History
- Group
- Vortex 42 — Sweden, founded 25 June 1987
A crack intro from Vortex 42, a Swedish cracking and demo group founded on 25 June 1987 by former members of The Limit Crew. The group operated until 1988, producing approximately 60 releases including demos, cracks, and music. Notable members included Bilbo and Rygar (both coders and crackers), Blade (author, coder, cracker, and graphician), and Drake (musician). By November 1987, several members departed to form Science 451 — another Swedish group represented in this collection. The remaining Vortex 42 members continued with some C64 activity while also transitioning to the Amiga platform. The group organized a computer meeting in 1988 during its final active period. Vortex 42's significance lies partly in its role as a seedbed for the Swedish scene — its membership dispersal into successor groups illustrates the fluid, constantly recombining nature of cracking crews during the late 1980s. The comment from RYGAR on intros.c64.org confirms the involvement of at least one founding member in the archival record.
Sources: CSDb Group
// ============================================ // output - Disassembled Source // ============================================ // KickAssembler syntax // Generated by Restore 64 v0.2.1 alpha build 298, 2026-04-11 21:36:58 // https://restore64.dev by datucker / Rabenauge // // Load address: $0801 End: $14ff (3327 bytes) // Entry point: $0814 (via BASIC SYS 2068) // IRQ handler: $0905 (irq_0905) // IRQ handler: $ea31 (loc_ea31) // IRQ handler: $097a (irq_097a) // IRQ handler: $09c9 (irq_09c9) // IRQ handler: $0a7b (irq_0a7b) // // Code: 960 bytes, Data: 2367 bytes // Labels: 95, Subroutines: 3 // // Cross-references: all OK // ============================================ // --- Region $0814-$08be --- .pc = $0814 "main_0814" // Referenced by: jsr from $109c main_0814: sei lda #$81 sta $d01a lda #$00 sta $dc0e lda #$1b sta $d011 lda #$05 sta $0314 lda #$09 sta $0315 lda #$ff sta $d015 sta $d01c lda #$37 sta $01 jsr $e544 cli lda #$00 sta $d020 sta $d021 lda #$c7 sta $20 lda #$00 sta $21 lda #$10 sta $22 lda #$ea sta $0328 lda #$07 jsr $ffd2 loc_085c: jsr $ffe4 cmp #$20 beq loc_0866 jmp loc_085c loc_0866: sei lda #$37 sta $01 lda #$0f sta $dc0e jsr $ff81 lda #$31 sta $0314 lda #$ea sta $0315 jsr $ff81 lda #$00 sta $d015 sta $d418 sta $d01a lda #$17 lda $d018 lda #$1b sta $d011 cli lda #$00 sta $d020 sta $d021 ldx #$00 loc_08a0: lda $08bf,x sta $033c,x inx cpx #$80 bne loc_08a0 lda #$00 sta $03 lda #$af sta $04 lda #$00 sta $05 lda #$08 sta $06 jmp $033c dat_08be: .byte $ea // . // --- Region $08c8-$0b90 --- .pc = $08c8 "loc_08c8" loc_08c8: ldx #$00 lda ($03,x) sta ($05,x) lda $03 cmp #$ff beq loc_08fc inc $03 inc $05 jmp $0347 loc_08db: inc $04 inc $06 iny cpy #$0d bne loc_08c8 lda #$37 sta $01 lda #$a5 sta $2d sta $2f sta $31 lda #$ae sta $2e sta $30 sta $32 cli jmp $fce2 loc_08fc: lda #$00 sta $03 sta $05 jmp $0358 irq_0905: { lda $d019