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Merge remote-tracking branch 'origin/GT-3366_ghidorahrex_6805_bset_bug'

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(fixes #1307)
This commit is contained in:
Ryan Kurtz
2019-12-13 10:37:27 -05:00
parent ca21388e65 b8d6136505
commit b22960b9f1
1 changed files with 8 additions and 6 deletions
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Ghidra/Processors/6805/data/languages/6805.slaspec
+8 -6
View File
@@ -1,5 +1,4 @@
# sleigh specification file for Motorola 6805
@define SWI_VECTOR "0x3FFC"
define endian=big;
define alignment=1;
@@ -10,6 +9,7 @@ define register offset=0x00 size=1 [ A X ];
define register offset=0x20 size=2 [ PC SP];
define register offset=0x30 size=1 [H I N Z C]; # status bits
define RAM offset=0x3ffc size=2 [ SWI_VECTOR ];
#TOKENS
define token opbyte (8)
@@ -234,16 +234,19 @@ DIRECT: imm8 is imm8 { export *:1 imm8; }
local result = DIRECT & mask;
if (result == 0) goto REL;
}
:BRSET n,DIRECT,REL is op4_7=0 & bit_0=0 & n; DIRECT; REL
{
local mask = (1 << n);
local result = DIRECT & mask;
if (result != 0) goto REL;
}
:BSET n,DIRECT is op4_7=1 & bit_0=0 & n; DIRECT {
local mask = ~(1 << n);
DIRECT = DIRECT & mask;
local mask = (1 << n);
DIRECT = DIRECT | mask;
}
:BSR REL is op=0xAD; REL
{
SP=SP-1;
@@ -316,7 +319,7 @@ DIRECT: imm8 is imm8 { export *:1 imm8; }
local tmp = X - op1;
Z = tmp == 0;
N = tmp s< 0;
C = (A < op1);
C = (X < op1);
}
:DECA is op=0x4A
{
@@ -627,8 +630,7 @@ DIRECT: imm8 is imm8 { export *:1 imm8; }
*:1 SP = A;
tmp:1 = (H << 4) | (I << 3) | (N << 2) | ( Z << 1) | C;
I = 1;
addr:2 = $(SWI_VECTOR);
call [addr];
call [SWI_VECTOR];
}
:TAX is op=0x97