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comparison 68kinst.c @ 95:dd3c680c618c

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Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding
author Mike Pavone <pavone@retrodev.com>
date Thu, 27 Dec 2012 21:19:58 -0800
parents a668a35a3463
children d7789186ba5e
comparison
equal deleted inserted replaced
94:a668a35a3463 95:dd3c680c618c
61 dst->addr_mode = MODE_PC_INDEX_DISP8; 61 dst->addr_mode = MODE_PC_INDEX_DISP8;
62 ext = *(++cur); 62 ext = *(++cur);
63 dst->params.regs.sec = ext >> 11;//includes areg/dreg bit, reg num and word/long bit 63 dst->params.regs.sec = ext >> 11;//includes areg/dreg bit, reg num and word/long bit
64 dst->params.regs.displacement = sign_extend8(ext&0xFF); 64 dst->params.regs.displacement = sign_extend8(ext&0xFF);
65 #endif 65 #endif
66 break;
66 case 2: 67 case 2:
67 dst->addr_mode = MODE_PC_DISPLACE; 68 dst->addr_mode = MODE_PC_DISPLACE;
68 ext = *(++cur); 69 ext = *(++cur);
69 dst->params.regs.displacement = sign_extend16(ext); 70 dst->params.regs.displacement = sign_extend16(ext);
70 break; 71 break;