A2osX/BIN/LSDEV.S.txt
2016-06-07 08:10:18 +02:00

114 lines
2.2 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/BIN/LSDEV
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/LIBSTR.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
ZPPTR2 .EQ ZPBIN+2
ZPPTR3 .EQ ZPBIN+4
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length To Relocate
.DA 0 Data Segment to Allocate
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.EVENT
.DA CS.QUIT
L.LIBSTR .DA LIBSTR
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBSTR
>SYSCALL SYS.LoadLibYA
bcc .1
rts
.1 sta hLIBSTR
>LDYAI DevMgr.Table
>STYA ZPPTR1
stz DEV.ID
>PUSHW L.MSG0
>LIBCALL hLIBSTR,LIBSTR.PRINTF
.2 lda (ZPPTR1)
cmp #$D8
bne .8
ldy #S.DEV.JMP+1
>PUSHB (ZPPTR1),y
dey
>PUSHB (ZPPTR1),y
lda ZPPTR1
clc
adc #S.DEV.NAME
tay
lda ZPPTR1+1
adc #0
>PUSHYA
ldy #S.DEV.F
>PUSHB (ZPPTR1),y
ldy #S.DEV.ID
>PUSHB (ZPPTR1),y
>PUSHW L.MSG1
>LIBCALL hLIBSTR,LIBSTR.PRINTF
lda ZPPTR1
clc
adc #S.DEV.SIZE
sta ZPPTR1
bcc .3
inc ZPPTR1+1
.3 inc DEV.ID
lda DEV.ID
cmp #K.DEV.MAX
bne .2
.8 lda #0 tell TSKMGR that all done ok, but
.9 sec we do not want to stay in memory
rts
*--------------------------------------
CS.RUN
CS.EVENT clc
rts
*--------------------------------------
CS.QUIT lda hLIBSTR
>SYSCALL SYS.UnloadLibA
clc
rts
*--------------------------------------
CS.END
LIBSTR >PSTRING "libstr.o"
MSG0 >CSTRING "ID Flags Name Address\n"
MSG1 >CSTRING "%03d %b %4S $%H\n"
hLIBSTR .BS 1
DEV.ID .BS 1
MAN
SAVE BIN/LSDEV.S
ASM