Apple-2gs-SW/gslib
1
0
Fork 0
mirror of https://github.com/digarok/gslib.git synced 2024-12-26 11:30:18 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #2 from digarok/p8-tool-example

Browse Source 
add skeleton p8 app with tool startup code
This commit is contained in:
Dagen Brock 2019-05-19 11:03:45 -05:00 committed by GitHub
commit eee59bd34e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 146 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

146
source/p8_tools.s Normal file
View File

@ -0,0 +1,146 @@
org $2000 ; start at $2000 (all ProDOS8 system files)
mx %11
clc
xce
rep #$30
jsr PrepareTools
jsr P8Quit
******************************************
* Call this at the start of your program *
******************************************
mx %00
PrepareTools stz MasterId ; I haven't created a new user ID
_TLStartUp
pha
_MMStartUp
pla
bcc MM_OK
* If the Memory Manager reported an error, we need to allocate our own memory first.
_MTStartUp
* First we need a user ID.
pha
pea $1000
_GetMasterId ; Get me a new user ID (Application)
pla
sta MasterId ; Save it for later
* Now give us all of bank zero and bank one.
pha
pha ; Result space
pea $0000
pea $B800 ; Block size
lda MasterId
pha ; User ID
pea $C002 ; Attributes: locked, fixed, absolute
pea $0000
pea $0800 ; Location (bank 0, $0800-$BFFF)
_NewHandle
plx
ply
_Err ; This shouldn't happen!
sty Bnk0Hnd
stx Bnk0Hnd+2 ; Save handle to bank 0 memory
pha
pha ; Result space
pea $0000
pea $B800 ; Block size
lda MasterId
pha ; User ID
pea $C002 ; Attributes: locked, fixed, absolute
pea $0001
pea $0800 ; Location (bank 1, $0800-$BFFF)
_NewHandle
plx
ply
_Err ; This shouldn't happen!
sty Bnk1Hnd
stx Bnk1Hnd+2 ; Save handle to bank 0 memory
* We have the necessary memory protected. Start up the memory manager again.
pha
_MMStartUp
pla
_Err ; This shouldn't happen!
MM_OK sta UserId ; Save the memory ID
rts
******************************************
* Basic Error Macro *
******************************************
_Err mac
bcc NoErr
do ]0 ; (DO if true)
jsr PgmDeath ; this is conditionally compiled if
str ]1 ; we pass in an error statement
else ; (ELSE)
jmp PgmDeath0 ; we just call the simpler error handler
fin ; (FIN)
NoErr eom
****************************************
* Fatal Error Handler *
****************************************
PgmDeath tax
pla
inc
phx
phk
pha
bra ContDeath
PgmDeath0 pha
pea $0000
pea $0000
ContDeath ldx #$1503
jsl $E10000
******************************************
* Standard ProDOS 8 Quit routine *
******************************************
mx %11
P8Quit jsr MLI ; first actual command, call ProDOS vector
dfb $65 ; with "quit" request ($65)
da QuitParm
bcs Error ; what's the point? ;)
Error brk $00 ; shouldn't ever here!
QuitParm dfb 4 ; number of parameters
dfb 0 ; standard quit type
da $0000 ; not needed when using standard quit
dfb 0 ; not used
da $0000 ; not used
******************************************
* ToolCall Macros *
******************************************
Tool MAC
LDX #]1
JSL $E10000
<<<
_TLStartUp MAC
Tool $201
<<<
_TLShutDown MAC
Tool $301
<<<
_NewHandle MAC
Tool $902
<<<
_MMStartUp MAC
Tool $202
<<<
_GetMasterId MAC
Tool $2003
<<<
_MTStartUp MAC
Tool $203
<<<
MasterId ds 2
UserId ds 2
BankLoad hex 0000 ; used for Load/Unpack
Bnk0Hnd hex 00000000
Bnk1Hnd hex 00000000
MLI equ $bf00
dsk p8_tools.system