mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
9a7d20a7e1
FORMAT: new switches & checks SH:BREAK in FOR and WHILE ASM / S-C MASM: new directives, CString support and .HX LC / UC:bugfix DHGR.DRV:bugfix LIBGUI:wip CC:wip
152 lines
4.6 KiB
Plaintext
152 lines
4.6 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
* object code = mli_1
|
||
* global page
|
||
|
||
H2E00 jmp mlient1 $2E00-2EFF moved to $BF00
|
||
jspare jmp jspare will be changed to point to dispatcher.
|
||
clockv rts changed to jmp ($4C) if clock present.
|
||
.DA tclk_in clock routine entry address.
|
||
p8errv jmp syserr1 error reporting hook.
|
||
sysdeath jmp sysdeath1 system failure hook.
|
||
p8error .DA #0
|
||
drivertbl1 .DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
drivertbl2 .DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA nodevice
|
||
.DA #0 devnum
|
||
numdevs .DA #$ff count (-1) active devices
|
||
devlist .HS 00000000000000 up to 14 units may be active
|
||
.HS 00000000000000
|
||
.DA #0
|
||
|
||
.AS "(C)APPLE "
|
||
mlient1 php
|
||
sei
|
||
jmp mlicont
|
||
aftirq sta RRAMWRAMBNK1 read/write RAM bank 1
|
||
jmp fix45 restore $45 after interrupt in LC
|
||
oldacc .DA #0
|
||
afbank .HS 00
|
||
|
||
* memory map of lower 48k. each bit represents 1 page.
|
||
* protected pages = 1, unprotected = 0
|
||
|
||
memmap .HS C000000000000000
|
||
.HS 0000000000000000
|
||
.HS 0000000000000001
|
||
|
||
* table of buffer addresses for currently open files.
|
||
* these can only be changed thru the mli call setbuf.
|
||
|
||
buftbl .HS 0000 file #1
|
||
.HS 0000 file #2
|
||
.HS 0000 file #3
|
||
.HS 0000 file #4
|
||
.HS 0000 file #5
|
||
.HS 0000 file #6
|
||
.HS 0000 file #7
|
||
.HS 0000 file #8
|
||
|
||
* table of interrupt vectors. these can only be changed
|
||
* by the mli call allocate_interrupt. values of the registers
|
||
* at the time of the most recent interrupt are stored here along
|
||
* with the address interrupted.
|
||
|
||
inttbl .HS 0000 int #1
|
||
.HS 0000 int #2
|
||
.HS 0000 int #3
|
||
.HS 0000 int #4
|
||
p8areg .DA #0 A register savearea
|
||
p8xreg .DA #0 X register savearea
|
||
p8yreg .DA #0 Y register savearea
|
||
p8sreg .DA #0 S register savearea
|
||
p8preg .DA #0 P register savearea
|
||
bankid .DA #1 bank ID byte (ROM/RAM)
|
||
intadr .HS 0000 interrupt return address
|
||
p8date .HS 0000 bits 15-9=yr, 8-5=mo, 4-0=day
|
||
p8time .HS 0000 bits 12-8=hr, 5-0=min, low-hi format
|
||
flevel .DA #0 current file level
|
||
bubit .DA #0 backup bit disable, setfileinfo only
|
||
spare1 .DA #0 used to save acc
|
||
newpfxptr .DA #0 appletalk alternate prefix ptr
|
||
machidbyte .DA #0 machine ID byte
|
||
rommap .DA #0 slot ROM bit map
|
||
preflag .DA #0 prefix active flag
|
||
mliact .DA #0 MLI active flag
|
||
mliretn .DA 0 last MLI call return address
|
||
mlix .DA #0 MLI X register savearea
|
||
mliy .DA #0 MLI Y register savearea
|
||
|
||
* language card bank switching routines which must reside at $BFA0 because
|
||
* workstation software patches this area
|
||
|
||
HBFA0 eor $E000 test for rom enable
|
||
beq .1 taken if ram enabled
|
||
sta RROMBNK2 read ROM
|
||
bne .2 always
|
||
.1 lda bnkbyt2 for alternate ram
|
||
eor $D000 test
|
||
beq .2 branch if not alternate ram
|
||
lda RRAMWRAMBNK2 else enable alt $D000
|
||
.2 pla return code
|
||
rti re-enable interrupts and return
|
||
|
||
mlicont sec
|
||
ror mliact notify interrupt routines MLI active.
|
||
lda $E000 preserve language card/rom orientation
|
||
sta bnkbyt1 for proper restoration when mli exits.
|
||
lda $D000
|
||
sta bnkbyt2
|
||
lda RRAMWRAMBNK1 force ram card on
|
||
lda RRAMWRAMBNK1 with write allowed
|
||
jmp xdosmli
|
||
|
||
irqexit lda bankid determine state of ram card (ROM/RAM)
|
||
|
||
irqxit0 beq .2 branch if ram card enabled.
|
||
bmi .1 branch if alternate $D000 enabled.
|
||
|
||
lsr determine if no ram card present.
|
||
bcc .3 branch if rom only system.
|
||
|
||
lda RROMWRAMBNK2 enable rom
|
||
bcs .3 always taken
|
||
|
||
.1 lda RRAMWRAMBNK2 enable alternate $D000
|
||
.2 lda #$01 preset bankid for rom.
|
||
sta bankid (reset if ram card interrupt)
|
||
.3 lda p8areg restore acc
|
||
rti exit
|
||
|
||
irqent bit RRAMWRAMBNK1 this entry only used when rom
|
||
bit RRAMWRAMBNK1 was enabled at time of interrupt.
|
||
jmp irqrecev
|
||
|
||
bnkbyt1 .DA #0
|
||
bnkbyt2 .DA #0
|
||
.HS 00000000 pad to before $BFFA
|
||
.DA #4 gsos compatibility byte ($BFFA)
|
||
.DA #0 pad
|
||
.DA #0 reserved
|
||
.DA #0 version # of running interpreter
|
||
.DA #0 preserved for System Utilities
|
||
kversion .HS 23 represents release 2.0.3
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/prodos.203/prodos.s.gp
|
||
LOAD usr/src/prodos.203/prodos.s
|
||
ASM
|