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Update 6502 flags handling.

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This commit is contained in:
Alessandro Gatti
2021-06-02 16:34:00 +02:00
parent 68a9c0a5a3
commit 843a5c2261
1 changed files with 5 additions and 3 deletions
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8
Ghidra/Processors/6502/data/languages/6502.slaspec
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@@ -373,6 +373,7 @@ ADDRI: imm16 is imm16 { tmp:2 = imm16; export *:2 tmp; }
{ {
SP = SP + 1; SP = SP + 1;
A = *:1 (SP); A = *:1 (SP);
resultFlags(A);
} }
:ROL OP2 is (op=0x26 | op=0x2A | op=0x2E | op=0x36 | op=0x3E) ... & OP2 :ROL OP2 is (op=0x26 | op=0x2A | op=0x2E | op=0x36 | op=0x3E) ... & OP2
@@ -448,29 +449,28 @@ ADDRI: imm16 is imm16 { tmp:2 = imm16; export *:2 tmp; }
:STA OP1 is (cc=1 & aaa=4) ... & OP1 :STA OP1 is (cc=1 & aaa=4) ... & OP1
{ {
OP1 = A; OP1 = A;
resultFlags(A);
} }
:STX OP2ST is (op=0x86 | op=0x8E | op=0x96) ... & OP2ST :STX OP2ST is (op=0x86 | op=0x8E | op=0x96) ... & OP2ST
{ {
OP2ST = X; OP2ST = X;
resultFlags(X);
} }
:STY OP2 is (op=0x84 | op=0x8C | op=0x94) ... & OP2 :STY OP2 is (op=0x84 | op=0x8C | op=0x94) ... & OP2
{ {
OP2 = Y; OP2 = Y;
resultFlags(Y);
} }
:TAX is op=0xAA :TAX is op=0xAA
{ {
X = A; X = A;
resultFlags(X);
} }
:TAY is op=0xA8 :TAY is op=0xA8
{ {
Y = A; Y = A;
resultFlags(Y);
} }
:TSX is op=0xBA :TSX is op=0xBA
@@ -481,6 +481,7 @@ ADDRI: imm16 is imm16 { tmp:2 = imm16; export *:2 tmp; }
:TXA is op=0x8A :TXA is op=0x8A
{ {
A = X; A = X;
resultFlags(A);
} }
:TXS is op=0x9A :TXS is op=0x9A
@@ -491,4 +492,5 @@ ADDRI: imm16 is imm16 { tmp:2 = imm16; export *:2 tmp; }
:TYA is op=0x98 :TYA is op=0x98
{ {
A = Y; A = Y;
resultFlags(A);
} }