/* opcodes_ddfd.c Z80 {DD,FD}xx opcodes Copyright (c) 1999-2003 Philip Kendall 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. 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., 49 Temple Place, Suite 330, Boston, MA 02111-1307 USA Author contact information: E-mail: philip-fuse@shadowmagic.org.uk */ /* NB: this file is autogenerated by 'z80.pl' from 'opcodes_ddfd.dat', and included in 'z80_ops.c' */ case 0x09: /* ADD REGISTER,BC */ contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); ADD16(REGISTER,BC); break; case 0x19: /* ADD REGISTER,DE */ contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); ADD16(REGISTER,DE); break; case 0x21: /* LD REGISTER,nnnn */ REGISTERL=readbyte(PC++); REGISTERH=readbyte(PC++); break; case 0x22: /* LD (nnnn),REGISTER */ LD16_NNRR(REGISTERL,REGISTERH); break; case 0x23: /* INC REGISTER */ contend_read( IR, 1 ); contend_read( IR, 1 ); REGISTER++; break; case 0x24: /* INC REGISTERH */ INC(REGISTERH); break; case 0x25: /* DEC REGISTERH */ DEC(REGISTERH); break; case 0x26: /* LD REGISTERH,nn */ REGISTERH = readbyte( PC++ ); break; case 0x29: /* ADD REGISTER,REGISTER */ contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); ADD16(REGISTER,REGISTER); break; case 0x2a: /* LD REGISTER,(nnnn) */ LD16_RRNN(REGISTERL,REGISTERH); break; case 0x2b: /* DEC REGISTER */ contend_read( IR, 1 ); contend_read( IR, 1 ); REGISTER--; break; case 0x2c: /* INC REGISTERL */ INC(REGISTERL); break; case 0x2d: /* DEC REGISTERL */ DEC(REGISTERL); break; case 0x2e: /* LD REGISTERL,nn */ REGISTERL = readbyte( PC++ ); break; case 0x34: /* INC (REGISTER+dd) */ { libspectrum_byte offset, bytetemp; libspectrum_word wordtemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; wordtemp = REGISTER + (libspectrum_signed_byte)offset; bytetemp = readbyte( wordtemp ); contend_read( wordtemp, 1 ); INC(bytetemp); writebyte(wordtemp,bytetemp); } break; case 0x35: /* DEC (REGISTER+dd) */ { libspectrum_byte offset, bytetemp; libspectrum_word wordtemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; wordtemp = REGISTER + (libspectrum_signed_byte)offset; bytetemp = readbyte( wordtemp ); contend_read( wordtemp, 1 ); DEC(bytetemp); writebyte(wordtemp,bytetemp); } break; case 0x36: /* LD (REGISTER+dd),nn */ { libspectrum_byte offset, value; offset = readbyte( PC++ ); value = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, value ); } break; case 0x39: /* ADD REGISTER,SP */ contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); contend_read( IR, 1 ); ADD16(REGISTER,SP); break; case 0x44: /* LD B,REGISTERH */ B=REGISTERH; break; case 0x45: /* LD B,REGISTERL */ B=REGISTERL; break; case 0x46: /* LD B,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; B = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x4c: /* LD C,REGISTERH */ C=REGISTERH; break; case 0x4d: /* LD C,REGISTERL */ C=REGISTERL; break; case 0x4e: /* LD C,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; C = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x54: /* LD D,REGISTERH */ D=REGISTERH; break; case 0x55: /* LD D,REGISTERL */ D=REGISTERL; break; case 0x56: /* LD D,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; D = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x5c: /* LD E,REGISTERH */ E=REGISTERH; break; case 0x5d: /* LD E,REGISTERL */ E=REGISTERL; break; case 0x5e: /* LD E,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; E = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x60: /* LD REGISTERH,B */ REGISTERH=B; break; case 0x61: /* LD REGISTERH,C */ REGISTERH=C; break; case 0x62: /* LD REGISTERH,D */ REGISTERH=D; break; case 0x63: /* LD REGISTERH,E */ REGISTERH=E; break; case 0x64: /* LD REGISTERH,REGISTERH */ break; case 0x65: /* LD REGISTERH,REGISTERL */ REGISTERH=REGISTERL; break; case 0x66: /* LD H,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; H = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x67: /* LD REGISTERH,A */ REGISTERH=A; break; case 0x68: /* LD REGISTERL,B */ REGISTERL=B; break; case 0x69: /* LD REGISTERL,C */ REGISTERL=C; break; case 0x6a: /* LD REGISTERL,D */ REGISTERL=D; break; case 0x6b: /* LD REGISTERL,E */ REGISTERL=E; break; case 0x6c: /* LD REGISTERL,REGISTERH */ REGISTERL=REGISTERH; break; case 0x6d: /* LD REGISTERL,REGISTERL */ break; case 0x6e: /* LD L,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; L = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x6f: /* LD REGISTERL,A */ REGISTERL=A; break; case 0x70: /* LD (REGISTER+dd),B */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, B ); } break; case 0x71: /* LD (REGISTER+dd),C */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, C ); } break; case 0x72: /* LD (REGISTER+dd),D */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, D ); } break; case 0x73: /* LD (REGISTER+dd),E */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, E ); } break; case 0x74: /* LD (REGISTER+dd),H */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, H ); } break; case 0x75: /* LD (REGISTER+dd),L */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, L ); } break; case 0x77: /* LD (REGISTER+dd),A */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; writebyte( REGISTER + (libspectrum_signed_byte)offset, A ); } break; case 0x7c: /* LD A,REGISTERH */ A=REGISTERH; break; case 0x7d: /* LD A,REGISTERL */ A=REGISTERL; break; case 0x7e: /* LD A,(REGISTER+dd) */ { libspectrum_byte offset; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; A = readbyte( REGISTER + (libspectrum_signed_byte)offset ); } break; case 0x84: /* ADD A,REGISTERH */ ADD(REGISTERH); break; case 0x85: /* ADD A,REGISTERL */ ADD(REGISTERL); break; case 0x86: /* ADD A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); ADD(bytetemp); } break; case 0x8c: /* ADC A,REGISTERH */ ADC(REGISTERH); break; case 0x8d: /* ADC A,REGISTERL */ ADC(REGISTERL); break; case 0x8e: /* ADC A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); ADC(bytetemp); } break; case 0x94: /* SUB A,REGISTERH */ SUB(REGISTERH); break; case 0x95: /* SUB A,REGISTERL */ SUB(REGISTERL); break; case 0x96: /* SUB A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); SUB(bytetemp); } break; case 0x9c: /* SBC A,REGISTERH */ SBC(REGISTERH); break; case 0x9d: /* SBC A,REGISTERL */ SBC(REGISTERL); break; case 0x9e: /* SBC A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); SBC(bytetemp); } break; case 0xa4: /* AND A,REGISTERH */ AND(REGISTERH); break; case 0xa5: /* AND A,REGISTERL */ AND(REGISTERL); break; case 0xa6: /* AND A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); AND(bytetemp); } break; case 0xac: /* XOR A,REGISTERH */ XOR(REGISTERH); break; case 0xad: /* XOR A,REGISTERL */ XOR(REGISTERL); break; case 0xae: /* XOR A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); XOR(bytetemp); } break; case 0xb4: /* OR A,REGISTERH */ OR(REGISTERH); break; case 0xb5: /* OR A,REGISTERL */ OR(REGISTERL); break; case 0xb6: /* OR A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); OR(bytetemp); } break; case 0xbc: /* CP A,REGISTERH */ CP(REGISTERH); break; case 0xbd: /* CP A,REGISTERL */ CP(REGISTERL); break; case 0xbe: /* CP A,(REGISTER+dd) */ { libspectrum_byte offset, bytetemp; offset = readbyte( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; bytetemp = readbyte( REGISTER + (libspectrum_signed_byte)offset ); CP(bytetemp); } break; case 0xcb: /* shift DDFDCB */ { libspectrum_word tempaddr; libspectrum_byte opcode3; contend_read( PC, 3 ); tempaddr = REGISTER + (libspectrum_signed_byte)readbyte_internal( PC ); PC++; contend_read( PC, 3 ); opcode3 = readbyte_internal( PC ); contend_read( PC, 1 ); contend_read( PC, 1 ); PC++; #ifdef HAVE_ENOUGH_MEMORY switch(opcode3) { #include "z80_ddfdcb.c" } #else /* #ifdef HAVE_ENOUGH_MEMORY */ z80_ddfdcbxx(opcode3,tempaddr); #endif /* #ifdef HAVE_ENOUGH_MEMORY */ } break; case 0xe1: /* POP REGISTER */ POP16(REGISTERL,REGISTERH); break; case 0xe3: /* EX (SP),REGISTER */ { libspectrum_byte bytetempl, bytetemph; bytetempl = readbyte( SP ); bytetemph = readbyte( SP + 1 ); contend_read( SP + 1, 1 ); writebyte( SP + 1, REGISTERH ); writebyte( SP, REGISTERL ); contend_write( SP, 1 ); contend_write( SP, 1 ); REGISTERL=bytetempl; REGISTERH=bytetemph; } break; case 0xe5: /* PUSH REGISTER */ contend_read( IR, 1 ); PUSH16(REGISTERL,REGISTERH); break; case 0xe9: /* JP REGISTER */ PC=REGISTER; /* NB: NOT INDIRECT! */ break; case 0xf9: /* LD SP,REGISTER */ contend_read( IR, 1 ); contend_read( IR, 1 ); SP = REGISTER; break; default: /* Instruction did not involve H or L, so backtrack one instruction and parse again */ PC--; R--; opcode = opcode2; goto end_opcode;