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Flush out Compare opcodes

This commit is contained in:
Jeremiah Orians 2016-05-29 22:51:41 -04:00
parent 7707c5253c
commit 973f8a8033
No known key found for this signature in database
GPG Key ID: 7457821534D2ACCD
2 changed files with 109 additions and 9 deletions
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2
ISA_HEX_Map.txt
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@ -173,3 +173,5 @@ FE xx xx xx
FF xx xx xx # HALT equivelent, although these instructions will all be treated as HALTs. DO NOT USE THEM.
FF FF FF FF # Proper HALT
There is a direct and consistent relationship between the nybbles and the registers.
Reg0 -> 0, Reg1 -> 1, ... Reg14 -> E, Reg15 -> F

116
vm.c
View File

@ -377,6 +377,86 @@ bool eval_2OPI_Int(struct lilith* vm, struct Instruction* c)
vm->reg[c->reg0] = utmp1 + c->raw_Immediate;
break;
}
case 0x12: /* CMPI */
{
break;
}
case 0x13: /* LOAD */
{
break;
}
case 0x14: /* LOAD8 */
{
break;
}
case 0x15: /* LOADU8 */
{
break;
}
case 0x16: /* LOAD16 */
{
break;
}
case 0x17: /* LOADU16 */
{
break;
}
case 0x18: /* LOAD32 */
{
break;
}
case 0x19: /* LOADU32 */
{
break;
}
case 0x1A: /* LOAD64 */
{
break;
}
case 0x1B: /* LOADU64 */
{
break;
}
case 0x1F: /* CMPUI */
{
break;
}
case 0x20: /* STORE */
{
break;
}
case 0x21: /* STORE8 */
{
break;
}
case 0x22: /* STOREU8 */
{
break;
}
case 0x23: /* STORE16 */
{
break;
}
case 0x24: /* STOREU16 */
{
break;
}
case 0x25: /* STORE32 */
{
break;
}
case 0x26: /* STOREU32 */
{
break;
}
case 0x27: /* STORE64 */
{
break;
}
case 0x28: /* STOREU64 */
{
break;
}
default: return true;
}
return false;
@ -400,7 +480,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
/* 0x2C ... 0x3B */
switch(c->raw0)
{
case 0x2C: /*JMP.C*/
case 0x2C: /* JUMP.C */
{
if(1 == C)
{
@ -409,7 +489,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x2D: /*JMP.B*/
case 0x2D: /* JUMP.B */
{
if(1 == B)
{
@ -418,7 +498,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x2E: /*JMP.O*/
case 0x2E: /* JUMP.O */
{
if(1 == O)
{
@ -427,7 +507,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x2F: /*JMP.G*/
case 0x2F: /* JUMP.G */
{
if(1 == GT)
{
@ -436,7 +516,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x30: /*JMP.GE*/
case 0x30: /* JUMP.GE */
{
if((1 == GT) || (1 == EQ))
{
@ -445,7 +525,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x31: /*JMP.E*/
case 0x31: /* JUMP.E */
{
if(1 == EQ)
{
@ -454,7 +534,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x32: /*JMP.NE*/
case 0x32: /* JUMP.NE */
{
if(1 != EQ)
{
@ -463,7 +543,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x33: /*JMP.LE*/
case 0x33: /* JUMP.LE */
{
if((1 == EQ) || (1 == LT))
{
@ -472,7 +552,7 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x34: /*JMP.L*/
case 0x34: /* JUMP.L */
{
if(1 == LT)
{
@ -481,6 +561,24 @@ bool eval_1OPI(struct lilith* vm, struct Instruction* c)
}
break;
}
case 0x35: /* JUMP.Z */
{
if(0 == tmp)
{
/* Adust the IP relative the the start of this instruction*/
vm->ip = vm->ip + c->raw_Immediate - 4;
}
break;
}
case 0x36: /* JUMP.NZ */
{
if(0 != tmp)
{
/* Adust the IP relative the the start of this instruction*/
vm->ip = vm->ip + c->raw_Immediate - 4;
}
break;
}
default: return true;
}
return false;