diff options
| -rw-r--r-- | 68kinst.c | 25 | ||||
| -rw-r--r-- | test.s68 | 88 |
2 files changed, 112 insertions, 1 deletions
@@ -123,8 +123,31 @@ uint16_t * m68K_decode(uint16_t * istream, m68kinst * decoded) } decoded->src.addr_mode = MODE_REG; decoded->src.params.regs.pri = m68K_reg_quick_field(*istream); + decoded->extra.size = OPSIZE_LONG; istream = m68k_decode_op(istream, OPSIZE_LONG, &(decoded->dst)); } else if ((*istream & 0xF00) == 0x800) { + //BTST, BCHG, BCLR, BSET + switch ((*istream >> 6) & 0x3) + { + case 0: + decoded->op = M68K_BTST; + break; + case 1: + decoded->op = M68K_BCHG; + break; + case 2: + decoded->op = M68K_BCLR; + break; + case 3: + decoded->op = M68K_BSET; + break; + } + opmode = (*istream >> 3) & 0x7; + reg = *istream & 0x7; + decoded->src.addr_mode = MODE_IMMEDIATE; + decoded->src.params.u8 = *(++istream); + decoded->extra.size = OPSIZE_BYTE; + istream = m68k_decode_op_ex(istream, opmode, reg, OPSIZE_BYTE, &(decoded->dst)); } else if ((*istream & 0xC0) == 0xC0) { #ifdef M68020 //CMP2, CHK2, CAS, CAS2, RTM, CALLM @@ -1090,7 +1113,7 @@ char * mnemonics[] = { "trap", "trapv", "tst", - "unlnk", + "unlk", "invalid" }; diff --git a/test.s68 b/test.s68 new file mode 100644 index 0000000..151a639 --- /dev/null +++ b/test.s68 @@ -0,0 +1,88 @@ + abcd d0, d1 + abcd -(a2), -(a3) + add.b #42, d1 + add.w d3, d4 + add.l d5, (a0)+ + addq.w #5, d0 + addx d6, d7 + addx -(a4), -(a5) + and.w d5, d7 + andi.l #5, (a0)+ + andi #8, CCR + andi #9, CCR +foo: + asl d0, d3 + asr #3, d7 + bne foo + bchg #5, d0 + bclr #7, d0 + bset #1, d0 + bsr bar + btst #3, d0 + chk.w #53, d7 + clr d5 + cmp d0, d1 +bar: + dbra d0, bar + divs.w d5, d7 + divu.w d3, d4 + eor.w d0, d6 + eori.l #5, d2 + eori #5, ccr + eori #2700, sr + exg d5, d6 + ext d2 + illegal + jmp (a0) + jsr (a5) + lea (a0, 8), a3 + link.w a6, #32 + lsl d0, d3 + lsr #3, d7 + move.b (a0)+, (32, a5) + moveq #5, d0 + move #89, ccr + move sr, d0 + move #2700, sr + move a5, usp + movem.l d0-d3/a4/a6, -(a7) + movep.w d4, (40, a3) + muls.w d6, d7 + mulu.w d2, d4 + nbcd -(a2) + neg.l d7 + negx.b d5 + nop + not.b d3 + or.w d5, d7 + ori.b #7, d5 + ori #5, ccr + ori #2700, sr + pea (24, a3) + reset + rol.l #7, d0 + rol.w d5, d0 + ror.w d1, d3 + roxl.l #7, d0 + roxl.w d5, d0 + roxr.w d1, d3 + rte + rtr + rts + sbcd d0, d1 + sbcd -(a2), -(a3) + slt d5 + stop #3 + sub.b #42, d1 + sub.w d3, d4 + sub.l d5, (a0)+ + subq.w #5, d0 + subx d6, d7 + subx -(a4), -(a5) + swap d6 + tas (a3) + trap #7 + trapv + tst.w (a4)+ + unlk a6 + |