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Commit | Line | Data |
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1 | #define c3(x) (0xff & (x>>24)) | |
2 | #define c2(x) (0xff & (x>>16)) | |
3 | #define c1(x) (0xff & (x>> 8)) | |
4 | #define c0(x) (0xff & (x )) | |
5 | #define LSL(x) carry = x>>7; x <<= 1; | |
6 | #define LSR(x) carry = x&1; x >>= 1; | |
7 | #define SWAP(x) x = ((x & 0x0F) << 4 | (x & 0xF0) >> 4); | |
8 | #define AND(x,y) x &= y; | |
9 | #define ANDI(x,n) x &= n; | |
10 | #define OR(x,y) x |= y; | |
11 | #define ORI(x,n) x |= n; | |
12 | #define EOR(x,y) x ^= y; | |
13 | #define ADD(x,y) carry = (x+y)>>8; x += y; | |
14 | #define ADC(x,y,c)x += y; x+=c; //TODO: carry | |
15 | #define SUB(x,y) x -= y; //TODO: carry | |
16 | #define SUBI(x,n) x -= (u8)n; //TODO: carry | |
17 | #define INC(x) x++; //WARN: does not set carry | |
18 | #define DEC(x) x--; sr_zero=!x; | |
19 | #define MOV(x,y) x = y; | |
20 | #define LDI(x,n) x = n; | |
21 | #define SBRC(x,b) if (x & 1<<b) //skip if cleared => do if set | |
22 | #define SBRS(x,b) if (!(x & 1<<b)) //skip if set => do if not | |
23 | #define CLR(x) x = 0; | |
24 | #define RET return; | |
25 | #define RCALL //pseudo | |
26 | int sr_zero = 0; //status register zero bit | |
27 | #define TST(x) if(x==0)sr_zero=1;else sr_zero=0; //WARN: not a complete TST mockup | |
28 | #define BREQ(l) if(sr_zero) goto l; | |
29 | #define BRNE(l) if(!sr_zero) goto l; | |
30 | int carry = 0; //status register carry bit //WARN: not respected by all mocked instructions | |
31 | int asmtmp = 0; | |
32 | #define ROL(x) asmtmp = x>>7; x <<= 1; x |= carry; carry = asmtmp; | |
33 | #define ROR(x) asmtmp = x&0x1; x >>= 1; x |= carry<<7; carry = asmtmp; | |
34 | #define NEG(x) x *= -1; | |
35 | int sr_neg = 0; | |
36 | #define CPI(x,n) sr_neg = (x-n < 0); //WARN: not a complete CPI mockup | |
37 | #define BRPL(l) if (sr_neg) goto l; | |
38 | #define RJMP(l) goto l; |