA,"c=Y"}, {zSRA,"d=Y"}, {zSRA,"e=Y"},
+ {zSRA,"h=Y"}, {zSRA,"l=Y"}, {zSRA,"Y"}, {zSRA,"a=Y"},
+ {zSLL,"b=Y"}, {zSLL,"c=Y"}, {zSLL,"d=Y"}, {zSLL,"e=Y"},
+ {zSLL,"h=Y"}, {zSLL,"l=Y"}, {zSLL,"Y"}, {zSLL,"a=Y"},
+ {zSRL,"b=Y"}, {zSRL,"c=Y"}, {zSRL,"d=Y"}, {zSRL,"e=Y"},
+ {zSRL,"h=Y"}, {zSRL,"l=Y"}, {zSRL,"Y"}, {zSRL,"a=Y"},
+ {zBIT,"b=0,Y"}, {zBIT,"c=0,Y"}, {zBIT,"d=0,Y"}, {zBIT,"e=0,Y"},
+ {zBIT,"h=0,Y"}, {zBIT,"l=0,Y"}, {zBIT,"0,Y"}, {zBIT,"a=0,Y"},
+ {zBIT,"b=1,Y"}, {zBIT,"c=1,Y"}, {zBIT,"d=1,Y"}, {zBIT,"e=1,Y"},
+ {zBIT,"h=1,Y"}, {zBIT,"l=1,Y"}, {zBIT,"1,Y"}, {zBIT,"a=1,Y"},
+ {zBIT,"b=2,Y"}, {zBIT,"c=2,Y"}, {zBIT,"d=2,Y"}, {zBIT,"e=2,Y"},
+ {zBIT,"h=2,Y"}, {zBIT,"l=2,Y"}, {zBIT,"2,Y"}, {zBIT,"a=2,Y"},
+ {zBIT,"b=3,Y"}, {zBIT,"c=3,Y"}, {zBIT,"d=3,Y"}, {zBIT,"e=3,Y"},
+ {zBIT,"h=3,Y"}, {zBIT,"l=3,Y"}, {zBIT,"3,Y"}, {zBIT,"a=3,Y"},
+ {zBIT,"b=4,Y"}, {zBIT,"c=4,Y"}, {zBIT,"d=4,Y"}, {zBIT,"e=4,Y"},
+ {zBIT,"h=4,Y"}, {zBIT,"l=4,Y"}, {zBIT,"4,Y"}, {zBIT,"a=4,Y"},
+ {zBIT,"b=5,Y"}, {zBIT,"c=5,Y"}, {zBIT,"d=5,Y"}, {zBIT,"e=5,Y"},
+ {zBIT,"h=5,Y"}, {zBIT,"l=5,Y"}, {zBIT,"5,Y"}, {zBIT,"a=5,Y"},
+ {zBIT,"b=6,Y"}, {zBIT,"c=6,Y"}, {zBIT,"d=6,Y"}, {zBIT,"e=6,Y"},
+ {zBIT,"h=6,Y"}, {zBIT,"l=6,Y"}, {zBIT,"6,Y"}, {zBIT,"a=6,Y"},
+ {zBIT,"b=7,Y"}, {zBIT,"c=7,Y"}, {zBIT,"d=7,Y"}, {zBIT,"e=7,Y"},
+ {zBIT,"h=7,Y"}, {zBIT,"l=7,Y"}, {zBIT,"7,Y"}, {zBIT,"a=7,Y"},
+ {zRES,"b=0,Y"}, {zRES,"c=0,Y"}, {zRES,"d=0,Y"}, {zRES,"e=0,Y"},
+ {zRES,"h=0,Y"}, {zRES,"l=0,Y"}, {zRES,"0,Y"}, {zRES,"a=0,Y"},
+ {zRES,"b=1,Y"}, {zRES,"c=1,Y"}, {zRES,"d=1,Y"}, {zRES,"e=1,Y"},
+ {zRES,"h=1,Y"}, {zRES,"l=1,Y"}, {zRES,"1,Y"}, {zRES,"a=1,Y"},
+ {zRES,"b=2,Y"}, {zRES,"c=2,Y"}, {zRES,"d=2,Y"}, {zRES,"e=2,Y"},
+ {zRES,"h=2,Y"}, {zRES,"l=2,Y"}, {zRES,"2,Y"}, {zRES,"a=2,Y"},
+ {zRES,"b=3,Y"}, {zRES,"c=3,Y"}, {zRES,"d=3,Y"}, {zRES,"e=3,Y"},
+ {zRES,"h=3,Y"}, {zRES,"l=3,Y"}, {zRES,"3,Y"}, {zRES,"a=3,Y"},
+ {zRES,"b=4,Y"}, {zRES,"c=4,Y"}, {zRES,"d=4,Y"}, {zRES,"e=4,Y"},
+ {zRES,"h=4,Y"}, {zRES,"l=4,Y"}, {zRES,"4,Y"}, {zRES,"a=4,Y"},
+ {zRES,"b=5,Y"}, {zRES,"c=5,Y"}, {zRES,"d=5,Y"}, {zRES,"e=5,Y"},
+ {zRES,"h=5,Y"}, {zRES,"l=5,Y"}, {zRES,"5,Y"}, {zRES,"a=5,Y"},
+ {zRES,"b=6,Y"}, {zRES,"c=6,Y"}, {zRES,"d=6,Y"}, {zRES,"e=6,Y"},
+ {zRES,"h=6,Y"}, {zRES,"l=6,Y"}, {zRES,"6,Y"}, {zRES,"a=6,Y"},
+ {zRES,"b=7,Y"}, {zRES,"c=7,Y"}, {zRES,"d=7,Y"}, {zRES,"e=7,Y"},
+ {zRES,"h=7,Y"}, {zRES,"l=7,Y"}, {zRES,"7,Y"}, {zRES,"a=7,Y"},
+ {zSET,"b=0,Y"}, {zSET,"c=0,Y"}, {zSET,"d=0,Y"}, {zSET,"e=0,Y"},
+ {zSET,"h=0,Y"}, {zSET,"l=0,Y"}, {zSET,"0,Y"}, {zSET,"a=0,Y"},
+ {zSET,"b=1,Y"}, {zSET,"c=1,Y"}, {zSET,"d=1,Y"}, {zSET,"e=1,Y"},
+ {zSET,"h=1,Y"}, {zSET,"l=1,Y"}, {zSET,"1,Y"}, {zSET,"a=1,Y"},
+ {zSET,"b=2,Y"}, {zSET,"c=2,Y"}, {zSET,"d=2,Y"}, {zSET,"e=2,Y"},
+ {zSET,"h=2,Y"}, {zSET,"l=2,Y"}, {zSET,"2,Y"}, {zSET,"a=2,Y"},
+ {zSET,"b=3,Y"}, {zSET,"c=3,Y"}, {zSET,"d=3,Y"}, {zSET,"e=3,Y"},
+ {zSET,"h=3,Y"}, {zSET,"l=3,Y"}, {zSET,"3,Y"}, {zSET,"a=3,Y"},
+ {zSET,"b=4,Y"}, {zSET,"c=4,Y"}, {zSET,"d=4,Y"}, {zSET,"e=4,Y"},
+ {zSET,"h=4,Y"}, {zSET,"l=4,Y"}, {zSET,"4,Y"}, {zSET,"a=4,Y"},
+ {zSET,"b=5,Y"}, {zSET,"c=5,Y"}, {zSET,"d=5,Y"}, {zSET,"e=5,Y"},
+ {zSET,"h=5,Y"}, {zSET,"l=5,Y"}, {zSET,"5,Y"}, {zSET,"a=5,Y"},
+ {zSET,"b=6,Y"}, {zSET,"c=6,Y"}, {zSET,"d=6,Y"}, {zSET,"e=6,Y"},
+ {zSET,"h=6,Y"}, {zSET,"l=6,Y"}, {zSET,"6,Y"}, {zSET,"a=6,Y"},
+ {zSET,"b=7,Y"}, {zSET,"c=7,Y"}, {zSET,"d=7,Y"}, {zSET,"e=7,Y"},
+ {zSET,"h=7,Y"}, {zSET,"l=7,Y"}, {zSET,"7,Y"}, {zSET,"a=7,Y"}
+};
+
+static const z80dasm mnemonic_cb[256] =
+{
+ {zRLC,"b"}, {zRLC,"c"}, {zRLC,"d"}, {zRLC,"e"},
+ {zRLC,"h"}, {zRLC,"l"}, {zRLC,"(hl)"}, {zRLC,"a"},
+ {zRRC,"b"}, {zRRC,"c"}, {zRRC,"d"}, {zRRC,"e"},
+ {zRRC,"h"}, {zRRC,"l"}, {zRRC,"(hl)"}, {zRRC,"a"},
+ {zRL,"b"}, {zRL,"c"}, {zRL,"d"}, {zRL,"e"},
+ {zRL,"h"}, {zRL,"l"}, {zRL,"(hl)"}, {zRL,"a"},
+ {zRR,"b"}, {zRR,"c"}, {zRR,"d"}, {zRR,"e"},
+ {zRR,"h"}, {zRR,"l"}, {zRR,"(hl)"}, {zRR,"a"},
+ {zSLA,"b"}, {zSLA,"c"}, {zSLA,"d"}, {zSLA,"e"},
+ {zSLA,"h"}, {zSLA,"l"}, {zSLA,"(hl)"}, {zSLA,"a"},
+ {zSRA,"b"}, {zSRA,"c"}, {zSRA,"d"}, {zSRA,"e"},
+ {zSRA,"h"}, {zSRA,"l"}, {zSRA,"(hl)"}, {zSRA,"a"},
+ {zSLL,"b"}, {zSLL,"c"}, {zSLL,"d"}, {zSLL,"e"},
+ {zSLL,"h"}, {zSLL,"l"}, {zSLL,"(hl)"}, {zSLL,"a"},
+ {zSRL,"b"}, {zSRL,"c"}, {zSRL,"d"}, {zSRL,"e"},
+ {zSRL,"h"}, {zSRL,"l"}, {zSRL,"(hl)"}, {zSRL,"a"},
+ {zBIT,"0,b"}, {zBIT,"0,c"}, {zBIT,"0,d"}, {zBIT,"0,e"},
+ {zBIT,"0,h"}, {zBIT,"0,l"}, {zBIT,"0,(hl)"},{zBIT,"0,a"},
+ {zBIT,"1,b"}, {zBIT,"1,c"}, {zBIT,"1,d"}, {zBIT,"1,e"},
+ {zBIT,"1,h"}, {zBIT,"1,l"}, {zBIT,"1,(hl)"},{zBIT,"1,a"},
+ {zBIT,"2,b"}, {zBIT,"2,c"}, {zBIT,"2,d"}, {zBIT,"2,e"},
+ {zBIT,"2,h"}, {zBIT,"2,l"}, {zBIT,"2,(hl)"},{zBIT,"2,a"},
+ {zBIT,"3,b"}, {zBIT,"3,c"}, {zBIT,"3,d"}, {zBIT,"3,e"},
+ {zBIT,"3,h"}, {zBIT,"3,l"}, {zBIT,"3,(hl)"},{zBIT,"3,a"},
+ {zBIT,"4,b"}, {zBIT,"4,c"}, {zBIT,"4,d"}, {zBIT,"4,e"},
+ {zBIT,"4,h"}, {zBIT,"4,l"}, {zBIT,"4,(hl)"},{zBIT,"4,a"},
+ {zBIT,"5,b"}, {zBIT,"5,c"}, {zBIT,"5,d"}, {zBIT,"5,e"},
+ {zBIT,"5,h"}, {zBIT,"5,l"}, {zBIT,"5,(hl)"},{zBIT,"5,a"},
+ {zBIT,"6,b"}, {zBIT,"6,c"}, {zBIT,"6,d"}, {zBIT,"6,e"},
+ {zBIT,"6,h"}, {zBIT,"6,l"}, {zBIT,"6,(hl)"},{zBIT,"6,a"},
+ {zBIT,"7,b"}, {zBIT,"7,c"}, {zBIT,"7,d"}, {zBIT,"7,e"},
+ {zBIT,"7,h"}, {zBIT,"7,l"}, {zBIT,"7,(hl)"},{zBIT,"7,a"},
+ {zRES,"0,b"}, {zRES,"0,c"}, {zRES,"0,d"}, {zRES,"0,e"},
+ {zRES,"0,h"}, {zRES,"0,l"}, {zRES,"0,(hl)"},{zRES,"0,a"},
+ {zRES,"1,b"}, {zRES,"1,c"}, {zRES,"1,d"}, {zRES,"1,e"},
+ {zRES,"1,h"}, {zRES,"1,l"}, {zRES,"1,(hl)"},{zRES,"1,a"},
+ {zRES,"2,b"}, {zRES,"2,c"}, {zRES,"2,d"}, {zRES,"2,e"},
+ {zRES,"2,h"}, {zRES,"2,l"}, {zRES,"2,(hl)"},{zRES,"2,a"},
+ {zRES,"3,b"}, {zRES,"3,c"}, {zRES,"3,d"}, {zRES,"3,e"},
+ {zRES,"3,h"}, {zRES,"3,l"}, {zRES,"3,(hl)"},{zRES,"3,a"},
+ {zRES,"4,b"}, {zRES,"4,c"}, {zRES,"4,d"}, {zRES,"4,e"},
+ {zRES,"4,h"}, {zRES,"4,l"}, {zRES,"4,(hl)"},{zRES,"4,a"},
+ {zRES,"5,b"}, {zRES,"5,c"}, {zRES,"5,d"}, {zRES,"5,e"},
+ {zRES,"5,h"}, {zRES,"5,l"}, {zRES,"5,(hl)"},{zRES,"5,a"},
+ {zRES,"6,b"}, {zRES,"6,c"}, {zRES,"6,d"}, {zRES,"6,e"},
+ {zRES,"6,h"}, {zRES,"6,l"}, {zRES,"6,(hl)"},{zRES,"6,a"},
+ {zRES,"7,b"}, {zRES,"7,c"}, {zRES,"7,d"}, {zRES,"7,e"},
+ {zRES,"7,h"}, {zRES,"7,l"}, {zRES,"7,(hl)"},{zRES,"7,a"},
+ {zSET,"0,b"}, {zSET,"0,c"}, {zSET,"0,d"}, {zSET,"0,e"},
+ {zSET,"0,h"}, {zSET,"0,l"}, {zSET,"0,(hl)"},{zSET,"0,a"},
+ {zSET,"1,b"}, {zSET,"1,c"}, {zSET,"1,d"}, {zSET,"1,e"},
+ {zSET,"1,h"}, {zSET,"1,l"}, {zSET,"1,(hl)"},{zSET,"1,a"},
+ {zSET,"2,b"}, {zSET,"2,c"}, {zSET,"2,d"}, {zSET,"2,e"},
+ {zSET,"2,h"}, {zSET,"2,l"}, {zSET,"2,(hl)"},{zSET,"2,a"},
+ {zSET,"3,b"}, {zSET,"3,c"}, {zSET,"3,d"}, {zSET,"3,e"},
+ {zSET,"3,h"}, {zSET,"3,l"}, {zSET,"3,(hl)"},{zSET,"3,a"},
+ {zSET,"4,b"}, {zSET,"4,c"}, {zSET,"4,d"}, {zSET,"4,e"},
+ {zSET,"4,h"}, {zSET,"4,l"}, {zSET,"4,(hl)"},{zSET,"4,a"},
+ {zSET,"5,b"}, {zSET,"5,c"}, {zSET,"5,d"}, {zSET,"5,e"},
+ {zSET,"5,h"}, {zSET,"5,l"}, {zSET,"5,(hl)"},{zSET,"5,a"},
+ {zSET,"6,b"}, {zSET,"6,c"}, {zSET,"6,d"}, {zSET,"6,e"},
+ {zSET,"6,h"}, {zSET,"6,l"}, {zSET,"6,(hl)"},{zSET,"6,a"},
+ {zSET,"7,b"}, {zSET,"7,c"}, {zSET,"7,d"}, {zSET,"7,e"},
+ {zSET,"7,h"}, {zSET,"7,l"}, {zSET,"7,(hl)"},{zSET,"7,a"}
+};
+
+static const z80dasm mnemonic_ed[256] =
+{
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zIN,"b,(c)"}, {zOUT,"(c),b"}, {zSBC,"hl,bc"}, {zLD,"(W),bc"},
+ {zNEG,0}, {zRETN,0}, {zIM,"0"}, {zLD,"i,a"},
+ {zIN,"c,(c)"}, {zOUT,"(c),c"}, {zADC,"hl,bc"}, {zLD,"bc,(W)"},
+ {zNEG,"*"}, {zRETI,0}, {zIM,"0"}, {zLD,"r,a"},
+ {zIN,"d,(c)"}, {zOUT,"(c),d"}, {zSBC,"hl,de"}, {zLD,"(W),de"},
+ {zNEG,"*"}, {zRETN,0}, {zIM,"1"}, {zLD,"a,i"},
+ {zIN,"e,(c)"}, {zOUT,"(c),e"}, {zADC,"hl,de"}, {zLD,"de,(W)"},
+ {zNEG,"*"}, {zRETI,0}, {zIM,"2"}, {zLD,"a,r"},
+ {zIN,"h,(c)"}, {zOUT,"(c),h"}, {zSBC,"hl,hl"}, {zLD,"(W),hl"},
+ {zNEG,"*"}, {zRETN,0}, {zIM,"0"}, {zRRD,"(hl)"},
+ {zIN,"l,(c)"}, {zOUT,"(c),l"}, {zADC,"hl,hl"}, {zLD,"hl,(W)"},
+ {zNEG,"*"}, {zRETI,0}, {zIM,"0"}, {zRLD,"(hl)"},
+ {zIN,"0,(c)"}, {zOUT,"(c),0"}, {zSBC,"hl,sp"}, {zLD,"(W),sp"},
+ {zNEG,"*"}, {zRETN,0}, {zIM,"1"}, {zDB,"?"},
+ {zIN,"a,(c)"}, {zOUT,"(c),a"}, {zADC,"hl,sp"}, {zLD,"sp,(W)"},
+ {zNEG,"*"}, {zRETI,0}, {zIM,"2"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLDI,0}, {zCPI,0}, {zINI,0}, {zOUTI,0},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLDD,0}, {zCPD,0}, {zIND,0}, {zOUTD,0},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLDIR,0}, {zCPIR,0}, {zINIR,0}, {zOTIR,0},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLDDR,0}, {zCPDR,0}, {zINDR,0}, {zOTDR,0},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"}
+};
+
+static const z80dasm mnemonic_xx[256] =
+{
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zADD,"I,bc"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zADD,"I,de"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zLD,"I,N"}, {zLD,"(W),I"}, {zINC,"I"},
+ {zINC,"Ih"}, {zDEC,"Ih"}, {zLD,"Ih,B"}, {zDB,"?"},
+ {zDB,"?"}, {zADD,"I,I"}, {zLD,"I,(W)"}, {zDEC,"I"},
+ {zINC,"Il"}, {zDEC,"Il"}, {zLD,"Il,B"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zINC,"X"}, {zDEC,"X"}, {zLD,"X,B"}, {zDB,"?"},
+ {zDB,"?"}, {zADD,"I,sp"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLD,"b,Ih"}, {zLD,"b,Il"}, {zLD,"b,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLD,"c,Ih"}, {zLD,"c,Il"}, {zLD,"c,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLD,"d,Ih"}, {zLD,"d,Il"}, {zLD,"d,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLD,"e,Ih"}, {zLD,"e,Il"}, {zLD,"e,X"}, {zDB,"?"},
+ {zLD,"Ih,b"}, {zLD,"Ih,c"}, {zLD,"Ih,d"}, {zLD,"Ih,e"},
+ {zLD,"Ih,Ih"}, {zLD,"Ih,Il"}, {zLD,"h,X"}, {zLD,"Ih,a"},
+ {zLD,"Il,b"}, {zLD,"Il,c"}, {zLD,"Il,d"}, {zLD,"Il,e"},
+ {zLD,"Il,Ih"}, {zLD,"Il,Il"}, {zLD,"l,X"}, {zLD,"Il,a"},
+ {zLD,"X,b"}, {zLD,"X,c"}, {zLD,"X,d"}, {zLD,"X,e"},
+ {zLD,"X,h"}, {zLD,"X,l"}, {zDB,"?"}, {zLD,"X,a"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zLD,"a,Ih"}, {zLD,"a,Il"}, {zLD,"a,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zADD,"a,Ih"}, {zADD,"a,Il"}, {zADD,"a,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zADC,"a,Ih"}, {zADC,"a,Il"}, {zADC,"a,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zSUB,"Ih"}, {zSUB,"Il"}, {zSUB,"X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zSBC,"a,Ih"}, {zSBC,"a,Il"}, {zSBC,"a,X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zAND,"Ih"}, {zAND,"Il"}, {zAND,"X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zXOR,"Ih"}, {zXOR,"Il"}, {zXOR,"X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zOR,"Ih"}, {zOR,"Il"}, {zOR,"X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zCP,"Ih"}, {zCP,"Il"}, {zCP,"X"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"cb"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zPOP,"I"}, {zDB,"?"}, {zEX,"(sp),I"},
+ {zDB,"?"}, {zPUSH,"I"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zJP,"(I)"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zLD,"sp,I"}, {zDB,"?"}, {zDB,"?"},
+ {zDB,"?"}, {zDB,"?"}, {zDB,"?"}, {zDB,"?"}
+};
+
+static const z80dasm mnemonic_main[256] =
+{
+ {zNOP,0}, {zLD,"bc,N"}, {zLD,"(bc),a"}, {zINC,"bc"},
+ {zINC,"b"}, {zDEC,"b"}, {zLD,"b,B"}, {zRLCA,0},
+ {zEX,"af,af'"}, {zADD,"hl,bc"}, {zLD,"a,(bc)"}, {zDEC,"bc"},
+ {zINC,"c"}, {zDEC,"c"}, {zLD,"c,B"}, {zRRCA,0},
+ {zDJNZ,"O"}, {zLD,"de,N"}, {zLD,"(de),a"}, {zINC,"de"},
+ {zINC,"d"}, {zDEC,"d"}, {zLD,"d,B"}, {zRLA,0},
+ {zJR,"O"}, {zADD,"hl,de"}, {zLD,"a,(de)"}, {zDEC,"de"},
+ {zINC,"e"}, {zDEC,"e"}, {zLD,"e,B"}, {zRRA,0},
+ {zJR,"nz,O"}, {zLD,"hl,N"}, {zLD,"(W),hl"}, {zINC,"hl"},
+ {zINC,"h"}, {zDEC,"h"}, {zLD,"h,B"}, {zDAA,0},
+ {zJR,"z,O"}, {zADD,"hl,hl"}, {zLD,"hl,(W)"}, {zDEC,"hl"},
+ {zINC,"l"}, {zDEC,"l"}, {zLD,"l,B"}, {zCPL,0},
+ {zJR,"nc,O"}, {zLD,"sp,N"}, {zLD,"(W),a"}, {zINC,"sp"},
+ {zINC,"(hl)"}, {zDEC,"(hl)"}, {zLD,"(hl),B"}, {zSCF,0},
+ {zJR,"c,O"}, {zADD,"hl,sp"}, {zLD,"a,(W)"}, {zDEC,"sp"},
+ {zINC,"a"}, {zDEC,"a"}, {zLD,"a,B"}, {zCCF,0},
+ {zLD,"b,b"}, {zLD,"b,c"}, {zLD,"b,d"}, {zLD,"b,e"},
+ {zLD,"b,h"}, {zLD,"b,l"}, {zLD,"b,(hl)"}, {zLD,"b,a"},
+ {zLD,"c,b"}, {zLD,"c,c"}, {zLD,"c,d"}, {zLD,"c,e"},
+ {zLD,"c,h"}, {zLD,"c,l"}, {zLD,"c,(hl)"}, {zLD,"c,a"},
+ {zLD,"d,b"}, {zLD,"d,c"}, {zLD,"d,d"}, {zLD,"d,e"},
+ {zLD,"d,h"}, {zLD,"d,l"}, {zLD,"d,(hl)"}, {zLD,"d,a"},
+ {zLD,"e,b"}, {zLD,"e,c"}, {zLD,"e,d"}, {zLD,"e,e"},
+ {zLD,"e,h"}, {zLD,"e,l"}, {zLD,"e,(hl)"}, {zLD,"e,a"},
+ {zLD,"h,b"}, {zLD,"h,c"}, {zLD,"h,d"}, {zLD,"h,e"},
+ {zLD,"h,h"}, {zLD,"h,l"}, {zLD,"h,(hl)"}, {zLD,"h,a"},
+ {zLD,"l,b"}, {zLD,"l,c"}, {zLD,"l,d"}, {zLD,"l,e"},
+ {zLD,"l,h"}, {zLD,"l,l"}, {zLD,"l,(hl)"}, {zLD,"l,a"},
+ {zLD,"(hl),b"}, {zLD,"(hl),c"}, {zLD,"(hl),d"}, {zLD,"(hl),e"},
+ {zLD,"(hl),h"}, {zLD,"(hl),l"}, {zHLT,0}, {zLD,"(hl),a"},
+ {zLD,"a,b"}, {zLD,"a,c"}, {zLD,"a,d"}, {zLD,"a,e"},
+ {zLD,"a,h"}, {zLD,"a,l"}, {zLD,"a,(hl)"}, {zLD,"a,a"},
+ {zADD,"a,b"}, {zADD,"a,c"}, {zADD,"a,d"}, {zADD,"a,e"},
+ {zADD,"a,h"}, {zADD,"a,l"}, {zADD,"a,(hl)"},{zADD,"a,a"},
+ {zADC,"a,b"}, {zADC,"a,c"}, {zADC,"a,d"}, {zADC,"a,e"},
+ {zADC,"a,h"}, {zADC,"a,l"}, {zADC,"a,(hl)"},{zADC,"a,a"},
+ {zSUB,"b"}, {zSUB,"c"}, {zSUB,"d"}, {zSUB,"e"},
+ {zSUB,"h"}, {zSUB,"l"}, {zSUB,"(hl)"}, {zSUB,"a"},
+ {zSBC,"a,b"}, {zSBC,"a,c"}, {zSBC,"a,d"}, {zSBC,"a,e"},
+ {zSBC,"a,h"}, {zSBC,"a,l"}, {zSBC,"a,(hl)"},{zSBC,"a,a"},
+ {zAND,"b"}, {zAND,"c"}, {zAND,"d"}, {zAND,"e"},
+ {zAND,"h"}, {zAND,"l"}, {zAND,"(hl)"}, {zAND,"a"},
+ {zXOR,"b"}, {zXOR,"c"}, {zXOR,"d"}, {zXOR,"e"},
+ {zXOR,"h"}, {zXOR,"l"}, {zXOR,"(hl)"}, {zXOR,"a"},
+ {zOR,"b"}, {zOR,"c"}, {zOR,"d"}, {zOR,"e"},
+ {zOR,"h"}, {zOR,"l"}, {zOR,"(hl)"}, {zOR,"a"},
+ {zCP,"b"}, {zCP,"c"}, {zCP,"d"}, {zCP,"e"},
+ {zCP,"h"}, {zCP,"l"}, {zCP,"(hl)"}, {zCP,"a"},
+ {zRET,"nz"}, {zPOP,"bc"}, {zJP,"nz,A"}, {zJP,"A"},
+ {zCALL,"nz,A"}, {zPUSH,"bc"}, {zADD,"a,B"}, {zRST,"V"},
+ {zRET,"z"}, {zRET,0}, {zJP,"z,A"}, {zDB,"cb"},
+ {zCALL,"z,A"}, {zCALL,"A"}, {zADC,"a,B"}, {zRST,"V"},
+ {zRET,"nc"}, {zPOP,"de"}, {zJP,"nc,A"}, {zOUT,"(P),a"},
+ {zCALL,"nc,A"}, {zPUSH,"de"}, {zSUB,"B"}, {zRST,"V"},
+ {zRET,"c"}, {zEXX,0}, {zJP,"c,A"}, {zIN,"a,(P)"},
+ {zCALL,"c,A"}, {zDB,"dd"}, {zSBC,"a,B"}, {zRST,"V"},
+ {zRET,"po"}, {zPOP,"hl"}, {zJP,"po,A"}, {zEX,"(sp),hl"},
+ {zCALL,"po,A"}, {zPUSH,"hl"}, {zAND,"B"}, {zRST,"V"},
+ {zRET,"pe"}, {zJP,"(hl)"}, {zJP,"pe,A"}, {zEX,"de,hl"},
+ {zCALL,"pe,A"}, {zDB,"ed"}, {zXOR,"B"}, {zRST,"V"},
+ {zRET,"p"}, {zPOP,"af"}, {zJP,"p,A"}, {zDI,0},
+ {zCALL,"p,A"}, {zPUSH,"af"}, {zOR,"B"}, {zRST,"V"},
+ {zRET,"m"}, {zLD,"sp,hl"}, {zJP,"m,A"}, {zEI,0},
+ {zCALL,"m,A"}, {zDB,"fd"}, {zCP,"B"}, {zRST,"V"}
+};
+
+static char sign(INT8 offset)
+{
+ return (offset < 0)? '-':'+';
+}
+
+static int offs(INT8 offset)
+{
+ if (offset < 0) return -offset;
+ return offset;
+}
+
+/****************************************************************************
+ * Disassemble opcode at PC and return number of bytes it takes
+ ****************************************************************************/
+unsigned z80_dasm(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram)
+{
+ const z80dasm *d;
+ const char *src, *ixy;
+ char *dst;
+ INT8 offset = 0;
+ UINT8 op, op1 = 0;
+ UINT16 ea = 0;
+ int pos = 0;
+
+ ixy = "oops!!";
+ dst = buffer;
+
+ op = oprom[pos++];
+
+ switch (op)
+ {
+ case 0xcb:
+ op = oprom[pos++];
+ d = &mnemonic_cb[op];
+ break;
+ case 0xed:
+ op1 = oprom[pos++];
+ d = &mnemonic_ed[op1];
+ break;
+ case 0xdd:
+ ixy = "ix";
+ op1 = oprom[pos++];
+ if( op1 == 0xcb )
+ {
+ offset = (INT8) opram[pos++];
+ op1 = opram[pos++]; /* fourth byte from opcode_arg_base! */
+ d = &mnemonic_xx_cb[op1];
+ }
+ else d = &mnemonic_xx[op1];
+ break;
+ case 0xfd:
+ ixy = "iy";
+ op1 = oprom[pos++];
+ if( op1 == 0xcb )
+ {
+ offset = (INT8) opram[pos++];
+ op1 = opram[pos++]; /* fourth byte from opcode_arg_base! */
+ d = &mnemonic_xx_cb[op1];
+ }
+ else d = &mnemonic_xx[op1];
+ break;
+ default:
+ d = &mnemonic_main[op];
+ break;
+ }
+
+ if( d->arguments )
+ {
+ dst += sprintf(dst, "%-4s ", s_mnemonic[d->mnemonic]);
+ src = d->arguments;
+ while( *src )
+ {
+ switch( *src )
+ {
+ case '?': /* illegal opcode */
+ dst += sprintf( dst, "$%02x,$%02x", op, op1 );
+ break;
+ case 'A':
+ ea = opram[pos+0] + ( opram[pos+1] << 8 );
+ pos += 2;
+ dst += sprintf( dst, "$%04X", ea );
+ break;
+ case 'B': /* Byte op arg */
+ ea = opram[pos++];
+ dst += sprintf( dst, "$%02X", ea );
+ break;
+ case 'N': /* Immediate 16 bit */
+ ea = opram[pos+0] + ( opram[pos+1] << 8 );
+ pos += 2;
+ dst += sprintf( dst, "$%04X", ea );
+ break;
+ case 'O': /* Offset relative to PC */
+ offset = (INT8) opram[pos++];
+ dst += sprintf( dst, "$%04X", (pc + offset + 2) & 0xffff );
+ break;
+ case 'P': /* Port number */
+ ea = opram[pos++];
+ dst += sprintf( dst, "$%02X", ea );
+ break;
+ case 'V': /* Restart vector */
+ ea = op & 0x38;
+ dst += sprintf( dst, "$%02X", ea );
+ break;
+ case 'W': /* Memory address word */
+ ea = opram[pos+0] + ( opram[pos+1] << 8 );
+ pos += 2;
+ dst += sprintf( dst, "$%04X", ea );
+ break;
+ case 'X':
+ offset = (INT8) opram[pos++];
+ /* fall through */
+ case 'Y':
+ dst += sprintf( dst,"(%s%c$%02x)", ixy, sign(offset), offs(offset) );
+ break;
+ case 'I':
+ dst += sprintf( dst, "%s", ixy);
+ break;
+ default:
+ *dst++ = *src;
+ }
+ src++;
+ }
+ *dst = '\0';
+ }
+ else
+ {
+ dst += sprintf(dst, "%s", s_mnemonic[d->mnemonic]);
+ }
+
+ return pos | s_flags[d->mnemonic] | DASMFLAG_SUPPORTED;
+}