PR#3 PREFIX /A2OSX.SRC NEW INC 1 AUTO 6 .LIST OFF *-------------------------------------- DevMgr.HiMem .EQ $FFFA Protect IRQ vectors in Aux LC *-------------------------------------- * S.GetDevByIDA * IN: * A = DevID * OUT: * CC = OK, CS = ERROR * Y,A = devslot * X Unmodified *-------------------------------------- S.GetDevByIDA cmp DevMgr.LastDevID beq .1 bcs .9 .1 stz S.GetDevByIDA.T asl ror S.GetDevByIDA.T asl ror S.GetDevByIDA.T asl ror S.GetDevByIDA.T asl ror S.GetDevByIDA.T adc #DevMgr.Table tay lda S.GetDevByIDA.T adc /DevMgr.Table rts CC .9 lda #DEVMGR.ERRDNF rts CS S.GetDevByIDA.T .BS 1 *-------------------------------------- * GetDevIDByNameA * IN: * A = hPStr * OUT: * CC = OK, CS = ERROR * X = DEVID * Y,A = pDev *-------------------------------------- S.GetDevByNameYA >STYA ZPQuickPtr1 >LDYAI DevMgr.Table+S.DEV.NAME >STYA ZPQuickPtr2 ldx #0 .1 ldy #0 .2 lda (ZPQuickPtr1),y cmp (ZPQuickPtr2),y bne .3 tya iny cmp (ZPQuickPtr1) bne .2 lda ZPQuickPtr2 sec sbc #S.DEV.NAME tay lda ZPQuickPtr2+1 sbc /S.DEV.NAME clc rts .3 lda ZPQuickPtr2 clc adc #S.DEV.SIZE sta ZPQuickPtr2 bcc .4 inc ZPQuickPtr2+1 .4 cpx DevMgr.LastDevID inx bcc .1 .9 lda #DEVMGR.ERRDNF rts *-------------------------------------- S.GetDevInfoA jsr S.GetDevByIDA bcs .9 >STYA ZPQuickPtr1 ldx #DEVMGR.GETINFO jmp (ZPQuickPtr1) .9 rts *-------------------------------------- DevMgr.Free .BS 2 DevMgr.DevID .BS 1 DevMgr.LastDevID .BS 1 *-------------------------------------- DevMgr.Count .EQ 2 DevMgr.SYS.BASL0 .EQ $800 *-------------------------------------- DevMgr.NUL cld jmp (DevMgr.NUL.Code,x) .DA #0 DevID=0 .DA #S.DEV.F.INUSE+S.DEV.F.SHARE+S.DEV.F.COUT+S.DEV.F.CHAR >PSTRING "NUL" NAME .HS 00 NAME must Be 5 bytes long .HS 00 .HS 00.00.00.00 *-------------------------------------- DevMgr.SYS cld jmp (DevMgr.SYS.Code,x) .DA #1 DevID=1 .DA #S.DEV.F.INUSE+S.DEV.F.EVENT+S.DEV.F.SHARE+S.DEV.F.COUT+S.DEV.F.CHAR >PSTRING "SYS" NAME .HS 00 NAME must Be 5 bytes long .HS 00 .HS 00.00.00.00 *-------------------------------------- DevMgr.NUL.Code .DA DevMgr.Unsup OPEN .DA DevMgr.Unsup GETEVENT .DA .8 COUT .DA DevMgr.Unsup CLOSE .DA DevMgr.Unsup GETINFO .DA DevMgr.Unsup IRQ .DA DevMgr.Unsup SELECT .8 clc rts *-------------------------------------- DevMgr.SYS.Code .DA DevMgr.SYS.Open .DA DevMgr.SYS.GetEvent .DA DevMgr.SYS.COut .DA DevMgr.Unsup CLOSE .DA DevMgr.Unsup GETINFO .DA DevMgr.Unsup IRQ .DA DevMgr.SYS.Select *-------------------------------------- DevMgr.Unsup lda #DEVMGR.ERRUNSUP sec rts *-------------------------------------- DevMgr.SYS.Open stz DevMgr.SYS.CPULOADI stz DevMgr.SYS.CH stz DevMgr.SYS.CV ldx #0 ldy #0 .1 lda DevMgr.SYS.TITLE,y beq .2 jsr DevMgr.SYS.SetCharAtYX iny bne .1 .2 lda #$20 jsr DevMgr.SYS.SetCharAtYX iny cpy #80 bne .2 jsr DevMgr.SYS.Home lda #1 sta A2osX.SCRNDEVS+1 jsr DevMgr.SYS.Select clc rts *-------------------------------------- DevMgr.SYS.GetEvent lda A2osX.ASCREEN cmp #2 is SYS active? bne .9 ldx DevMgr.SYS.CPULOADI lda DevMgr.SYS.CPULOADC,x sta DevMgr.SYS.BASL0+38 dex bpl .1 ldx #3 .1 stx DevMgr.SYS.CPULOADI jsr S.GetKeyboardEvent bcs .9 rts .9 lda #0 Error = no event sec rts *-------------------------------------- DevMgr.SYS.COut phx phy cmp #' ' bcc .1 ldy DevMgr.SYS.CH ldx DevMgr.SYS.CV ora #$80 jsr DevMgr.SYS.SetCharAtYX jsr DevMgr.SYS.FSOut bra .8 .1 cmp #10 bne .2 jsr DevMgr.SYS.LF bra .8 .2 cmp #13 bne .3 jsr DevMgr.SYS.CROut bra .8 .3 ora #$20 jsr DevMgr.SYS.SetCharAtYX jsr DevMgr.SYS.FSOut .8 ply plx clc rts *-------------------------------------- DevMgr.SYS.Select sta SETTEXT sta SETALTCHAR sta SET80DISP sta CLR80STORE sta SETPAGE2 clc rts *-------------------------------------- DevMgr.SYS.FSOut lda DevMgr.SYS.CH cmp #79 beq DevMgr.SYS.LF1 inc DevMgr.SYS.CH rts *-------------------------------------- DevMgr.SYS.CROut jsr DevMgr.SYS.ClrEOL stz DevMgr.SYS.CH rts *-------------------------------------- DevMgr.SYS.LF1 stz DevMgr.SYS.CH DevMgr.SYS.LF ldx DevMgr.SYS.CV cpx #23 beq DevMgr.SYS.Scroll inc DevMgr.SYS.CV rts *-------------------------------------- DevMgr.SYS.ClrEOL ldx DevMgr.SYS.CV lda #$A0 ldy DevMgr.SYS.CH .1 cpy #79 beq .2 jsr DevMgr.SYS.SetCharAtYX iny bne .1 .2 rts *-------------------------------------- DevMgr.SYS.Scroll ldx #1 .1 lda DevMgr.SYS.BASEL,x sta ZPDRV lda DevMgr.SYS.BASEH,x sta ZPDRV+1 inx lda DevMgr.SYS.BASEL,x sta ZPDRV+2 lda DevMgr.SYS.BASEH,x sta ZPDRV+3 ldy #39 sta SETWRITEAUX sta SETREADAUX .2 lda (ZPDRV+2),y sta (ZPDRV),y dey bpl .2 ldy #39 sta CLRWRITEAUX sta CLRREADAUX .3 lda (ZPDRV+2),y sta (ZPDRV),y dey bpl .3 cpx #23 bne .1 Fall in ClrLineAtX for last line *-------------------------------------- DevMgr.SYS.ClrLineAtX lda DevMgr.SYS.BASEL,x sta ZPDRV lda DevMgr.SYS.BASEH,x sta ZPDRV+1 lda #$A0 ldy #39 .1 sta SETWRITEAUX sta (ZPDRV),y sta CLRWRITEAUX sta (ZPDRV),y dey bpl .1 rts *-------------------------------------- DevMgr.SYS.Home ldx #23 .1 jsr DevMgr.SYS.ClrLineAtX dex bne .1 stz DevMgr.SYS.CH lda #1 sta DevMgr.SYS.CV rts *-------------------------------------- DevMgr.SYS.SetCharAtYX cmp #$40 bcc .1 cmp #$5F bcs .1 and #$3F .1 phy pha lda DevMgr.SYS.BASEL,x sta ZPDRV lda DevMgr.SYS.BASEH,x sta ZPDRV+1 tya lsr tay bcs .2 sta SETWRITEAUX .2 pla sta (ZPDRV),y sta CLRWRITEAUX ply rts *-------------------------------------- DevMgr.SYS.CH .BS 1 DevMgr.SYS.CV .BS 1 DevMgr.SYS.CPULOADI .BS 1 DevMgr.SYS.CPULOADC .AS -"|/-\" *-------------------------------------- DevMgr.SYS.TITLE >CSTRING "A2osX System Screen" DevMgr.SYS.BASEL .HS 00.80.00.80.00.80.00.80.28.A8.28.A8.28.A8.28.A8.50.D0.50.D0.50.D0.50.D0 DevMgr.SYS.BASEH .HS 08.08.09.09.0A.0A.0B.0B.08.08.09.09.0A.0A.0B.0B.08.08.09.09.0A.0A.0B.0B *-------------------------------------- DevMgr.End .EQ * MAN SAVE SYS/KERNEL.S.DEV LOAD SYS/KERNEL.S ASM