| Adders & Ladders (Barcrest) (DAL, Dutch) (MPU4) (clone of: m4addr) | 1969 | Barcrest | m4addrd | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr10 | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr10_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0C, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr10c | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0C, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr10c_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0D, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr10d | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0D, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr10d_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0YD, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr10yd | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0YD, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr10yd_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr3 | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0, set 2) (clone of: m4addr) | 1993 | Bwb | m4addr3_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0, set 3) (clone of: m4addr) | 1993 | Bwb | m4addr3_b | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0, set 4) (clone of: m4addr) | 1993 | Bwb | m4addr3_c | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0, set 5) (clone of: m4addr) | 1993 | Bwb | m4addr3_d | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0D, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr3d | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0D, set 2) (clone of: m4addr) | 1993 | Bwb | m4addr3d_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0D, set 3) (clone of: m4addr) | 1993 | Bwb | m4addr3d_b | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0D, set 4) (clone of: m4addr) | 1993 | Bwb | m4addr3d_c | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0YD, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr3yd | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0YD, set 2) (clone of: m4addr) | 1993 | Bwb | m4addr3yd_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0YD, set 3) (clone of: m4addr) | 1993 | Bwb | m4addr3yd_b | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 3.0YD, set 4) (clone of: m4addr) | 1993 | Bwb | m4addr3yd_c | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr4 | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr4_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0C, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr4c | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0C, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr4c_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0C, set 3) (clone of: m4addr) | 1994 | Bwb | m4addr4c_b | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0D, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr4d | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 4.0YD, set 1) (clone of: m4addr) | 1993 | Bwb | m4addr4yd | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr5 | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr5_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0C, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr5c | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0C, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr5c_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0D, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr5d | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0D, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr5d_a | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0YD, set 1) (clone of: m4addr) | 1994 | Bwb | m4addr5yd | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 5.0YD, set 2) (clone of: m4addr) | 1994 | Bwb | m4addr5yd_a | |
| Adders & Ladders (Barcrest) (MPU4) (A6L 0.1C) (clone of: m4addr) | 1991 | Barcrest | m4addr6lc | |
| Adders & Ladders (Barcrest) (MPU4) (A6L 0.1D) (clone of: m4addr) | 1991 | Barcrest | m4addr6ld | |
| Adders & Ladders (Barcrest) (MPU4) (A6L 0.1K) (clone of: m4addr) | 1991 | Barcrest | m4addr6lk | |
| Adders & Ladders (Barcrest) (MPU4) (A6L 0.1Y) (clone of: m4addr) | 1991 | Barcrest | m4addr6ly | |
| Adders & Ladders (Barcrest) (MPU4) (A6L 0.1YBD) (clone of: m4addr) | 1991 | Barcrest | m4addr6lybd | |
| Adders & Ladders (Barcrest) (MPU4) (A6L 0.1YD) (clone of: m4addr) | 1991 | Barcrest | m4addr6lyd | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0C, hack?, set 1) (clone of: m4addr) | 1994 | hack? | m4addr_h1 | |
| Adders & Ladders (Bwb / Barcrest) (MPU4) (ADD 1.0C, hack?, set 2) (clone of: m4addr) | 1994 | hack? | m4addr_h2 | |
