Adders and Ladders (v2.1d) (MPU4 Video)
Game Information
| manufacturer | Barcrest |
| year | 1989 |
| clone of | v4addlad |
| other clones | v4addlad20 v4addladd |
| genre | N/A |
| downloads | 0 |
Screenshots
Download Details
| split set | v4addladd.zip 22.29k |
| parent set | v4addlad.zip 515.54k ↗ |
| standalone set | v4addladd.7z 385.62k |
Driver Details
| source | barcrest/mpu4vid.cpp |
| status | imperfect |
| emulation | good |
| savestate | unsupported |
| graphics | imperfect |
| sound | imperfect |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 504px |
| height | 296px |
| refresh | 49.92mhz |
Input Details
| player | 1 |
| type | only_buttons |
| buttons | 9 |
| directions | N/A |
Chipset Details
| name | Motorola MC6809 |
| clock | 6.56mhz |
| name | Motorola MC68000 |
| clock | 9.54mhz |
| name | AY-3-8913 PSG |
| clock | 1.64mhz |
| name | Speaker |
| clock | N/A |
| name | 1-Bit DAC |
| clock | N/A |
| name | Speaker |
| clock | N/A |
| name | Speaker |
| clock | N/A |
| name | Philips SAA1099 |
| clock | 7.63mhz |
ROM Details
| name | size | crc |
|---|---|---|
| vid.p1 | 64.00k | e996bc18 |
| ald_21.p1 | 64.00k | ecc7c79c |
| al_21.p2 | 64.00k | d5909619 |
| al_21.p3 | 64.00k | 5dc65d9f |
| al_21.p4 | 64.00k | 17c77264 |
| al.q1 | 64.00k | b9b50b70 |
| al.q2 | 64.00k | 1bed86ac |
| al.q3 | 64.00k | 294d8f28 |
| al.q4 | 64.00k | aa3e9fbd |
| al.q5 | 64.00k | 503f4193 |
| al.q6 | 64.00k | 9fd77e52 |
| al.q7 | 64.00k | cf3fa7c7 |
| al.q8 | 64.00k | 55058a63 |
| al.q9 | 64.00k | 22274191 |
| al.qa | 64.00k | 1fe98b4d |
| addersandladders_video_mpu4.chr | 4.00k | 2e191981 |