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--- sd-8516_programmer_s_reference_guide [2026/01/30 01:25] – appledog
+++ sd-8516_programmer_s_reference_guide [2026/01/30 02:03] (current) – appledog
@@ Line 6: / Line 6: @@
 The SD-8516 is intended to be an easy to learn architecture which remains era-authentic.
-* 6809: 59 opcodes "the most elegant 8 bit CPU ever designed"
+^ CPU ^ Opcodes ^ Assembler ^ Notes ^
-* **SD-8516: 83 to 105 opcodes**
+|
-* 8086: 117 opcodes "standard of the era"
+| SD-8516 | 56 opcodes | 105 opcodes | |
-* 6502: 151 opcodes "standard of the era"
+| 6809 | 59 opcodes | 154+ | "the most elegant 8 bit CPU ever designed" |
-* Z80: 158 opcodes (instruction mnemonics)
+| 8086 | 117 opcodes | 117 | standard of the era |
-* 8080: 244 opcodes
+| 6502 | 151 opcodes | 151 | standard of the era |
+| Z80 | 158 opcodes | hundreds | prefix machine--158 base opcodes |
+| 8080 | 244 opcodes | | |
-* //* NOTE: There are 83 distinct opcodes. However, the assembler allows convenience instructions such as assembling CLC (clear carry) to CLRF $04, or allowing JSR instead of CALL. If you consider the alternate forms, there are 105 opcodes.//
 === Key Specifications