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Assorted Debugger fixes

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This commit is contained in:
Jeff Parsons 2015-07-20 13:11:46 -07:00
commit c2187e1e1b
28 changed files with 2360 additions and 2212 deletions
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33
tests/pc/80386/tests.nasm
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@ -380,21 +380,44 @@ testROM:
;
movzx eax,byte [0xfffff]
cmp eax,0x00000080
jne error
jne near error
;
; Test moving a word to a 32-bit register with zero-extension
;
movzx eax,word [0xffffe]
cmp eax,0x000080fc
jne error
jne near error
;
; More assorted ZX and SX tests
;
mov esp,0x40000
mov edx,[esp] ; save word at scratch address 0x40000
add esp,4
push -128 ; NASM refuses to use opcode 0x6A ("PUSH imm8")
pop ebx ; verify EBX == 0xFFFFFF80
and ebx,0xff ; verify EBX == 0x00000080
movsx bx,bl ; verify EBX == 0x0000FF80
movsx ebx,bx ; verify EBX == 0xFFFFFF80
movzx bx,bl ; verify EBX == 0xFFFF0080
movzx ebx,bl ; verify EBX == 0x00000080
not ebx ; verify EBX == 0xFFFFFF7F
movsx bx,bl ; verify EBX == 0xFFFF007F
movsx ebx,bl ; verify EBX == 0x0000007F
not ebx ; verify EBX == 0xFFFFFF80
movzx ebx,bx ; verify EBX == 0x0000FF80
movzx bx,bl ; verify EBX == 0x00000080
movsx bx,bl
neg bx
neg bx
movsx ebx,bx
neg ebx
neg ebx
;
; Test assorted 32-bit addressing modes
;
mov ax,SSEG_PROT32 ; we're not going to use the stack, but we want SS != DS for the next tests
mov ax,SSEG_PROT32 ; we want SS != DS for the next tests
mov ss,ax
sub esp,esp
mov edx,[0x40000] ; save word at scratch address 0x40000
mov eax,0x11223344
mov [0x40000],eax ; store a known word at the scratch address