Main Index Routine Index Memory Index Previous Page Next Page $01-$04: 1541 - Command code for buffer 1-4 $06-$07: 1541 - Track and sector for buffer 0 $08-$09: 1541 - Track and sector for buffer 1 $0A-$0B: 1541 - Track and sector for buffer 2 $0C-$0D: 1541 - Track and sector for buffer 3 $0E-$0F: 1541 - Track and sector for buffer 4 $10-$11: 1541 - Track and sector for buffer 5 (unused) --- Information taken from AAY1541 - http://www.the-dreams.de ---- RapidLok-Reference: STA $00,X : $07E0 -> [$00-$FF]:=0 STY $00,X : $07EB LDA $00,X : $07EE LSR $01 : $0408 STA $01 : $058A STA $01 : $0627 LSR $01 : $0715 STX $01 : $0752 STA $01 : $07F6 STY $04 : $07FB STX $04 : $0304 LDA $04 : $0307 LDX $04 : $047D LDX $04 : $057A STA $04 : $06B4 STA $04 : $0703 LDA ($05),Y: $020B STA ($05),Y: $0210 JMP ($0005): $0215 LDA ($05),Y: $0342 STA ($05),Y: $0346 STA $06 : $0209 INC $06 : $0355 STA $06,X : $07DE STY $07,X : $07DC CMP $08,X : $07B6 ASL $0A : $05AB LDA $0A : $0745 STA $0A : $07A8 STA $0B : $0320 LDX $0B : $0787 SBC $0E : $0493*** STA $0E : $0774 INC $10 : $06A3 STX $10 : $06F3 DEC $10 : $06FA LDX $11 : $06F5 STX $11 : $075B LDA $11 : $0762 STA $11 : $0767 STA $11 : $07A6 Previous Page / Next Page