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various fixes and additions around datatypes
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13xforever
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Jun 5, 2017
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,183 @@ | ||
| ; samples from Chapter 3: The NASM Language | ||
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| fadd st1 ; this sets st0 := st0 + st1 | ||
| fadd st0,st1 ; so does this | ||
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| fadd st1,st0 ; this sets st1 := st1 + st0 | ||
| fadd to st1 ; so does this | ||
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| db, dw, dd, dq, dt, do, dy, dz | ||
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| db 0x55 ; just the byte 0x55 | ||
| db 0x55,0x56,0x57 ; three bytes in succession | ||
| db 'a',0x55 ; character constants are OK | ||
| db 'hello',13,10,'$' ; so are string constants | ||
| dw 0x1234 ; 0x34 0x12 | ||
| dw 'a' ; 0x61 0x00 (it's just a number) | ||
| dw 'ab' ; 0x61 0x62 (character constant) | ||
| dw 'abc' ; 0x61 0x62 0x63 0x00 (string) | ||
| dd 0x12345678 ; 0x78 0x56 0x34 0x12 | ||
| dd 1.234567e20 ; floating-point constant | ||
| dq 0x123456789abcdef0 ; eight byte constant | ||
| dq 1.234567e20 ; double-precision float | ||
| dt 1.234567e20 ; extended-precision float | ||
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| resb, resw, resd, resq, rest, reso, resy, resz | ||
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| buffer: resb 64 ; reserve 64 bytes | ||
| wordvar: resw 1 ; reserve a word | ||
| realarray resq 10 ; array of ten reals | ||
| ymmval: resy 1 ; one YMM register | ||
| zmmvals: resz 32 ; 32 ZMM registers | ||
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| incbin "file.dat" ; include the whole file | ||
| incbin "file.dat",1024 ; skip the first 1024 bytes | ||
| incbin "file.dat",1024,512 ; skip the first 1024, and | ||
| ; actually include at most 512 | ||
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| message db 'hello, world' | ||
| msglen equ $-message | ||
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| zerobuf: times 64 db 0 | ||
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| buffer: db 'hello, world' | ||
| times 64-$+buffer db ' ' | ||
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| times 100 movsb | ||
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| wordvar dw 123 | ||
| mov ax,[wordvar] | ||
| mov ax,[wordvar+1] | ||
| mov ax,[es:wordvar+bx] | ||
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| mov eax,[ebx*2+ecx+offset] | ||
| mov ax,[bp+di+8] | ||
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| mov eax,[ebx*5] ; assembles as [ebx*4+ebx] | ||
| mov eax,[label1*2-label2] ; ie [label1+(label1-label2)] | ||
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| mov eax,[ebx+8,ecx*4] ; ebx=base, ecx=index, 4=scale, 8=disp | ||
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| ; bndstx | ||
| ; next 5 lines are parsed same | ||
| ; base=rax, index=rbx, scale=1, displacement=3 | ||
| bndstx [rax+0x3,rbx], bnd0 ; NASM - split EA | ||
| bndstx [rbx*1+rax+0x3], bnd0 ; GAS - '*1' indecates an index reg | ||
| bndstx [rax+rbx+3], bnd0 ; GAS - without hints | ||
| bndstx [rax+0x3], bnd0, rbx ; ICC-1 | ||
| bndstx [rax+0x3], rbx, bnd0 ; ICC-2 | ||
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| VDIVPS zmm4, zmm5, dword [rbx]{1to16} ; single-precision float | ||
| VDIVPS zmm4, zmm5, zword [rbx] ; packed 512 bit memory | ||
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| mov ax,200 ; decimal | ||
| mov ax,0200 ; still decimal | ||
| mov ax,0200d ; explicitly decimal | ||
| mov ax,0d200 ; also decimal | ||
| mov ax,0c8h ; hex | ||
| mov ax,$0c8 ; hex again: the 0 is required | ||
| mov ax,0xc8 ; hex yet again | ||
| mov ax,0hc8 ; still hex | ||
| mov ax,310q ; octal | ||
| mov ax,310o ; octal again | ||
| mov ax,0o310 ; octal yet again | ||
| mov ax,0q310 ; octal yet again | ||
| mov ax,11001000b ; binary | ||
| mov ax,1100_1000b ; same binary constant | ||
| mov ax,1100_1000y ; same binary constant once more | ||
| mov ax,0b1100_1000 ; same binary constant yet again | ||
| mov ax,0y1100_1000 ; same binary constant yet again | ||
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| db `\u263a` ; UTF-8 smiley face | ||
| db `\xe2\x98\xba` ; UTF-8 smiley face | ||
| db 0E2h, 098h, 0BAh ; UTF-8 smiley face | ||
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| mov eax,'abcd' | ||
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| db 'hello' ; string constant | ||
| db 'h','e','l','l','o' ; equivalent character constants | ||
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| dd 'ninechars' ; doubleword string constant | ||
| dd 'nine','char','s' ; becomes three doublewords | ||
| db 'ninechars',0,0,0 ; and really looks like this | ||
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| __utf16__, __utf16le__, __utf16be__, __utf32__, __utf32le__, __utf32be__ | ||
| __float8__, __float16__, __float32__, __float64__, __float80m__, __float80e__, __float128l__, __float128h__ | ||
| __Infinity__, __QNaN__, __NaN__, __SNaN__ | ||
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| %define u(x) __utf16__(x) | ||
| %define w(x) __utf32__(x) | ||
| dw u('C:\WINDOWS'), 0 ; Pathname in UTF-16 | ||
| dd w(`A + B = \u206a`), 0 ; String in UTF-32 | ||
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| db -0.2 ; "Quarter precision" | ||
| dw -0.5 ; IEEE 754r/SSE5 half precision | ||
| dd 1.2 ; an easy one | ||
| dd 1.222_222_222 ; underscores are permitted | ||
| dd 0x1p+2 ; 1.0x2^2 = 4.0 | ||
| dq 0x1p+32 ; 1.0x2^32 = 4 294 967 296.0 | ||
| dq 1.e10 ; 10 000 000 000.0 | ||
| dq 1.e+10 ; synonymous with 1.e10 | ||
| dq 1.e-10 ; 0.000 000 000 1 | ||
| dt 3.141592653589793238462 ; pi | ||
| do 1.e+4000 ; IEEE 754r quad precision | ||
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| mov rax,__float64__(3.141592653589793238462) | ||
| mov rax,0x400921fb54442d18 | ||
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| %define Inf __Infinity__ | ||
| %define NaN __QNaN__ | ||
| dq +1.5, -Inf, NaN ; Double-precision constants | ||
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| dt 12_345_678_901_245_678p | ||
| dt -12_345_678_901_245_678p | ||
| dt +0p33 | ||
| dt 33p | ||
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| mov ax,seg symbol | ||
| mov es,ax | ||
| mov bx,symbol | ||
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| mov ax,weird_seg ; weird_seg is a segment base | ||
| mov es,ax | ||
| mov bx,symbol wrt weird_seg | ||
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| call (seg procedure):procedure | ||
| call weird_seg:(procedure wrt weird_seg) | ||
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| dw symbol, seg symbol | ||
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| push dword 33 | ||
| push strict dword 33 | ||
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| times (label-$) db 0 | ||
| label: db 'Where am I?' | ||
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| times (label-$+1) db 0 | ||
| label: db 'NOW where am I?' | ||
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| label1 ; some code | ||
| .loop | ||
| ; some more code | ||
| jne .loop | ||
| ret | ||
| label2 ; some code | ||
| .loop | ||
| ; some more code | ||
| jne .loop | ||
| ret | ||
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| label3 ; some more code | ||
| ; and some more | ||
| jmp label1.loop | ||
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| label1: ; a non-local label | ||
| .local: ; this is really label1.local | ||
| ..@foo: ; this is a special symbol | ||
| label2: ; another non-local label | ||
| .local: ; this is really label2.local | ||
| jmp ..@foo ; this will jump three lines up | ||
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| ; non-nasm signed types | ||
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| sbyte sword sdword sqword |
Submodule language-x86_64-assembly
updated
3 files
| +7 −0 | CHANGELOG.md | |
| +21 −9 | grammars/x86_64 assembly.cson | |
| +1 −1 | package.json |
Submodule language-x86_64-assembly
updated
3 files
| +7 −0 | CHANGELOG.md | |
| +1 −1 | package.json | |
| +27 −9 | syntaxes/language-x86_64-assembly.tmLanguage |
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