diff options
Diffstat (limited to 'src/emu/cpu/v60/am1.c')
-rw-r--r-- | src/emu/cpu/v60/am1.c | 1391 |
1 files changed, 1391 insertions, 0 deletions
diff --git a/src/emu/cpu/v60/am1.c b/src/emu/cpu/v60/am1.c new file mode 100644 index 00000000000..3377c604a64 --- /dev/null +++ b/src/emu/cpu/v60/am1.c @@ -0,0 +1,1391 @@ + +// AM1 Functions (for ReadAM) +// ************************** + +static UINT32 am1Register(void) +{ + switch (modDim) + { + case 0: + amOut=(UINT8)v60.reg[modVal&0x1F]; + break; + case 1: + amOut=(UINT16)v60.reg[modVal&0x1F]; + break; + case 2: + amOut=v60.reg[modVal&0x1F]; + break; + } + + return 1; +} + +static UINT32 am1RegisterIndirect(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(v60.reg[modVal&0x1F]); + break; + case 2: + amOut=MemRead32(v60.reg[modVal&0x1F]); + break; + } + + return 1; +} + +static UINT32 bam1RegisterIndirect(void) +{ + bamOffset=0; + amOut=MemRead32(v60.reg[modVal&0x1F]); + return 1; +} + +static UINT32 am1RegisterIndirectIndexed(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal2&0x1F]+v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(v60.reg[modVal2&0x1F]+v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(v60.reg[modVal2&0x1F]+v60.reg[modVal&0x1F]*4); + break; + } + + return 2; +} + +static UINT32 bam1RegisterIndirectIndexed(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(v60.reg[modVal2&0x1F]+bamOffset/8); + bamOffset&=7; + return 2; +} + +static UINT32 am1Autoincrement(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal&0x1F]); + v60.reg[modVal&0x1F]++; + break; + case 1: + amOut=MemRead16(v60.reg[modVal&0x1F]); + v60.reg[modVal&0x1F]+=2; + break; + case 2: + amOut=MemRead32(v60.reg[modVal&0x1F]); + v60.reg[modVal&0x1F]+=4; + break; + } + + return 1; +} + +static UINT32 bam1Autoincrement(void) +{ + bamOffset=0; + amOut=MemRead32(v60.reg[modVal&0x1F]); + switch (modDim) + { + case 10: + v60.reg[modVal&0x1F]+=1; + break; + case 11: + v60.reg[modVal&0x1F]+=4; + break; + default: + fatalerror("CPU - BAM1 - 7"); + break; + } + return 1; +} + +static UINT32 am1Autodecrement(void) +{ + switch (modDim) + { + case 0: + v60.reg[modVal&0x1F]--; + amOut=MemRead8(v60.reg[modVal&0x1F]); + break; + case 1: + v60.reg[modVal&0x1F]-=2; + amOut=MemRead16(v60.reg[modVal&0x1F]); + break; + case 2: + v60.reg[modVal&0x1F]-=4; + amOut=MemRead32(v60.reg[modVal&0x1F]); + break; + } + + return 1; +} + +static UINT32 bam1Autodecrement(void) +{ + bamOffset=0; + switch (modDim) + { + case 10: + v60.reg[modVal&0x1F]-=1; + break; + case 11: + v60.reg[modVal&0x1F]-=4; + break; + default: + fatalerror("CPU - BAM1 - 7"); + break; + } + amOut=MemRead32(v60.reg[modVal&0x1F]); + return 1; +} + +static UINT32 am1Displacement8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1)); + break; + case 1: + amOut=MemRead16(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1)); + break; + case 2: + amOut=MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1)); + break; + } + + return 2; +} + +static UINT32 bam1Displacement8(void) +{ + bamOffset=MemRead8(modAdd+1); + amOut=MemRead32(v60.reg[modVal&0x1F]+bamOffset/8); + bamOffset&=7; + return 2; +} + + +static UINT32 am1Displacement16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1)); + break; + case 1: + amOut=MemRead16(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1)); + break; + case 2: + amOut=MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1)); + break; + } + + return 3; +} + +static UINT32 bam1Displacement16(void) +{ + bamOffset=OpRead16(modAdd+1); + amOut=MemRead32(v60.reg[modVal&0x1F]+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1Displacement32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal&0x1F] + OpRead32(modAdd+1)); + break; + case 1: + amOut=MemRead16(v60.reg[modVal&0x1F] + OpRead32(modAdd+1)); + break; + case 2: + amOut=MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1)); + break; + } + + return 5; +} + +static UINT32 bam1Displacement32(void) +{ + bamOffset=OpRead32(modAdd+1); + amOut=MemRead32(v60.reg[modVal&0x1F]+bamOffset/8); + bamOffset&=7; + return 5; +} + +static UINT32 am1DisplacementIndexed8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 3; +} + +static UINT32 bam1DisplacementIndexed8(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1DisplacementIndexed16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 4; +} + +static UINT32 bam1DisplacementIndexed16(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 4; +} + +static UINT32 am1DisplacementIndexed32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 6; +} + +static UINT32 bam1DisplacementIndexed32(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 6; +} + + +static UINT32 am1PCDisplacement8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(PC + (INT8)OpRead8(modAdd+1)); + break; + case 1: + amOut=MemRead16(PC + (INT8)OpRead8(modAdd+1)); + break; + case 2: + amOut=MemRead32(PC + (INT8)OpRead8(modAdd+1)); + break; + } + + return 2; +} + +static UINT32 bam1PCDisplacement8(void) +{ + bamOffset=OpRead8(modAdd+1); + amOut=MemRead32(PC+bamOffset/8); + bamOffset&=7; + return 2; +} + +static UINT32 am1PCDisplacement16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(PC + (INT16)OpRead16(modAdd+1)); + break; + case 1: + amOut=MemRead16(PC + (INT16)OpRead16(modAdd+1)); + break; + case 2: + amOut=MemRead32(PC + (INT16)OpRead16(modAdd+1)); + break; + } + + return 3; +} + +static UINT32 bam1PCDisplacement16(void) +{ + bamOffset=OpRead16(modAdd+1); + amOut=MemRead32(PC+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1PCDisplacement32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(PC + OpRead32(modAdd+1)); + break; + case 1: + amOut=MemRead16(PC + OpRead32(modAdd+1)); + break; + case 2: + amOut=MemRead32(PC + OpRead32(modAdd+1)); + break; + } + + return 5; +} + +static UINT32 bam1PCDisplacement32(void) +{ + bamOffset=OpRead32(modAdd+1); + amOut=MemRead32(PC+bamOffset/8); + bamOffset&=7; + return 5; +} + +static UINT32 am1PCDisplacementIndexed8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(PC + (INT8)OpRead8(modAdd+2) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(PC + (INT8)OpRead8(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(PC + (INT8)OpRead8(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 3; +} + +static UINT32 bam1PCDisplacementIndexed8(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(PC + (INT8)OpRead8(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 3; +} + + +static UINT32 am1PCDisplacementIndexed16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(PC + (INT16)OpRead16(modAdd+2) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(PC + (INT16)OpRead16(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(PC + (INT16)OpRead16(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 4; +} + +static UINT32 bam1PCDisplacementIndexed16(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(PC + (INT16)OpRead16(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 4; +} + +static UINT32 am1PCDisplacementIndexed32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(PC + OpRead32(modAdd+2) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(PC + OpRead32(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(PC + OpRead32(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 6; +} + +static UINT32 bam1PCDisplacementIndexed32(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(PC + OpRead32(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 6; +} + +static UINT32 am1DisplacementIndirect8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1))); + break; + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1))); + break; + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1))); + break; + } + + return 2; +} + +static UINT32 bam1DisplacementIndirect8(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1))); + return 2; +} + +static UINT32 am1DisplacementIndirect16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1))); + break; + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1))); + break; + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1))); + break; + } + + return 3; +} + +static UINT32 bam1DisplacementIndirect16(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1))); + return 3; +} + +static UINT32 am1DisplacementIndirect32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1))); + break; + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1))); + break; + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1))); + break; + } + + return 5; +} + +static UINT32 bam1DisplacementIndirect32(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1))); + return 5; +} + +static UINT32 am1DisplacementIndirectIndexed8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 3; +} + +static UINT32 bam1DisplacementIndirectIndexed8(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(v60.reg[modVal2&0x1F] + (INT8)OpRead8(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1DisplacementIndirectIndexed16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 4; +} + +static UINT32 bam1DisplacementIndirectIndexed16(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(v60.reg[modVal2&0x1F] + (INT16)OpRead16(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 4; +} + +static UINT32 am1DisplacementIndirectIndexed32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 6; +} + +static UINT32 bam1DisplacementIndirectIndexed32(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(v60.reg[modVal2&0x1F] + OpRead32(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 6; +} + +static UINT32 am1PCDisplacementIndirect8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + (INT8)OpRead8(modAdd+1))); + break; + case 1: + amOut=MemRead16(MemRead32(PC + (INT8)OpRead8(modAdd+1))); + break; + case 2: + amOut=MemRead32(MemRead32(PC + (INT8)OpRead8(modAdd+1))); + break; + } + + return 2; +} + +static UINT32 bam1PCDisplacementIndirect8(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(PC + (INT8)OpRead8(modAdd+1))); + return 2; +} + +static UINT32 am1PCDisplacementIndirect16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + (INT16)OpRead16(modAdd+1))); + break; + case 1: + amOut=MemRead16(MemRead32(PC + (INT16)OpRead16(modAdd+1))); + break; + case 2: + amOut=MemRead32(MemRead32(PC + (INT16)OpRead16(modAdd+1))); + break; + } + + return 3; +} + +static UINT32 bam1PCDisplacementIndirect16(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(PC + (INT16)OpRead16(modAdd+1))); + return 3; +} + +static UINT32 am1PCDisplacementIndirect32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + OpRead32(modAdd+1))); + break; + case 1: + amOut=MemRead16(MemRead32(PC + OpRead32(modAdd+1))); + break; + case 2: + amOut=MemRead32(MemRead32(PC + OpRead32(modAdd+1))); + break; + } + + return 5; +} + +static UINT32 bam1PCDisplacementIndirect32(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(PC + OpRead32(modAdd+1))); + return 5; +} + +static UINT32 am1PCDisplacementIndirectIndexed8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + (INT8)OpRead8(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(MemRead32(PC + (INT8)OpRead8(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(MemRead32(PC + (INT8)OpRead8(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 3; +} + +static UINT32 bam1PCDisplacementIndirectIndexed8(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(PC + (INT8)OpRead8(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1PCDisplacementIndirectIndexed16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + (INT16)OpRead16(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(MemRead32(PC + (INT16)OpRead16(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(MemRead32(PC + (INT16)OpRead16(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 4; +} + +static UINT32 bam1PCDisplacementIndirectIndexed16(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(PC + (INT16)OpRead16(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 4; +} + +static UINT32 am1PCDisplacementIndirectIndexed32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + case 1: + amOut=MemRead16(MemRead32(PC + OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + case 2: + amOut=MemRead32(MemRead32(PC + OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 6; +} + +static UINT32 bam1PCDisplacementIndirectIndexed32(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(PC + OpRead32(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 6; +} + +static UINT32 am1DoubleDisplacement8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1)) + (INT8)OpRead8(modAdd+2)); + break; + + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1)) + (INT8)OpRead8(modAdd+2)); + break; + + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1)) + (INT8)OpRead8(modAdd+2)); + break; + } + + return 3; +} + +static UINT32 bam1DoubleDisplacement8(void) +{ + bamOffset=OpRead8(modAdd+2); + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT8)OpRead8(modAdd+1))+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1DoubleDisplacement16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1)) + (INT16)OpRead16(modAdd+3)); + break; + + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1)) + (INT16)OpRead16(modAdd+3)); + break; + + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1)) + (INT16)OpRead16(modAdd+3)); + break; + } + + return 5; +} + +static UINT32 bam1DoubleDisplacement16(void) +{ + bamOffset=OpRead16(modAdd+3); + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + (INT16)OpRead16(modAdd+1))+bamOffset/8); + bamOffset&=7; + return 5; +} + +static UINT32 am1DoubleDisplacement32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1)) + OpRead32(modAdd+5)); + break; + + case 1: + amOut=MemRead16(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1)) + OpRead32(modAdd+5)); + break; + + case 2: + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1)) + OpRead32(modAdd+5)); + break; + } + + return 9; +} + +static UINT32 bam1DoubleDisplacement32(void) +{ + bamOffset=OpRead32(modAdd+5); + amOut=MemRead32(MemRead32(v60.reg[modVal&0x1F] + OpRead32(modAdd+1))+bamOffset/8); + bamOffset&=7; + return 9; +} + +static UINT32 am1PCDoubleDisplacement8(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + (INT8)OpRead8(modAdd+1)) + (INT8)OpRead8(modAdd+2)); + break; + + case 1: + amOut=MemRead16(MemRead32(PC + (INT8)OpRead8(modAdd+1)) + (INT8)OpRead8(modAdd+2)); + break; + + case 2: + amOut=MemRead32(MemRead32(PC + (INT8)OpRead8(modAdd+1)) + (INT8)OpRead8(modAdd+2)); + break; + } + + return 3; +} + +static UINT32 bam1PCDoubleDisplacement8(void) +{ + bamOffset=OpRead8(modAdd+2); + amOut=MemRead32(MemRead32(PC + (INT8)OpRead8(modAdd+1))+bamOffset/8); + bamOffset&=7; + return 3; +} + +static UINT32 am1PCDoubleDisplacement16(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + (INT16)OpRead16(modAdd+1)) + (INT16)OpRead16(modAdd+3)); + break; + + case 1: + amOut=MemRead16(MemRead32(PC + (INT16)OpRead16(modAdd+1)) + (INT16)OpRead16(modAdd+3)); + break; + + case 2: + amOut=MemRead32(MemRead32(PC + (INT16)OpRead16(modAdd+1)) + (INT16)OpRead16(modAdd+3)); + break; + } + + return 5; +} + +static UINT32 bam1PCDoubleDisplacement16(void) +{ + bamOffset=OpRead16(modAdd+3); + amOut=MemRead32(MemRead32(PC + (INT16)OpRead16(modAdd+1))+bamOffset/8); + bamOffset&=7; + return 5; +} + + +static UINT32 am1PCDoubleDisplacement32(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(PC + OpRead32(modAdd+1)) + OpRead32(modAdd+5)); + break; + + case 1: + amOut=MemRead16(MemRead32(PC + OpRead32(modAdd+1)) + OpRead32(modAdd+5)); + break; + + case 2: + amOut=MemRead32(MemRead32(PC + OpRead32(modAdd+1)) + OpRead32(modAdd+5)); + break; + } + + return 9; +} + +static UINT32 bam1PCDoubleDisplacement32(void) +{ + bamOffset=OpRead32(modAdd+5); + amOut=MemRead32(MemRead32(PC + OpRead32(modAdd+1))+bamOffset/8); + bamOffset&=7; + return 9; +} + +static UINT32 am1DirectAddress(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(OpRead32(modAdd+1)); + break; + + case 1: + amOut=MemRead16(OpRead32(modAdd+1)); + break; + + case 2: + amOut=MemRead32(OpRead32(modAdd+1)); + break; + } + + return 5; +} + +static UINT32 bam1DirectAddress(void) +{ + bamOffset=0; + amOut=MemRead32(OpRead32(modAdd+1)); + return 5; +} + +static UINT32 am1DirectAddressIndexed(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(OpRead32(modAdd+2) + v60.reg[modVal&0x1F]); + break; + + case 1: + amOut=MemRead16(OpRead32(modAdd+2) + v60.reg[modVal&0x1F]*2); + break; + + case 2: + amOut=MemRead32(OpRead32(modAdd+2) + v60.reg[modVal&0x1F]*4); + break; + } + + return 6; +} + +static UINT32 bam1DirectAddressIndexed(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(OpRead32(modAdd+2)+bamOffset/8); + bamOffset&=7; + return 6; +} + +static UINT32 am1DirectAddressDeferred(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(OpRead32(modAdd+1))); + break; + + case 1: + amOut=MemRead16(MemRead32(OpRead32(modAdd+1))); + break; + + case 2: + amOut=MemRead32(MemRead32(OpRead32(modAdd+1))); + break; + } + + return 5; +} + +static UINT32 bam1DirectAddressDeferred(void) +{ + bamOffset=0; + amOut=MemRead32(MemRead32(OpRead32(modAdd+1))); + return 5; +} + +static UINT32 am1DirectAddressDeferredIndexed(void) +{ + switch (modDim) + { + case 0: + amOut=MemRead8(MemRead32(OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]); + break; + + case 1: + amOut=MemRead16(MemRead32(OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]*2); + break; + + case 2: + amOut=MemRead32(MemRead32(OpRead32(modAdd+2)) + v60.reg[modVal&0x1F]*4); + break; + } + + return 6; +} + +static UINT32 bam1DirectAddressDeferredIndexed(void) +{ + bamOffset=v60.reg[modVal&0x1F]; + amOut=MemRead32(MemRead32(OpRead32(modAdd+2))+bamOffset/8); + bamOffset&=7; + return 6; +} + +static UINT32 am1Immediate(void) +{ + switch (modDim) + { + case 0: + amOut=OpRead8(modAdd+1); + return 2; + break; + + case 1: + amOut=OpRead16(modAdd+1); + return 3; + break; + + case 2: + amOut=OpRead32(modAdd+1); + return 5; + break; + } + + // It should not be here! Written to avoid warning + assert(0); + return 1; +} + +static UINT32 am1ImmediateQuick(void) +{ + amOut=modVal&0xF; + return 1; +} + + + + +// AM1 Tables (for ReadAM) +// *********************** + +static UINT32 am1Error1(void) +{ + fatalerror("CPU - AM1 - 1 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 bam1Error1(void) +{ + fatalerror("CPU - BAM1 - 1 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 am1Error2(void) +{ + fatalerror("CPU - AM1 - 2 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 bam1Error2(void) +{ + fatalerror("CPU - BAM1 - 2 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +#ifdef UNUSED_FUNCTION +static UINT32 am1Error3(void) +{ + fatalerror("CPU - AM1 - 3 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 bam1Error3(void) +{ + fatalerror("CPU - BAM1 - 3 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} +#endif + +static UINT32 am1Error4(void) +{ + fatalerror("CPU - AM1 - 4 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 bam1Error4(void) +{ + fatalerror("CPU - BAM1 - 4 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 am1Error5(void) +{ + fatalerror("CPU - AM1 - 5 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 bam1Error5(void) +{ + fatalerror("CPU - BAM1 - 5 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 bam1Error6(void) +{ + fatalerror("CPU - BAM1 - 6 (PC=%06x)", PC); + return 0; /* never reached, fatalerror won't return */ +} + +static UINT32 (*const AMTable1_G7a[16])(void) = +{ + am1PCDisplacementIndexed8, + am1PCDisplacementIndexed16, + am1PCDisplacementIndexed32, + am1DirectAddressIndexed, + am1Error5, + am1Error5, + am1Error5, + am1Error5, + am1PCDisplacementIndirectIndexed8, + am1PCDisplacementIndirectIndexed16, + am1PCDisplacementIndirectIndexed32, + am1DirectAddressDeferredIndexed, + am1Error5, + am1Error5, + am1Error5, + am1Error5 +}; + +static UINT32 (*const BAMTable1_G7a[16])(void) = +{ + bam1PCDisplacementIndexed8, + bam1PCDisplacementIndexed16, + bam1PCDisplacementIndexed32, + bam1DirectAddressIndexed, + bam1Error5, + bam1Error5, + bam1Error5, + bam1Error5, + bam1PCDisplacementIndirectIndexed8, + bam1PCDisplacementIndirectIndexed16, + bam1PCDisplacementIndirectIndexed32, + bam1DirectAddressDeferredIndexed, + bam1Error5, + bam1Error5, + bam1Error5, + bam1Error5 +}; + + +static UINT32 am1Group7a(void) +{ + if (!(modVal2&0x10)) + return am1Error4(); + + return AMTable1_G7a[modVal2&0xF](); +} + +static UINT32 bam1Group7a(void) +{ + if (!(modVal2&0x10)) + return bam1Error4(); + + return BAMTable1_G7a[modVal2&0xF](); +} + +static UINT32 (*const AMTable1_G7[32])(void) = +{ + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1ImmediateQuick, + am1PCDisplacement8, + am1PCDisplacement16, + am1PCDisplacement32, + am1DirectAddress, + am1Immediate, + am1Error2, + am1Error2, + am1Error2, + am1PCDisplacementIndirect8, + am1PCDisplacementIndirect16, + am1PCDisplacementIndirect32, + am1DirectAddressDeferred, + am1PCDoubleDisplacement8, + am1PCDoubleDisplacement16, + am1PCDoubleDisplacement32, + am1Error2 +}; + +static UINT32 (*const BAMTable1_G7[32])(void) = +{ + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1Error6, + bam1PCDisplacement8, + bam1PCDisplacement16, + bam1PCDisplacement32, + bam1DirectAddress, + bam1Error6, + bam1Error2, + bam1Error2, + bam1Error2, + bam1PCDisplacementIndirect8, + bam1PCDisplacementIndirect16, + bam1PCDisplacementIndirect32, + bam1DirectAddressDeferred, + bam1PCDoubleDisplacement8, + bam1PCDoubleDisplacement16, + bam1PCDoubleDisplacement32, + bam1Error2 +}; + + + +static UINT32 (*const AMTable1_G6[8])(void) = +{ + am1DisplacementIndexed8, + am1DisplacementIndexed16, + am1DisplacementIndexed32, + am1RegisterIndirectIndexed, + am1DisplacementIndirectIndexed8, + am1DisplacementIndirectIndexed16, + am1DisplacementIndirectIndexed32, + am1Group7a +}; + +static UINT32 (*const BAMTable1_G6[8])(void) = +{ + bam1DisplacementIndexed8, + bam1DisplacementIndexed16, + bam1DisplacementIndexed32, + bam1RegisterIndirectIndexed, + bam1DisplacementIndirectIndexed8, + bam1DisplacementIndirectIndexed16, + bam1DisplacementIndirectIndexed32, + bam1Group7a +}; + + +static UINT32 am1Group6(void) +{ + modVal2=OpRead8(modAdd+1); + return AMTable1_G6[modVal2>>5](); +} + +static UINT32 bam1Group6(void) +{ + modVal2=OpRead8(modAdd+1); + return BAMTable1_G6[modVal2>>5](); +} + + +static UINT32 am1Group7(void) +{ + return AMTable1_G7[modVal&0x1F](); +} + +static UINT32 bam1Group7(void) +{ + return BAMTable1_G7[modVal&0x1F](); +} + +static UINT32 (*const AMTable1[2][8])(void) = +{ + { + am1Displacement8, + am1Displacement16, + am1Displacement32, + am1RegisterIndirect, + am1DisplacementIndirect8, + am1DisplacementIndirect16, + am1DisplacementIndirect32, + am1Group7 + }, + + { + am1DoubleDisplacement8, + am1DoubleDisplacement16, + am1DoubleDisplacement32, + am1Register, + am1Autoincrement, + am1Autodecrement, + am1Group6, + am1Error1 + } +}; + + +static UINT32 (*const BAMTable1[2][8])(void) = +{ + { + bam1Displacement8, + bam1Displacement16, + bam1Displacement32, + bam1RegisterIndirect, + bam1DisplacementIndirect8, + bam1DisplacementIndirect16, + bam1DisplacementIndirect32, + bam1Group7 + }, + + { + bam1DoubleDisplacement8, + bam1DoubleDisplacement16, + bam1DoubleDisplacement32, + bam1Error6, + bam1Autoincrement, + bam1Autodecrement, + bam1Group6, + bam1Error1 + } +}; + + + + |