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Syntax highlighting and IntelliSense for 8051/8052 assembly language in Visual Studio Code.

• Comments starting with semicolon (;)
• Double quotation mark (") strings (with escape character recognition)
• Numbers in various bases
  • Hexadecimal (case-insensitive)
  • Binary numbers are case-insensitive and support segmentation with underscores (_), i.e., 0b1010_0101
  • Decimal excludes numbers ending with $ (reserved for inside jump labels)
  • A single character enclosed in single quotation marks (') is also treated as a number
• 8051/8052 assembly language mnemonics
• Common built-in registers:
  • Only supports A, ACC, AB, B, C, DPH, DPL, DPTR, PSW, SP, R0R7 and AR0AR7
• Common assembly directives:
  • Data definition: .org, .db, .dw, .ds, .equ, .set, .end, .include, etc.
  • Conditional compilation: .if....else....endif, etc.
  • Macro definition: macro...endm, etc.
  • Repetitive iteration: rept...endr, irp, irpc, etc.
• SDCC proprietary assembly directives:
  • Segments and symbol declaration: .module, .area, .globl, etc.
  • Flow control extensions: iff, ift, iftf, ifxx, etc.
  • Full directive reference: asmlnk.txt
• Keil proprietary assembly directives

1. Open Visual Studio Code
2. Press Ctrl+Shift+X (or Cmd+Shift+X on Mac) to open Extensions view
3. Search for "8052 Assembly" or "asm8052"
4. Click Install

1. Download the .vsix file from Releases
2. Open Visual Studio Code
3. Press Ctrl+Shift+P (or Cmd+Shift+P on Mac) to open Command Palette
4. Type "Extensions: Install from VSIX..." and select it
5. Choose the downloaded .vsix file

Licensed under the Apache License 2.0.