1048 ROM_START( astrob1 )
1049 ROM_REGION( 0xc000, "maincpu", 0 )
1050 ROM_LOAD( "829.cpu-u25", 0x0000, 0x0800, CRC(5f66046e) SHA1(6aa7f94122db1a75a89c12ad9d087aec1a70d675) ) // verify that this isn't just a bad dump..
1051 ROM_LOAD( "837.prom-u1", 0x0800, 0x0800, CRC(ce9c3763) SHA1(2cb4c3041905d38b040ef76f69f6197d699f9ec5) )
1052 ROM_LOAD( "838.prom-u2", 0x1000, 0x0800, CRC(3557289e) SHA1(57258b149f0872c34f82fe3dc06bc1fc60d7393f) )
1053 ROM_LOAD( "839.prom-u3", 0x1800, 0x0800, CRC(c88bda24) SHA1(9253306bd929e04a2136a0d9a9627dab8979baa1) )
1054 ROM_LOAD( "840.prom-u4", 0x2000, 0x0800, CRC(24c9fe23) SHA1(306ad65c8c821ae90eb50416c38fe37c7acf36de) )
1055 ROM_LOAD( "841.prom-u5", 0x2800, 0x0800, CRC(f153c683) SHA1(a6338a0e9867e1cbe27921182c268aeb4b09a503) )
1056 ROM_LOAD( "842.prom-u6", 0x3000, 0x0800, CRC(4c5452b2) SHA1(e7b1138379ba4ad29f5ffad275164716c37c92e9) )
1057 ROM_LOAD( "843.prom-u7", 0x3800, 0x0800, CRC(673161a6) SHA1(90db12ce06cd6150a924421cf9d93ad4051ccf97) )
1058 ROM_LOAD( "844.prom-u8", 0x4000, 0x0800, CRC(6bfc59fd) SHA1(a5f7edfa66a25e3e84e60b5b3812d16ffdc5e409) )
1059 ROM_LOAD( "845.prom-u9", 0x4800, 0x0800, CRC(018623f3) SHA1(bf264921c36ced3c332d5627b80886c3463f2237) )
1060 ROM_LOAD( "846.prom-u10", 0x5000, 0x0800, CRC(4d7c5fb3) SHA1(3c0dd17cb907b8476abb4b2a16bd41dd2f107849) )
1061 ROM_LOAD( "847.prom-u11", 0x5800, 0x0800, CRC(24d1d50a) SHA1(0691cccc4e58ffa07308a6a3ae80fbcef6cc8c9b) )
1062 ROM_LOAD( "848.prom-u12", 0x6000, 0x0800, CRC(1c145541) SHA1(73e23161f71f4c25405e1211f41a31323845efaa) )
1063 ROM_LOAD( "849.prom-u13", 0x6800, 0x0800, CRC(d378c169) SHA1(9b30ff9741429d798c8a2146d1c76a223f05495c) )
1064 ROM_LOAD( "850.prom-u14", 0x7000, 0x0800, CRC(9da673ae) SHA1(817fb7cbeedefa3b5b43ca3b7914289f6908ed53) )
1065 ROM_LOAD( "851.prom-u15", 0x7800, 0x0800, CRC(3d4cf9f0) SHA1(11e996f33f3a104e50d0a54a0814ea3e07735683) )
1066 ROM_LOAD( "852.prom-u16", 0x8000, 0x0800, CRC(af88a97e) SHA1(fe7993101c629b296b5da05519b0990cc2b78286) )