NEW AUTO 3,1 .LIST OFF *-------------------------------------- Pak.In.Init >LDYA Pak.SrcPtr >STYA ZPSrcPtr lda Pak.Shnk+S.PAKSHNK.LEN eor #$ff sta Pak.SrcCnt lda Pak.Shnk+S.PAKSHNK.LEN+1 eor #$ff sta Pak.SrcCnt+1 rts *-------------------------------------- Pak.In.GetRH lda #$ff cmp Pak.SrcCnt+1 return 255 if not $ffxx bne .1 lda Pak.SrcCnt eor #$ff return !xx if $ffxx .1 rts *-------------------------------------- Pak.In.MoveFWA clc adc ZPSrcPtr sta ZPSrcPtr bcc .8 inc ZPSrcPtr+1 .8 rts *-------------------------------------- Pak.In.Get8Bits ldy #8 .HS 2C bit abs Pak.In.Get4Bits ldy #4 lda #0 make sure to reset A before reading less than 8 bits only .1 jsr Pak.In.GetBit and to exit with CC if even if 8 bits read rol dey bne .1 rts always CC *-------------------------------------- Pak.In.GetBit ldx Pak.In.Mask bne .1 jsr Pak.In.NxtByte ldx #8 .1 dex stx Pak.In.Mask pha Don't trash A lda (UnZPSrcPtr) and Pak.In.BitMask,x cmp #1 if 0:CC, i>0 CS pla rts Bit is in C *-------------------------------------- Pak.In.GetByte lda (UnZPSrcPtr) Pak.In.NxtByte inc UnZPSrcPtr bne .8 inc UnZPSrcPtr+1 .8 rts *-------------------------------------- MAN SAVE USR/SRC/LIB/LIBPAK.S.IN LOAD USR/SRC/LIB/LIBPAK.S ASM