ADFS RamDisk ------------ &B2/3=addr.lo, Tube claimed if needed BIT &A6 BVC drive01 JMP drive23 .drive23 LDY #6:LDA (&B0),Y:AND #&3F:STA &FCFD INY :LDA (&B0),Y:STA &FCFE INY :LDA (&B0),Y:STA &FCFF CLC:ADC #1:STA (&B0),Y DEY:LDA (&B0),Y:ADC #0:STA (&B0),Y DEY:LDA (&B0),Y:ADC #0:STA (&B0),Y DEY:LDA (&B0),Y:LDY #0 CMP #&0A:BEQ wrlp .rdlp \ Needs to be able to read partial sector LDA &FD00,Y:STA (&B2),Y INY:BNE rdlp:BEQ next .wrlp LDA (&B2),Y:STA &FD00,Y INY:BNE wrlp:BEQ next .next INC addr+1 LDY #9 LDA (&B0),Y:SEC:SBC #1:STA (&B0),Y BNE drive23 LDA #0:JMP result