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| ID | Category | Severity | Reproducibility | Date Submitted | Last Update | ||
| 0000102 | [Cheat Engine] | block | always | 2009-02-06 15:14 | 2009-11-03 19:04 | ||
| Reporter | Csimbi | View Status | public | ||||
| Assigned To | Dark Byte | ||||||
| Priority | normal | Resolution | fixed | ||||
| Status | resolved | ||||||
| Summary | 0000102: CE 5.5 Valid ASM instruction not accepted | ||||||
| Description |
Hi there, I am writing a script, which includes the imul instruction. CE does not accept the instruction - even though it is OK, according to Intel. This is my instruction: imul eax,0A The error is shown on the screen shot that I attached. |
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| Additional Information |
Inteläs instruction set reference says (quote): Opcode Instruction Description F6 /5 IMUL r/m8 AX? AL ? r/m byte. F7 /5 IMUL r/m16 DX:AX ? AX ? r/m word. F7 /5 IMUL r/m32 EDX:EAX ? EAX ? r/m doubleword. 0F AF /r IMUL r16,r/m16 word register ? word register ? r/m word. 0F AF /r IMUL r32,r/m32 doubleword register ? doubleword register ? r/m doubleword. 6B /r ib IMUL r16,r/m16,imm8 word register ? r/m16 ? sign-extended immediate byte. 6B /r ib IMUL r32,r/m32,imm8 doubleword register ? r/m32 ? sign-extended immediate byte. 6B /r ib IMUL r16,imm8 word register ? word register ? sign-extended immediate byte. 6B /r ib IMUL r32,imm8 doubleword register ? doubleword register ? signextended immediate byte. 69 /r iw IMUL r16,r/ m16,imm16 word register ? r/m16 ? immediate word. 69 /r id IMUL r32,r/ m32,imm32 doubleword register ? r/m32 ? immediate doubleword. 69 /r iw IMUL r16,imm16 word register ? r/m16 ? immediate word. 69 /r id IMUL r32,imm32 doubleword register ? r/m32 ? immediate doubleword. Description Performs a signed multiplication of two operands. This instruction has three forms, depending on the number of operands. • One-operand form. This form is identical to that used by the MUL instruction. Here, the source operand (in a general-purpose register or memory location) is multiplied by the value in the AL, AX, or EAX register (depending on the operand size) and the product is stored in the AX, DX:AX, or EDX:EAX registers, respectively. • Two-operand form. With this form the destination operand (the first operand) is multiplied by the source operand (second operand). The destination operand is a general purpose register and the source operand is an immediate value, a general-purpose register, or a memory location. The product is then stored in the destination operand location. • Three-operand form. This form requires a destination operand (the first operand) and two source operands (the second and the third operands). Here, the first source operand (which can be a general-purpose register or a memory location) is multiplied by the second source operand (an immediate value). The product is then stored in the destination operand (a general-purpose register). When an immediate value is used as an operand, it is sign-extended to the length of the destination operand format. According to this, the "Two-operand form" should work. |
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| Tags | No tags attached. | ||||||
| Attached Files |
 ERROR.PNG [^] (10,184 bytes) 2009-02-06 15:14 |
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(0000224) Csimbi (reporter) 2009-02-06 15:17 edited on: 2009-02-06 15:19 |
For now - as a workaround - I put this there: imul eax,eax,0A This one is accepted. |
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(0000228) Dark Byte (developer) 2009-02-07 04:32 |
managed to reproduce but no idea where it comes from |
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(0000313) Dark Byte (developer) 2009-11-03 19:04 |
fixed in svn |
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Issue History |
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| Date Modified | Username | Field | Change |
| 2009-02-06 15:14 | Csimbi | New Issue | |
| 2009-02-06 15:14 | Csimbi | File Added: ERROR.PNG | |
| 2009-02-06 15:17 | Csimbi | Note Added: 0000224 | |
| 2009-02-06 15:18 | Csimbi | Issue Monitored: Csimbi | |
| 2009-02-06 15:19 | Csimbi | Note Edited: 0000224 | |
| 2009-02-07 04:32 | Dark Byte | Note Added: 0000228 | |
| 2009-02-07 04:32 | Dark Byte | Status | new => confirmed |
| 2009-11-03 19:04 | Dark Byte | Note Added: 0000313 | |
| 2009-11-03 19:04 | Dark Byte | Status | confirmed => resolved |
| 2009-11-03 19:04 | Dark Byte | Resolution | open => fixed |
| 2009-11-03 19:04 | Dark Byte | Assigned To | => Dark Byte |
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