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< a name = "l1" > < / a > < span class = cF5 > Assembler< / span > < span class = cF0 >
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< a name = "l2" > < / a >
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< a name = "l3" > < / a > See < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Compiler/OpCodes.DD.html#l1" > < span class = cF4 > ::/Compiler/OpCodes.DD< / span > < / a > < span class = cF0 > for opcodes. They're not standard. Some invalid insts are not flagged and some valid insts are not
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< a name = "l4" > < / a > implemented. 16-bit asm support is limited.
< a name = "l5" > < / a >
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< a name = "l6" > < / a > Here are example instruction formats:
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< a name = "l7" > < / a > < / span > < span class = cF1 > ADD< / span > < span class = cF0 > < / span > < span class = cFC > RAX< / span > < span class = cF0 > , < / span > < span class = cF9 > I64< / span > < span class = cF0 > < / span > < span class = cFC > FS< / span > < span class = cF0 > :DISP[< / span > < span class = cFC > RSI< / span > < span class = cF0 > + < / span > < span class = cFC > RDI< / span > < span class = cF0 > * < / span > < span class = cFE > 8< / span > < span class = cF0 > ]
< a name = "l8" > < / a > < / span > < span class = cF1 > ADD< / span > < span class = cF0 > < / span > < span class = cFC > RAX< / span > < span class = cF0 > , < / span > < span class = cF9 > I64< / span > < span class = cF0 > [DISP]
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< a name = "l9" > < / a >
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< a name = "l10" > < / a > < / span > < span class = cF2 > $< / span > < span class = cF0 > Current compiler output pos (instruction ptr). Even works in CosmiC expressions.
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< a name = "l11" > < / a >
< a name = "l12" > < / a > < / span > < span class = cF2 > $< / span > < span class = cF0 > works in < / span > < span class = cF2 > class< / span > < span class = cF0 > es.
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< a name = "l13" > < / a > < / span > < span class = cF2 > class MyFun
< a name = "l14" > < / a > {
< a name = "l15" > < / a > $ = -16;
< a name = "l16" > < / a > I64 local1;
< a name = "l17" > < / a > I64 local2;
< a name = "l18" > < / a > $ = $ + 256;
< a name = "l19" > < / a > I64 crazy;
< a name = "l20" > < / a > };< / span > < span class = cF0 >
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< a name = "l21" > < / a >
< a name = "l22" > < / a > < / span > < span class = cF4 > LABEL< / span > < span class = cF2 > ::
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< a name = "l23" > < / a > < / span > < span class = cF0 > Defines an exported global label.
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< a name = "l24" > < / a >
< a name = "l25" > < / a > < / span > < span class = cF4 > LABEL< / span > < span class = cF2 > :
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< a name = "l26" > < / a > < / span > < span class = cF0 > Defines an non-exported global label.
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< a name = "l27" > < / a >
< a name = "l28" > < / a > < / span > < span class = cF2 > @@< / span > < span class = cF4 > LABEL< / span > < span class = cF2 > :
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< a name = "l29" > < / a > < / span > < span class = cF0 > Defines a local label with scope valid between two global labels.
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< a name = "l30" > < / a >
< a name = "l31" > < / a > < / span > < span class = cF2 > DU8< / span > < span class = cF0 > , < / span > < span class = cF2 > DU16< / span > < span class = cF0 > , < / span > < span class = cF2 > DU32< / span > < span class = cF0 > , < / span > < span class = cF2 > DU64< / span > < span class = cF0 >
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< a name = "l32" > < / a > Define BYTE, WORD, DWORD or QWORD. Can be used with < / span > < span class = cF2 > DUP()< / span > < span class = cF0 > and ASCII strings. For your convenience, the ASCII strings do
< a name = "l33" > < / a > not have terminating zeros. Define cmds must end with a semicolon.
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< a name = "l34" > < / a >
< a name = "l35" > < / a > < / span > < span class = cF2 > USE16< / span > < span class = cF0 > , < / span > < span class = cF2 > USE32< / span > < span class = cF0 > , < / span > < span class = cF2 > USE64< / span > < span class = cF0 >
< a name = "l36" > < / a >
< a name = "l37" > < / a > < / span > < span class = cF2 > IMPORT< / span > < span class = cF0 > < / span > < span class = cF4 > sym1name< / span > < span class = cF0 > , < / span > < span class = cF4 > sym2name< / span > < span class = cF0 > ;
< a name = "l38" > < / a >
< a name = "l39" > < / a > < / span > < span class = cF2 > LIST< / span > < span class = cF0 > , < / span > < span class = cF2 > NOLIST< / span > < span class = cF0 >
< a name = "l40" > < / a >
< a name = "l41" > < / a > < / span > < span class = cF2 > ALIGN< / span > < span class = cF0 > < / span > < span class = cF4 > num< / span > < span class = cF0 > , < / span > < span class = cF4 > fill_byte< / span > < span class = cF0 >
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< a name = "l42" > < / a > Align to < / span > < span class = cF4 > num< / span > < span class = cF0 > boundary and fill with < / span > < span class = cF4 > fill_byte< / span > < span class = cF0 > .
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< a name = "l43" > < / a >
< a name = "l44" > < / a > < / span > < span class = cF2 > ORG< / span > < span class = cF0 > < / span > < span class = cF4 > num< / span > < span class = cF0 >
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< a name = "l45" > < / a > Set code addr for JIT or set module < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Kernel/KLoad.CC.html#l208" > < span class = cF4 > Load< / span > < / a > < span class = cF0 > () addr -- has 16-byte < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l452" > < span class = cF4 > CBinFile< / span > < / a > < span class = cF0 > header and patch table trailing.
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< a name = "l46" > < / a >
< a name = "l47" > < / a > < / span > < span class = cF2 > BINFILE< / span > < span class = cF4 > " FileName.BIN" < / span > < span class = cF0 > ;
< a name = "l48" > < / a >
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< a name = "l49" > < / a > See < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Doc/GuideLines.DD.html#l129" > < span class = cF4 > Assembly Language< / span > < / a > < span class = cF0 > , < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Asm/AsmAndC1.CC.html#l1" > < span class = cF4 > ::/Demo/Asm/AsmAndC1.CC< / span > < / a > < span class = cF0 > , < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Asm/AsmAndC2.CC.html#l1" > < span class = cF4 > ::/Demo/Asm/AsmAndC2.CC< / span > < / a > < span class = cF0 > and < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Asm/AsmAndC3.CC.html#l1" > < span class = cF4 > ::/Demo/Asm/AsmAndC3.CC< / span > < / a > < span class = cF0 > .
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