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bms_seek


bms_seek

Description

Seek in the bms offset

Input

  • Accumulator : low byte of the bms struct pointer
  • X Register : high byte of the bms struct pointer
  • Y Register : whence

Modify

  • libzp

Example

 lda #<5 ; Offset low
 sta TR0 ; Offset low
 lda #>5 ; Offset high
 sta TR1 ; Offset high
 lda bms_ptr ; Offset High of bms struct
 ldx bms_ptr + 1; Offset High of bms struct
 ldy #BMS_SEEK_CUR
 jsr bms_seek
 jsr rts