minidragon
DragonMinded
Hardware and software files for the MiniDragon CPU.
Components (55)
| Reference | Value | Description |
|---|---|---|
| B1,B3,B9,B12,B23,B54,B61,B67,B70,B81 | LOWER | |
| B2,B4,B10,B11,B24,B53,B62,B66,B69,B80 | UPPER | |
| B15 | PC Sel | |
| B16 | Carry | |
| B17,B27 | Zero | |
| B25 | Immediate 6 | |
| B26 | Immediate 4 | |
| B32 | Load Instruction | |
| B33 | Bit 0 | |
| B34 | Bit 1 | |
| B35 | Bit 2 | |
| B36 | Bit 3 | |
| B41 | Instruction Load Microcode | |
| B72 | 2nd Nibble | |
| B73 | 1st Nibble | |
| B76 | 4th Nibble | |
| B77 | 3rd Nibble | |
| B82 | PC 2nd Nibble | |
| B83 | PC 1st Nibble | |
| B86 | PC 4th Nibble | |
| B87 | PC 3rd Nibble | |
| B90 | SPC 2nd Nibble | |
| B91 | SPC 1st Nibble | |
| B94 | SPC 4th Nibble | |
| B95 | SPC 3rd Nibble | |
| B98 | C Select | |
| B99 | P Select | |
| B100 | Addr Select | |
| B101 | ALU Select | |
| B103 | JRI | |
| B105 | End Instruction Common Microcode | |
| B106 | ADDI | |
| B110 | ADDPCI | |
| B164 | SUBPCI | |
| B175 | 2OP_ALU | |
| B176 | B Source | |
| B177 | ALU OP | |
| B178,B180 | Carry Src | |
| B179 | Shift OP | |
| B181 | SHR ALU OP | |
| B182 | PUSHIP 1&2 | |
| B183 | PUSHIP 3 | |
| B186 | PUSHIP DST | |
| B189 | SHL ALU OP | |
| B195 | Shared ROM | |
| B197 | SKIPIF | |
| B198 | INV | |
| B204 | ATOP | |
| B205 | ATOC | |
| B206 | PTOA | |
| B207 | CTOA | |
| B208 | ATOU | |
| B209 | UTOA | |
| B210 | ATOV | |
| B211 | VTOA |