falter
Veteran Member
This is my 3rd Z80 homebrew and kind of unusual at that.
It has a numeric keypad and I think they built the power supply into the case for it. And then they have an old school 4 conductor telephone plug, which adapts into a modern telephone plug, and I'm not sure but I'm guessing the power gets carried on phone wires over to the board.
Not sure how it works - I'm thinking it's not working in hexadecimal without the letters available.. octal maybe?
I've dumped the code as well.. not sure if anyone has any thoughts on it. It looks like it has an 8 inch floppy connector possibly - maybe it just boots straight into something. I'm wondering if the FFs are intentional or bitrot.
:100000003EC932DC1F186AFFE32BE31859FFFFFFDC
:10001000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0
:10002000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0
:10003000FFFFFFFFFFFFFFFFC3DE1FFFFFFFFFFF0D
:10004000C39400C3CE01C3E101C3C401C3DF03FFF6
:10005000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFB0
:10006000FFFFFFFFFFFFF53AFC1FA7200AF1C3A324
:100070000221A01F22D61F31C01F21B2030614CDBA
:100080000E023E10D306DB06CB6F280821DA0306EA
:1000900002CD0E02CDBC01010100ED43FC1F0DAFEE
:1000A00032FB1FCDA60138172100001805CDA6018F
:1000B000380D3C32FB1F3D29292929856F18EEFE9A
:1000C000472839FE2F2858FE562862FE49CA51019A
:1000D000FE542853FE50CAF600FE52CA6B02FE4878
:1000E000CA8004FE0A2822FE0D2827FE5E28293E2B
:1000F0003FCDE101189E2AD81F2318073AFB1FA7FE
:100100003EC932DC1F186AFFE32BE31859FFFFFFDB
:10011000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF
:10012000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDF
:10013000FFFFFFFFFFFFFFFFC3DE1FFFFFFFFFFF0C
:10014000C39400C3CE01C3E101C3C401C3DF03FFF5
:10015000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFAF
:10016000FFFFFFFFFFFFF53AFC1FA7200AF1C3A323
:100170000221A01F22D61F31C01F21B2030614CDB9
:100180000E023E10D306DB06CB6F280821DA0306E9
:1001900002CD0E02CDBC01010100ED43FC1F0DAFED
:1001A00032FB1FCDA60138172100001805CDA6018E
:1001B000380D3C32FB1F3D29292929856F18EEFE99
:1001C000472839FE2F2858FE562862FE49CA510199
:1001D000FE542853FE50CAF600FE52CA6B02FE4877
:1001E000CA8004FE0A2822FE0D2827FE5E28293E2A
:1001F0003FCDE101189E2AD81F2318073AFB1FA7FD
:100200003FD8FE3A3805FE41D8D607D630C94E232E
:10021000EDA320FAC9C5E50126E0093806011A0058
:10022000093824E1C17CCD2A027DF5CB0FCB0FCB61
:100230000FCB0FCD3702F1CD3D02C3E101E60FC672
:1002400030FE3AF8C607C9E1E501D9E3093E52CDCF
:10025000E1017EA720043E2B180BCB6F2807E65F39
:10026000CDE1013E27CDE101E1C1C9CDCE01CDE116
:10027000015FCD9702CDCE01CDE101FE27200C7BA1
:10028000F620CD9702CDCE01CDE101FE2FC2EF00C9
:1002900001261C09C31F01219903011900EDB1C8F2
:1002A000C3EF0022DA1FE122D81FED73D61F31D62B
:1002B0001FF5ED57F32EC9E2BD0221FBC922DC1F59
:1002C00067ED5F6FF1FDE5DDE5E508D9E5D5C5F53D
:1002D00008D92ADA1FE5D5C5F5CDC4013E3ECDE1EA
:1002E000012AD81FCD1502C39400AF32FC1FF1C103
:1002F000D1E122DA1F08D9F1C1D1E108D9E1F57CB9
:100300003FD8FE3A3805FE41D8D607D630C94E232D
:10031000EDA320FAC9C5E50126E0093806011A0057
:10032000093824E1C17CCD2A027DF5CB0FCB0FCB60
:100330000FCB0FCD3702F1CD3D02C3E101E60FC671
:1003400030FE3AF8C607C9E1E501D9E3093E52CDCE
:10035000E1017EA720043E2B180BCB6F2807E65F38
:10036000CDE1013E27CDE101E1C1C9CDCE01CDE115
:10037000015FCD9702CDCE01CDE101FE27200C7BA0
:10038000F620CD9702CDCE01CDE101FE2FC2EF00C8
:1003900001261C09C31F01219903011900EDB1C8F1
:1003A000C3EF0022DA1FE122D81FED73D61F31D62A
:1003B0001FF5ED57F32EC9E2BD0221FBC922DC1F58
:1003C00067ED5F6FF1FDE5DDE5E508D9E5D5C5F53C
:1003D00008D92ADA1FE5D5C5F5CDC4013E3ECDE1E9
:1003E000012AD81FCD1502C39400AF32FC1FF1C102
:1003F000D1E122DA1F08D9F1C1D1E108D9E1F57CB8
:10040000FE1D2838D30518DEDB07CB4728DDDB06C9
:10041000CB5728D7DB05DDCB004E281CDDCB007E7B
:100420002804FE3A2838FE0A280AFE0D2806DDCBED
:1004300000BE1804DDCB00FED30418AFDD3501206B
:10044000AA3E05D3073E78D307C50600480C20FD19
:100450000420FAC13E05D3073E68D3071888CD6350
:10046000041883F5C5D5E50E07AFC32B03FFFFFFC7
:10047000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF8C
:100480003E0FD30AD30BD30E3ECFD30F3E0FD30F65
:10049000FD21D607CD49003E5FCD46000E00CB8141
:1004A000210000CDE305FE303812FE38300ECD4677
:1004B00000D630292929856FCBC118E7FE0D2863A6
:1004C000FE2E2867FE2C2870FE5CCA5F05FE0A28F7
:1004D00077CD4600FE53283AFE52283BFE58CA40CC
:1004E00000FE4DCA8B06FE2FCA8805FE5E2875FEEB
:1004F0003E283DFE3C2846FE47CA0606FE50CA2B53
:10050000FE1D2838D30518DEDB07CB4728DDDB06C8
:10051000CB5728D7DB05DDCB004E281CDDCB007E7A
:100520002804FE3A2838FE0A280AFE0D2806DDCBEC
:1005300000BE1804DDCB00FED30418AFDD3501206A
:10054000AA3E05D3073E78D307C50600480C20FD18
:100550000420FAC13E05D3073E68D3071888CD634F
:10056000041883F5C5D5E50E07AFC32B03FFFFFFC6
:10057000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF8B
:100580003E0FD30AD30BD30E3ECFD30F3E0FD30F64
:10059000FD21D607CD49003E5FCD46000E00CB8140
:1005A000210000CDE305FE303812FE38300ECD4676
:1005B00000D630292929856FCBC118E7FE0D2863A5
:1005C000FE2E2867FE2C2870FE5CCA5F05FE0A28F6
:1005D00077CD4600FE53283AFE52283BFE58CA40CB
:1005E00000FE4DCA8B06FE2FCA8805FE5E2875FEEA
:1005F0003E283DFE3C2846FE47CA0606FE50CA2B52
:1006000007D308C1F1C9CDBF0511000021001601B3
:1006100000F8CDEE05DB0D7713CDEE05DB0DED6FAC
:1006200013230C20ED0420EAC39404CDBF05110070
:10063000002100160100F8CDEE057E0F0F0F0FD33D
:100640000C13CDEE057ED30C13230C20EA0420E717
:10065000C394043E02CD4C00C39404CDBF050E0DDF
:10066000AFED797CE60F20067DFE04DA0B052B2B1F
:100670007DEE01D3083E10ED79AFED7929297CD3C9
:10068000083E20ED79AFED79C39404CDBF057CB56C
:100690002003210100E5AFD3084FD309AFD30CDB12
:1006A000093CFDBE0038F3060179D30978D30CAFBD
:1006B000D3091600B9200150DB0DBA281DCD490021
:1006C0003E44CD4600DB09CDB30779CDB307DB0D42
:1006D000CDB30778CDB307CDC807DB093CFDBE001D
:1006E00038CECB2078E60F20C079D309AFD30C0CDD
:1006F00079FDBE0038B1AFD3090601AFD30878D376
:1007000007D308C1F1C9CDBF0511000021001601B2
:1007100000F8CDEE05DB0D7713CDEE05DB0DED6FAB
:1007200013230C20ED0420EAC39404CDBF0511006F
:10073000002100160100F8CDEE057E0F0F0F0FD33C
:100740000C13CDEE057ED30C13230C20EA0420E716
:10075000C394043E02CD4C00C39404CDBF050E0DDE
:10076000AFED797CE60F20067DFE04DA0B052B2B1E
:100770007DEE01D3083E10ED79AFED7929297CD3C8
:10078000083E20ED79AFED79C39404CDBF057CB56B
:100790002003210100E5AFD3084FD309AFD30CDB11
:1007A000093CFDBE0038F3060179D30978D30CAFBC
:1007B000D3091600B9200150DB0DBA281DCD490020
:1007C0003E44CD4600DB09CDB30779CDB307DB0D41
:1007D000CDB30778CDB307CDC807DB093CFDBE001C
:1007E00038CECB2078E60F20C079D309AFD30C0CDC
:1007F00079FDBE0038B1AFD3090601AFD30878D375
:00000001FF
It has a numeric keypad and I think they built the power supply into the case for it. And then they have an old school 4 conductor telephone plug, which adapts into a modern telephone plug, and I'm not sure but I'm guessing the power gets carried on phone wires over to the board.
Not sure how it works - I'm thinking it's not working in hexadecimal without the letters available.. octal maybe?
I've dumped the code as well.. not sure if anyone has any thoughts on it. It looks like it has an 8 inch floppy connector possibly - maybe it just boots straight into something. I'm wondering if the FFs are intentional or bitrot.
:100000003EC932DC1F186AFFE32BE31859FFFFFFDC
:10001000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0
:10002000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0
:10003000FFFFFFFFFFFFFFFFC3DE1FFFFFFFFFFF0D
:10004000C39400C3CE01C3E101C3C401C3DF03FFF6
:10005000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFB0
:10006000FFFFFFFFFFFFF53AFC1FA7200AF1C3A324
:100070000221A01F22D61F31C01F21B2030614CDBA
:100080000E023E10D306DB06CB6F280821DA0306EA
:1000900002CD0E02CDBC01010100ED43FC1F0DAFEE
:1000A00032FB1FCDA60138172100001805CDA6018F
:1000B000380D3C32FB1F3D29292929856F18EEFE9A
:1000C000472839FE2F2858FE562862FE49CA51019A
:1000D000FE542853FE50CAF600FE52CA6B02FE4878
:1000E000CA8004FE0A2822FE0D2827FE5E28293E2B
:1000F0003FCDE101189E2AD81F2318073AFB1FA7FE
:100100003EC932DC1F186AFFE32BE31859FFFFFFDB
:10011000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF
:10012000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDF
:10013000FFFFFFFFFFFFFFFFC3DE1FFFFFFFFFFF0C
:10014000C39400C3CE01C3E101C3C401C3DF03FFF5
:10015000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFAF
:10016000FFFFFFFFFFFFF53AFC1FA7200AF1C3A323
:100170000221A01F22D61F31C01F21B2030614CDB9
:100180000E023E10D306DB06CB6F280821DA0306E9
:1001900002CD0E02CDBC01010100ED43FC1F0DAFED
:1001A00032FB1FCDA60138172100001805CDA6018E
:1001B000380D3C32FB1F3D29292929856F18EEFE99
:1001C000472839FE2F2858FE562862FE49CA510199
:1001D000FE542853FE50CAF600FE52CA6B02FE4877
:1001E000CA8004FE0A2822FE0D2827FE5E28293E2A
:1001F0003FCDE101189E2AD81F2318073AFB1FA7FD
:100200003FD8FE3A3805FE41D8D607D630C94E232E
:10021000EDA320FAC9C5E50126E0093806011A0058
:10022000093824E1C17CCD2A027DF5CB0FCB0FCB61
:100230000FCB0FCD3702F1CD3D02C3E101E60FC672
:1002400030FE3AF8C607C9E1E501D9E3093E52CDCF
:10025000E1017EA720043E2B180BCB6F2807E65F39
:10026000CDE1013E27CDE101E1C1C9CDCE01CDE116
:10027000015FCD9702CDCE01CDE101FE27200C7BA1
:10028000F620CD9702CDCE01CDE101FE2FC2EF00C9
:1002900001261C09C31F01219903011900EDB1C8F2
:1002A000C3EF0022DA1FE122D81FED73D61F31D62B
:1002B0001FF5ED57F32EC9E2BD0221FBC922DC1F59
:1002C00067ED5F6FF1FDE5DDE5E508D9E5D5C5F53D
:1002D00008D92ADA1FE5D5C5F5CDC4013E3ECDE1EA
:1002E000012AD81FCD1502C39400AF32FC1FF1C103
:1002F000D1E122DA1F08D9F1C1D1E108D9E1F57CB9
:100300003FD8FE3A3805FE41D8D607D630C94E232D
:10031000EDA320FAC9C5E50126E0093806011A0057
:10032000093824E1C17CCD2A027DF5CB0FCB0FCB60
:100330000FCB0FCD3702F1CD3D02C3E101E60FC671
:1003400030FE3AF8C607C9E1E501D9E3093E52CDCE
:10035000E1017EA720043E2B180BCB6F2807E65F38
:10036000CDE1013E27CDE101E1C1C9CDCE01CDE115
:10037000015FCD9702CDCE01CDE101FE27200C7BA0
:10038000F620CD9702CDCE01CDE101FE2FC2EF00C8
:1003900001261C09C31F01219903011900EDB1C8F1
:1003A000C3EF0022DA1FE122D81FED73D61F31D62A
:1003B0001FF5ED57F32EC9E2BD0221FBC922DC1F58
:1003C00067ED5F6FF1FDE5DDE5E508D9E5D5C5F53C
:1003D00008D92ADA1FE5D5C5F5CDC4013E3ECDE1E9
:1003E000012AD81FCD1502C39400AF32FC1FF1C102
:1003F000D1E122DA1F08D9F1C1D1E108D9E1F57CB8
:10040000FE1D2838D30518DEDB07CB4728DDDB06C9
:10041000CB5728D7DB05DDCB004E281CDDCB007E7B
:100420002804FE3A2838FE0A280AFE0D2806DDCBED
:1004300000BE1804DDCB00FED30418AFDD3501206B
:10044000AA3E05D3073E78D307C50600480C20FD19
:100450000420FAC13E05D3073E68D3071888CD6350
:10046000041883F5C5D5E50E07AFC32B03FFFFFFC7
:10047000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF8C
:100480003E0FD30AD30BD30E3ECFD30F3E0FD30F65
:10049000FD21D607CD49003E5FCD46000E00CB8141
:1004A000210000CDE305FE303812FE38300ECD4677
:1004B00000D630292929856FCBC118E7FE0D2863A6
:1004C000FE2E2867FE2C2870FE5CCA5F05FE0A28F7
:1004D00077CD4600FE53283AFE52283BFE58CA40CC
:1004E00000FE4DCA8B06FE2FCA8805FE5E2875FEEB
:1004F0003E283DFE3C2846FE47CA0606FE50CA2B53
:10050000FE1D2838D30518DEDB07CB4728DDDB06C8
:10051000CB5728D7DB05DDCB004E281CDDCB007E7A
:100520002804FE3A2838FE0A280AFE0D2806DDCBEC
:1005300000BE1804DDCB00FED30418AFDD3501206A
:10054000AA3E05D3073E78D307C50600480C20FD18
:100550000420FAC13E05D3073E68D3071888CD634F
:10056000041883F5C5D5E50E07AFC32B03FFFFFFC6
:10057000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF8B
:100580003E0FD30AD30BD30E3ECFD30F3E0FD30F64
:10059000FD21D607CD49003E5FCD46000E00CB8140
:1005A000210000CDE305FE303812FE38300ECD4676
:1005B00000D630292929856FCBC118E7FE0D2863A5
:1005C000FE2E2867FE2C2870FE5CCA5F05FE0A28F6
:1005D00077CD4600FE53283AFE52283BFE58CA40CB
:1005E00000FE4DCA8B06FE2FCA8805FE5E2875FEEA
:1005F0003E283DFE3C2846FE47CA0606FE50CA2B52
:1006000007D308C1F1C9CDBF0511000021001601B3
:1006100000F8CDEE05DB0D7713CDEE05DB0DED6FAC
:1006200013230C20ED0420EAC39404CDBF05110070
:10063000002100160100F8CDEE057E0F0F0F0FD33D
:100640000C13CDEE057ED30C13230C20EA0420E717
:10065000C394043E02CD4C00C39404CDBF050E0DDF
:10066000AFED797CE60F20067DFE04DA0B052B2B1F
:100670007DEE01D3083E10ED79AFED7929297CD3C9
:10068000083E20ED79AFED79C39404CDBF057CB56C
:100690002003210100E5AFD3084FD309AFD30CDB12
:1006A000093CFDBE0038F3060179D30978D30CAFBD
:1006B000D3091600B9200150DB0DBA281DCD490021
:1006C0003E44CD4600DB09CDB30779CDB307DB0D42
:1006D000CDB30778CDB307CDC807DB093CFDBE001D
:1006E00038CECB2078E60F20C079D309AFD30C0CDD
:1006F00079FDBE0038B1AFD3090601AFD30878D376
:1007000007D308C1F1C9CDBF0511000021001601B2
:1007100000F8CDEE05DB0D7713CDEE05DB0DED6FAB
:1007200013230C20ED0420EAC39404CDBF0511006F
:10073000002100160100F8CDEE057E0F0F0F0FD33C
:100740000C13CDEE057ED30C13230C20EA0420E716
:10075000C394043E02CD4C00C39404CDBF050E0DDE
:10076000AFED797CE60F20067DFE04DA0B052B2B1E
:100770007DEE01D3083E10ED79AFED7929297CD3C8
:10078000083E20ED79AFED79C39404CDBF057CB56B
:100790002003210100E5AFD3084FD309AFD30CDB11
:1007A000093CFDBE0038F3060179D30978D30CAFBC
:1007B000D3091600B9200150DB0DBA281DCD490020
:1007C0003E44CD4600DB09CDB30779CDB307DB0D41
:1007D000CDB30778CDB307CDC807DB093CFDBE001C
:1007E00038CECB2078E60F20C079D309AFD30C0CDC
:1007F00079FDBE0038B1AFD3090601AFD30878D375
:00000001FF