Use common driver chain logic
This commit is contained in:
Joshua Bell
parent
2769d1d7a6
commit
db977835ac
8
Makefile
8
Makefile
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@ -4,6 +4,12 @@ LDFLAGS = --config apple2-asm.cfg
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TARGETS = bye.system.SYS buhbye.system.SYS quit.system.SYS
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# For timestamps
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MM = $(shell date "+%-m")
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DD = $(shell date "+%-d")
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YY = $(shell date "+%-y")
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DEFINES = -D DD=$(DD) -D MM=$(MM) -D YY=$(YY)
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.PHONY: clean all
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all: $(TARGETS)
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@ -14,7 +20,7 @@ clean:
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rm -f $(TARGETS)
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%.o: %.s $(HEADERS)
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ca65 $(CAFLAGS) --listing $(basename $@).list -o $@ $<
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ca65 $(CAFLAGS) $(DEFINES) --listing $(basename $@).list -o $@ $<
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%.SYS: %.o
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ld65 $(LDFLAGS) -o $@ $<
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112
buhbye.system.s
112
buhbye.system.s
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@ -3,10 +3,18 @@
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;;; (so this is Bell's Better Bird's Better Bye - Buh-Bye)
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;;; * alpha key advances to next matching filename
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;;; * replaced directory enumeration (smaller, per PDTRM)
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;;; * installs, then chains to next .SYSTEM file
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.setcpu "65C02"
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.linecont +
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.feature string_escapes
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.include "apple2.inc"
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.include "prodos.inc"
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.include "apple2.mac"
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.include "inc/apple2.inc"
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.include "inc/macros.inc"
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.include "inc/prodos.inc"
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;;; Miscellaneous
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@ -14,12 +22,6 @@ COL80HPOS := $57B
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;;; I/O Soft Switches / Firmware
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RAMRDOFF := $C002 ; If 80STORE Off: Read Main Mem $0200-$BFFF
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RAMRDON := $C003 ; If 80STORE Off: Read Aux Mem $0200-$BFFF
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RAMWRTOFF := $C004 ; If 80STORE Off: Write Main Mem $0200-$BFFF
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RAMWRTON := $C005 ; If 80STORE Off: Write Aux Mem $0200-$BFFF
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ALTZPOFF := $C008 ; Main Stack and Zero Page
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ALTZPON := $C009 ; Aux Stack and Zero Page
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ROMINNW := $C082 ; Read ROM; no write
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ROMINWB1 := $C089 ; Read ROM; write RAM bank 1
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@ -31,10 +33,7 @@ SETTXT := $FB39
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TABV := $FB5B
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SETPWRC := $FB6F
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BELL1 := $FBDD
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HOME := $FC58
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COUT := $FDED
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SETINV := $FE80
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SETNORM := $FE84
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;;; ASCII/Key codes
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ASCII_TAB := $9
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@ -47,21 +46,10 @@ ASCII_ETB := $17 ; scroll text window down
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ASCII_EM := $19 ; move cursor to upper left
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ASCII_ESCAPE := $1B
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;;; ------------------------------------------------------------
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.define HI(char) (char|$80)
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.macro HIASCII arg
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.repeat .strlen(arg), i
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.byte .strat(arg, i) | $80
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.endrep
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.endmacro
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.macro HIASCIIZ arg
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HIASCII arg
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.byte 0
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.endmacro
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;;; ************************************************************
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.include "driver_preamble.inc"
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;;; ************************************************************
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;;; ------------------------------------------------------------
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@ -76,11 +64,10 @@ ASCII_ESCAPE := $1B
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;;; Installer
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;;; ------------------------------------------------------------
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.org $2000
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install_size := $300 ; must fit in $D100...$D3FF = $300
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.proc install
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.proc maybe_install_driver
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src := install_src
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end := install_src + install_size
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dst := $D100 ; Install location in ProDOS (bank 2)
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@ -123,28 +110,17 @@ loop: lda (src_ptr) ; *src_ptr = *dst_ptr
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sta ALTZPOFF
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sta ROMINWB1
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sta ROMINWB1
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;; fall through
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.endproc
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.proc quit
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MLI_CALL QUIT, params
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.proc params
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params: .byte 4
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type: .byte 0
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res1: .word 0
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res2: .byte 0
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res3: .addr 0
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rts
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.endproc
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.endproc
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install_src := *
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;;; ------------------------------------------------------------
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;;; Selector
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;;; ------------------------------------------------------------
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.org $1000
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install_src := *
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pushorg $1000
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.proc selector
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prefix := $280 ; length-prefixed
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@ -259,7 +235,7 @@ fail: lda prefix_depth ; root?
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;; Store entry_length (byte), entries_per_block (byte), file_count (word)
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ldx #3
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: lda read_buffer + DirectoryHeader::entry_length,x
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: lda read_buffer + SubdirectoryHeader::entry_length,x
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sta entry_length,x
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dex
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bpl :-
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@ -290,9 +266,9 @@ while_loop:
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;; Check file type
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ldy #FileEntry::file_type
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lda (entry_pointer),y
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cmp #FileType::Directory
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cmp #FT_DIRECTORY
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beq store_entry
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cmp #FileType::System
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cmp #FT_SYSTEM
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bne done_active_entry
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store_entry:
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@ -693,7 +669,8 @@ cout: jmp COUT
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text_resources := *
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.proc help_string
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HIASCIIZ "RETURN: Select | TAB: Chg Vol | ESC: Back"
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scrcode "RETURN: Select | TAB: Chg Vol | ESC: Back"
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.byte 0
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.endproc
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;; Mousetext sequence: Enable, folder left, folder right, disable
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@ -704,43 +681,26 @@ cout: jmp COUT
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;;; ------------------------------------------------------------
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.proc open_params
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params: .byte 3
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path: .addr prefix
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buffer: .addr $1C00
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ref_num:.byte 0
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.endproc
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DEFINE_OPEN_PARAMS open_params, prefix, $1C00
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open_params_ref_num := open_params::ref_num
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.proc close_params
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params: .byte 1
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ref_num:.byte 0
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.endproc
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DEFINE_CLOSE_PARAMS close_params
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.proc on_line_params
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params: .byte 2
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unit: .byte $60
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buffer: .addr prefix+1
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.endproc
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on_line_params_unit := on_line_params::unit
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DEFINE_ON_LINE_PARAMS on_line_params, $60, prefix+1
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on_line_params_unit := on_line_params::unit_num
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.proc set_prefix_params
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params: .byte 1
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path: .addr prefix
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.endproc
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DEFINE_SET_PREFIX_PARAMS set_prefix_params, prefix
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.proc read_params
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params: .byte 4
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ref_num:.byte 1
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buffer: .word read_buffer
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request:.word 0 ; This can be beyond $12FF - MARKER
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trans: .word 0
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.endproc
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DEFINE_READ_PARAMS read_params, read_buffer, 0
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read_params_ref_num := read_params::ref_num
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read_params_request := read_params::request
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read_params_request := read_params::request_count
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;;; ------------------------------------------------------------
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.assert read_params::request - selector <= install_size, error, "Must fit in $300 bytes"
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.endproc
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.assert .sizeof(selector) <= install_size, error, "Must fit in $300 bytes"
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poporg
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;;; ************************************************************
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.include "driver_postamble.inc"
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;;; ************************************************************
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@ -0,0 +1,3 @@
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poporg
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reloc_end := *
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@ -0,0 +1,458 @@
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;;; ------------------------------------------------------------
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;; SYS files load at $2000; relocates self to $1000
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.org SYS_ADDR
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dst_addr := $1000
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;;; ------------------------------------------------------------
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jmp relocate
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.byte MM, DD, YY ; version date stamp
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;;; ------------------------------------------------------------
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;;; Relocate this code from $2000 (.SYSTEM start location) to $1000
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;;; and start executing there. This is done so that the next .SYSTEM
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;;; file can be loaded/run at $2000.
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.proc relocate
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src := reloc_start
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dst := dst_addr
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ldx #(reloc_end - reloc_start + $FF) / $100 ; pages
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ldy #0
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load: lda src,y ; self-modified
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load_hi := *-1
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sta dst,y ; self-modified
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store_hi := *-1
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iny
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bne load
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inc load_hi
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inc store_hi
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dex
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bne load
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jmp main
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.endproc
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;;; ============================================================
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;;; Start of relocated code
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reloc_start := *
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pushorg dst_addr
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;;; ============================================================
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;;; Main routine
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;;; ============================================================
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.proc main
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jsr save_chain_info
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jsr init_system
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jsr maybe_install_driver
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jmp launch_next
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.endproc
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;;; ============================================================
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;;; Preserve state needed to chain to next file
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;;; ============================================================
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.proc save_chain_info
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;; --------------------------------------------------
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;; Save most recent device for later, when chaining
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;; to next .SYSTEM file.
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lda DEVNUM
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sta devnum
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;; --------------------------------------------------
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;; Identify the name of this SYS file, which should be present at
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;; $280 with or without a path prefix. Search pathname buffer
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;; backwards for '/', then copy name into |self_name|.
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;; Find '/' (which may not be present, prefix is optional)
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ldx PATHNAME
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beq no_name
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ldy #0 ; Y = length
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: lda PATHNAME,x
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and #$7f ; ignore high bit
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cmp #'/'
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beq copy_name
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iny
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dex
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bne :-
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;; Copy name into |self_name| buffer
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copy_name:
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cpy #0
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beq no_name
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sty self_name
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ldx PATHNAME
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: lda PATHNAME,x
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sta self_name,y
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dex
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dey
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bne :-
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;; Done
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rts
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no_name:
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lda #0
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sta self_name
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rts
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.endproc
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devnum: .byte 0
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self_name: .res 16
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;;; ============================================================
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;;; Init system state
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;;; ============================================================
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;;; Before installing, get the system to a known state.
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.proc init_system
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cld
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bit ROMIN2
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;; Update reset vector - ProDOS QUIT
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lda #<quit
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sta $03F2
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lda #>quit
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sta $03F3
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eor #$A5
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sta $03F4
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;; Quit 80-column firmware
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lda #$95 ; Ctrl+U (quit 80 col firmware)
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jsr COUT
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;; Reset I/O
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sta CLR80VID
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sta CLRALTCHAR
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jsr SETVID
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jsr SETKBD
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jsr SETNORM
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jsr INIT
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jsr HOME
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;; Update System Bit Map
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ldx #BITMAP_SIZE-1
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lda #%00000001 ; protect page $BF
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: sta BITMAP,x
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lda #%00000000 ; nothing else protected until...
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dex
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bne :-
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lda #%11001111 ; ZP ($00), stack ($01), text page 1 ($04-$07)
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sta BITMAP
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;; Determine lowercase support
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lda MACHID
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and #$88 ; IIe or IIc (or IIgs) ?
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bne :+
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lda #$DF
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sta lowercase_mask ; lower case to upper case
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: rts
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.endproc
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;;; ============================================================
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;;; Find and invoke the next .SYSTEM file
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;;; ============================================================
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online_buf := $1C00
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io_buf := $1C00
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dir_buf := $2000
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block_len = $200
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DEFINE_ON_LINE_PARAMS on_line_params,,online_buf
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DEFINE_OPEN_PARAMS open_params, PATHNAME, io_buf
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DEFINE_READ_PARAMS read_params, SYS_ADDR, SYS_LEN
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DEFINE_READ_PARAMS read_block_params, dir_buf, block_len
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DEFINE_CLOSE_PARAMS close_params
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.proc launch_next
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;; Read directory and look for .SYSTEM files; find this
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;; one, and invoke the following one.
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ptr := $A5
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num := $A7
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len := $A8
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;; --------------------------------------------------
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;; Own name found? If not, just quit
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lda self_name
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bne :+
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jmp quit
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;; --------------------------------------------------
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;; Find name of boot device, copy into PATHNAME
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: lda devnum
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sta on_line_params::unit_num
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MLI_CALL ON_LINE, on_line_params
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bcc :+
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jmp on_error
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: lda #'/' ; Prefix by '/'
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sta PATHNAME+1
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lda online_buf
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and #$0F ; Mask off length
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sta PATHNAME
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ldx #0 ; Copy name
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: lda online_buf+1,x
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sta PATHNAME+2,x
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inx
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cpx PATHNAME
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bne :-
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inx ; One more for '/' prefix
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stx PATHNAME
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;; Open directory
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MLI_CALL OPEN, open_params
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bcc :+
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jmp on_error
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: lda open_params::ref_num
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sta read_block_params::ref_num
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sta close_params::ref_num
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;; Read first "block"
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MLI_CALL READ, read_block_params
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bcc :+
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jmp on_error
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;; Get sizes out of header
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: lda dir_buf + VolumeDirectoryHeader::entry_length
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sta entry_length_mod
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lda dir_buf + VolumeDirectoryHeader::entries_per_block
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sta entries_per_block_mod
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lda #1
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sta num
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;; Set up pointers to entry
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lda #<(dir_buf + .sizeof(VolumeDirectoryHeader))
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sta ptr
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lda #>(dir_buf + .sizeof(VolumeDirectoryHeader))
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sta ptr+1
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;; Process directory entry
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entry: ldy #FileEntry::file_type ; file_type
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lda (ptr),y
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cmp #$FF ; type=SYS
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bne next
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ldy #FileEntry::storage_type_name_length
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lda (ptr),y
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and #$30 ; regular file (not directory, pascal)
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beq next
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lda (ptr),y
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and #$0F ; name_length
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sta len
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tay
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;; Compare suffix - is it .SYSTEM?
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ldx suffix
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: lda (ptr),y
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cmp suffix,x
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bne next
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dey
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dex
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bne :-
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;; Yes; is it *this* .SYSTEM file?
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ldy self_name
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cpy len
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bne handle_sys_file
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: lda (ptr),y
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cmp self_name,y
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bne handle_sys_file
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dey
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bne :-
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sec
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ror found_self_flag
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;; Move to the next entry
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next: lda ptr
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clc
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adc #$27 ; self-modified: entry_length
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entry_length_mod := *-1
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sta ptr
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bcc :+
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inc ptr+1
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: inc num
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lda num
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cmp #$0D ; self-modified: entries_per_block
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entries_per_block_mod := *-1
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bcc entry
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;; Read next "block"
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MLI_CALL READ, read_block_params
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bcs not_found
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;; Set up pointers to entry
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lda #0
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sta num
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lda #<(dir_buf + $04)
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sta ptr
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lda #>(dir_buf + $04)
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sta ptr+1
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jmp entry
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;; --------------------------------------------------
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;; Found a .SYSTEM file which is not this one; invoke
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;; it if follows this one.
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handle_sys_file:
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bit found_self_flag
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bpl next
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MLI_CALL CLOSE, close_params
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;; Compose the path to invoke.
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ldx PATHNAME
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inx
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lda #'/'
|
||||
sta PATHNAME,x
|
||||
ldy #0
|
||||
: iny
|
||||
inx
|
||||
lda (ptr),y
|
||||
sta PATHNAME,x
|
||||
cpy len
|
||||
bcc :-
|
||||
stx PATHNAME
|
||||
|
||||
jmp invoke_system_file
|
||||
|
||||
not_found:
|
||||
jsr zstrout
|
||||
scrcode "\r\r* Unable to find next '.SYSTEM' file *\r"
|
||||
.byte 0
|
||||
|
||||
bit KBDSTRB
|
||||
: lda KBD
|
||||
bpl :-
|
||||
bit KBDSTRB
|
||||
jmp quit
|
||||
.endproc
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Load/execute the system file in PATHNAME
|
||||
|
||||
.proc invoke_system_file
|
||||
MLI_CALL OPEN, open_params
|
||||
bcs on_error
|
||||
|
||||
lda open_params::ref_num
|
||||
sta read_params::ref_num
|
||||
sta close_params::ref_num
|
||||
|
||||
MLI_CALL READ, read_params
|
||||
bcs on_error
|
||||
|
||||
MLI_CALL CLOSE, close_params
|
||||
bcs on_error
|
||||
|
||||
jmp SYS_ADDR ; Invoke loaded SYSTEM file
|
||||
.endproc
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Error handler - invoked if any ProDOS error occurs.
|
||||
|
||||
.proc on_error
|
||||
pha
|
||||
jsr zstrout
|
||||
scrcode "\r\r* Disk Error $"
|
||||
.byte 0
|
||||
|
||||
pla
|
||||
jsr PRBYTE
|
||||
|
||||
jsr zstrout
|
||||
scrcode " *\r"
|
||||
.byte 0
|
||||
|
||||
bit KBDSTRB
|
||||
: lda KBD
|
||||
bpl :-
|
||||
bit KBDSTRB
|
||||
jmp quit
|
||||
.endproc
|
||||
|
||||
.proc quit
|
||||
MLI_CALL QUIT, quit_params
|
||||
brk ; crash if QUIT fails
|
||||
|
||||
DEFINE_QUIT_PARAMS quit_params
|
||||
.endproc
|
||||
|
||||
;;; ============================================================
|
||||
;;; Data
|
||||
|
||||
suffix:
|
||||
PASCAL_STRING ".SYSTEM"
|
||||
|
||||
found_self_flag:
|
||||
.byte 0
|
||||
|
||||
;;; ============================================================
|
||||
;;; Common Routines
|
||||
;;; ============================================================
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Output a high-ascii, null-terminated string.
|
||||
;;; String immediately follows the JSR.
|
||||
|
||||
.proc zstrout
|
||||
ptr := $A5
|
||||
|
||||
pla ; read address from stack
|
||||
sta ptr
|
||||
pla
|
||||
sta ptr+1
|
||||
bne skip ; always (since data not on ZP)
|
||||
|
||||
next: cmp #HI('a') ; lower-case?
|
||||
bcc :+
|
||||
and lowercase_mask ; make upper-case if needed
|
||||
: jsr COUT
|
||||
skip: inc ptr
|
||||
bne :+
|
||||
inc ptr+1
|
||||
: ldy #0
|
||||
lda (ptr),y
|
||||
bne next
|
||||
|
||||
lda ptr+1 ; restore address to stack
|
||||
pha
|
||||
lda ptr
|
||||
pha
|
||||
rts
|
||||
.endproc
|
||||
|
||||
lowercase_mask:
|
||||
.byte $FF ; Set to $DF on systems w/o lower-case
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
;;; COUT a 2-digit number in A
|
||||
|
||||
.proc cout_number
|
||||
ldx #HI('0')
|
||||
cmp #10 ; >= 10?
|
||||
bcc tens
|
||||
|
||||
;; divide by 10, dividend(+'0') in x remainder in a
|
||||
: sbc #10
|
||||
inx
|
||||
cmp #10
|
||||
bcs :-
|
||||
|
||||
tens: pha
|
||||
cpx #HI('0')
|
||||
beq units
|
||||
txa
|
||||
jsr COUT
|
||||
|
||||
units: pla
|
||||
ora #HI('0')
|
||||
jsr COUT
|
||||
rts
|
||||
.endproc
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
;;; ============================================================
|
||||
;;;
|
||||
;;; More Apple II Symbols
|
||||
;;;
|
||||
;;; ============================================================
|
||||
|
||||
;;; ============================================================
|
||||
;;; Soft Switches
|
||||
;;; ============================================================
|
||||
|
||||
RAMRDOFF := $C002
|
||||
RAMRDON := $C003
|
||||
RAMWRTOFF := $C004
|
||||
RAMWRTON := $C005
|
||||
ALTZPOFF := $C008
|
||||
ALTZPON := $C009
|
||||
|
||||
CLR80VID := $C00C
|
||||
SET80VID := $C00D
|
||||
RDALTZP := $C016
|
||||
RD80STORE := $C018
|
||||
RDPAGE2 := $C01C
|
||||
|
||||
BANKSEL := $C073 ; Select RamWorks bank
|
||||
|
||||
ROMIN2 := $C082 ; Read ROM; no write
|
||||
RWRAM1 := $C08B ; Read/write RAM bank 1
|
||||
|
||||
;;; ============================================================
|
||||
;;; I/O Registers (for Slot 2)
|
||||
;;; ============================================================
|
||||
|
||||
TDREG := $C088 + $20 ; ACIA Transmit Register (write)
|
||||
RDREG := $C088 + $20 ; ACIA Receive Register (read)
|
||||
STATUS := $C089 + $20 ; ACIA Status/Reset Register
|
||||
COMMAND := $C08A + $20 ; ACIA Command Register (read/write)
|
||||
CONTROL := $C08B + $20 ; ACIA Control Register (read/write)
|
||||
|
||||
;;; ============================================================
|
||||
;;; Monitor ROM routines
|
||||
;;; ============================================================
|
||||
|
||||
INIT := $FB2F
|
||||
HOME := $FC58
|
||||
GETLN := $FD6A ; with prompt character
|
||||
GETLN2 := $FD6F ; no prompt character
|
||||
CROUT := $FD8E
|
||||
PRBYTE := $FDDA
|
||||
COUT := $FDED
|
||||
SETNORM := $FE84
|
||||
SETKBD := $FE89
|
||||
SETVID := $FE93
|
||||
|
||||
INPUT_BUFFER := $200
|
||||
|
|
@ -0,0 +1,123 @@
|
|||
;;; ============================================================
|
||||
;;; Generic Macros
|
||||
;;; ============================================================
|
||||
|
||||
.define _is_immediate(arg) (.match (.mid (0, 1, {arg}), #))
|
||||
.define _is_register(arg) (.match ({arg}, x) .or .match ({arg}, y))
|
||||
.define _is_y_register(arg) (.match ({arg}, y))
|
||||
.define _immediate_value(arg) (.right (.tcount ({arg})-1, {arg}))
|
||||
|
||||
.macro _op_lo op, arg
|
||||
.if _is_immediate {arg}
|
||||
op #<_immediate_value {arg}
|
||||
.else
|
||||
op arg
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
.macro _op_hi op, arg
|
||||
.if _is_immediate {arg}
|
||||
op #>_immediate_value {arg}
|
||||
.else
|
||||
op arg+1
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
;;; ============================================================
|
||||
;;; Temporary org change, for relocated routines
|
||||
|
||||
__pushorg_depth__ .set 0
|
||||
|
||||
.macro pushorg addr
|
||||
::__pushorg_depth__ .set ::__pushorg_depth__ + 1
|
||||
.ident(.sprintf("__pushorg_saved__%d", ::__pushorg_depth__)) := *
|
||||
.org addr
|
||||
.ident(.sprintf("__pushorg_start__%d", ::__pushorg_depth__)) := *
|
||||
.endmacro
|
||||
|
||||
.macro poporg
|
||||
.org .ident(.sprintf("__pushorg_saved__%d", ::__pushorg_depth__)) + (* - .ident(.sprintf("__pushorg_start__%d", ::__pushorg_depth__)))
|
||||
::__pushorg_depth__ .set ::__pushorg_depth__ - 1
|
||||
.endmacro
|
||||
|
||||
;;; ============================================================
|
||||
;;; Length-prefixed string
|
||||
;;;
|
||||
;;; Can include control chars by using:
|
||||
;;;
|
||||
;;; PASCAL_STRING {"abc",$0D,"def"}
|
||||
|
||||
.macro PASCAL_STRING str,res
|
||||
.local data
|
||||
.local end
|
||||
.byte end - data
|
||||
data: .byte str
|
||||
end:
|
||||
.if .paramcount > 1
|
||||
.res res - (end - data), 0
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
|
||||
;;; ============================================================
|
||||
;;; Common patterns
|
||||
|
||||
.macro copy arg1, arg2, arg3, arg4
|
||||
.if _is_register {arg2} && _is_register {arg4}
|
||||
;; indexed load/indexed store
|
||||
lda arg1,arg2
|
||||
sta arg3,arg4
|
||||
.elseif _is_register {arg2}
|
||||
;; indexed load variant (arg2 is x or y)
|
||||
lda arg1,arg2
|
||||
sta arg3
|
||||
.elseif _is_register {arg3}
|
||||
;; indexed store variant (arg3 is x or y)
|
||||
lda arg1
|
||||
sta arg2,arg3
|
||||
.else
|
||||
lda arg1
|
||||
sta arg2
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
|
||||
|
||||
;;; Copy 16-bit value
|
||||
;;; copy16 #$1111, $2222 ; immediate, absolute
|
||||
;;; copy16 $1111, $2222 ; absolute, absolute
|
||||
;;; copy16 $1111,x, $2222 ; indirect load, absolute store
|
||||
;;; copy16 $1111, $2222,x ; absolute load, indirect store
|
||||
;;; copy16 $1111,x $2222,x ; indirect load, indirect store
|
||||
;;; copy16 #$1111, $2222,x ; immediate load, indirect store
|
||||
.macro copy16 arg1, arg2, arg3, arg4
|
||||
.if _is_register {arg2} && _is_register {arg4}
|
||||
;; indexed load/indexed store
|
||||
lda arg1,arg2
|
||||
sta arg3,arg4
|
||||
lda arg1+1,arg2
|
||||
sta arg3+1,arg4
|
||||
.elseif _is_register {arg2}
|
||||
;; indexed load variant (arg2 is x or y)
|
||||
lda arg1,arg2
|
||||
sta arg3
|
||||
lda arg1+1,arg2
|
||||
sta arg3+1
|
||||
.elseif _is_register {arg3}
|
||||
;; indexed store variant (arg3 is x or y)
|
||||
_op_lo lda, {arg1}
|
||||
sta arg2,arg3
|
||||
_op_hi lda, {arg1}
|
||||
sta arg2+1,arg3
|
||||
.else
|
||||
_op_lo lda, {arg1}
|
||||
sta arg2
|
||||
_op_hi lda, {arg1}
|
||||
sta arg2+1
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
;;; ============================================================
|
||||
|
||||
;;; Set the high bit on the passed byte
|
||||
.define HI(c) ((c)|$80)
|
||||
|
|
@ -0,0 +1,477 @@
|
|||
;;; ============================================================
|
||||
;;;
|
||||
;;; ProDOS MLI
|
||||
;;;
|
||||
;;; ============================================================
|
||||
|
||||
;;; Entry point / Global Page
|
||||
MLI := $BF00 ; Entry point
|
||||
DATETIME := $BF06 ; JMP to clock routine
|
||||
DEVADR := $BF10 ; Device driver addresses ($BF10-$BF2F)
|
||||
NODEV := $BF10 ; "No Device Connected" entry (slot 0)
|
||||
DEVNUM := $BF30 ; Most recent accessed device
|
||||
DEVCNT := $BF31 ; Number of on-line devices minus 1
|
||||
DEVLST := $BF32 ; Up to 14 units ($BF32-$BF3F)
|
||||
BITMAP := $BF58 ; System memory bitmap
|
||||
BITMAP_SIZE = $18 ; Bits for pages $00 to $BF
|
||||
DATELO := $BF90 ; Date lo
|
||||
DATEHI := $BF91 ; Date hi
|
||||
TIMELO := $BF92 ; Time lo
|
||||
TIMEHI := $BF93 ; Time hi
|
||||
LEVEL := $BF94 ; File level
|
||||
MACHID := $BF98 ; Machine ID
|
||||
SLTBYT := $BF99 ; '1' bits indicate rom in slot (bit#)
|
||||
IVERSION := $BFFD ; Interpreter Version
|
||||
KVERSION := $BFFF ; ProDOS Kernel Version
|
||||
|
||||
;;; Patch Locations
|
||||
SELECTOR := $D100
|
||||
|
||||
BLOCK_SIZE = $200
|
||||
|
||||
PATHNAME := $280
|
||||
SYS_ADDR := $2000 ; Load address for SYS files
|
||||
SYS_LEN = $BF00 - SYS_ADDR ; Maximum SYS file length
|
||||
|
||||
;;; ============================================================
|
||||
;;; MLI Calls
|
||||
;;; ============================================================
|
||||
|
||||
;;; Housekeeping Calls
|
||||
CREATE = $C0
|
||||
DESTROY = $C1
|
||||
RENAME = $C2
|
||||
SET_FILE_INFO = $C3
|
||||
GET_FILE_INFO = $C4
|
||||
ON_LINE = $C5
|
||||
SET_PREFIX = $C6
|
||||
GET_PREFIX = $C7
|
||||
|
||||
;;; Filing Calls
|
||||
OPEN = $C8
|
||||
NEWLINE = $C9
|
||||
READ = $CA
|
||||
WRITE = $CB
|
||||
CLOSE = $CC
|
||||
FLUSH = $CD
|
||||
SET_MARK = $CE
|
||||
GET_MARK = $CF
|
||||
SET_EOF = $D0
|
||||
GET_EOF = $D1
|
||||
SET_BUF = $D2
|
||||
GET_BUF = $D3
|
||||
|
||||
;;; System Calls
|
||||
GET_TIME = $82
|
||||
ALLOC_INTERRUPT = $40
|
||||
DEALLOC_INTERRUPT = $41
|
||||
QUIT = $65
|
||||
|
||||
;;; Direct Disk Access Commands
|
||||
READ_BLOCK = $80
|
||||
WRITE_BLOCK = $81
|
||||
|
||||
;;; ============================================================
|
||||
;;; File Types
|
||||
;;; ============================================================
|
||||
|
||||
FT_TYPELESS = $00
|
||||
FT_BAD = $01
|
||||
FT_TEXT = $04 ; ASCII Text File *
|
||||
FT_BINARY = $06 ; Generic Binary File *
|
||||
FT_GRAPHICS = $08 ; Graphics File
|
||||
FT_DIRECTORY = $0F ; Directory *
|
||||
FT_ADB = $19 ; AppleWorks Database *
|
||||
FT_AWP = $1A ; AppleWorks Word Processing *
|
||||
FT_ASP = $1B ; AppleWorks Spreadsheet *
|
||||
FT_SRC = $B0 ; IIgs system type; re-used?
|
||||
FT_S16 = $B3 ; IIgs Application Program
|
||||
FT_PAS = $EF ; Pascal Area *
|
||||
FT_CMD = $F0 ; ProDOS Command File *
|
||||
FT_INT = $FA ; Integer BASIC Program *
|
||||
FT_IVR = $FB ; Integer BASIC Variable File *
|
||||
FT_BASIC = $FC ; Applesoft BASIC Program *
|
||||
FT_VAR = $FD ; Applesoft BASIC Variable File *
|
||||
FT_REL = $FE ; EDASM/Contiki Relocatable File *
|
||||
FT_SYSTEM = $FF ; ProDOS System File *
|
||||
|
||||
;;; Types marked with * are known to BASIC.SYSTEM and have an
|
||||
;;; associated three-letter abbreviation.
|
||||
|
||||
;;; ============================================================
|
||||
;;; Access
|
||||
;;; ============================================================
|
||||
|
||||
ACCESS_DEFAULT = %11000011
|
||||
ACCESS_LOCKED = %00100001
|
||||
|
||||
;;; ============================================================
|
||||
;;; Storage Types
|
||||
;;; ============================================================
|
||||
|
||||
ST_STANDARD_FILE = $01
|
||||
ST_LINKED_DIRECTORY = $0D
|
||||
ST_VOLUME_DIRECTORY = $0F
|
||||
|
||||
;;; ============================================================
|
||||
;;; Errors
|
||||
;;; ============================================================
|
||||
|
||||
ERR_DEVICE_NOT_CONNECTED = $28
|
||||
ERR_WRITE_PROTECTED = $2B
|
||||
ERR_INVALID_PATHNAME = $40
|
||||
ERR_INVALID_REFERENCE = $43
|
||||
ERR_PATH_NOT_FOUND = $44
|
||||
ERR_VOL_NOT_FOUND = $45
|
||||
ERR_FILE_NOT_FOUND = $46
|
||||
ERR_DUPLICATE_FILENAME= $47
|
||||
ERR_OVERRUN_ERROR = $48
|
||||
ERR_VOLUME_DIR_FULL = $49
|
||||
ERR_END_OF_FILE = $4C
|
||||
ERR_ACCESS_ERROR = $4E
|
||||
ERR_DUPLICATE_VOLUME = $57
|
||||
ERR_NETWORK_ERROR = $88
|
||||
|
||||
;;; ============================================================
|
||||
;;; Directory Structures
|
||||
;;; ============================================================
|
||||
|
||||
STORAGE_TYPE_MASK = $F0
|
||||
NAME_LENGTH_MASK = $0F
|
||||
|
||||
;;; Volume Directory Header structure
|
||||
.struct VolumeDirectoryHeader
|
||||
prev_block .word
|
||||
next_block .word
|
||||
storage_type_name_length .byte
|
||||
file_name .byte 15
|
||||
reserved .byte 8
|
||||
creation_date .word
|
||||
creation_time .word
|
||||
version .byte
|
||||
min_version .byte
|
||||
access .byte
|
||||
entry_length .byte
|
||||
entries_per_block .byte
|
||||
file_count .word
|
||||
;; same through here ---------
|
||||
bit_map_pointer .word
|
||||
total_blocks .word
|
||||
.endstruct
|
||||
.assert .sizeof(VolumeDirectoryHeader) = $2B, error, "incorrect struct size"
|
||||
|
||||
;;; Subdirectory Header structure
|
||||
.struct SubdirectoryHeader
|
||||
prev_block .word
|
||||
next_block .word
|
||||
storage_type_name_length .byte
|
||||
file_name .byte 15
|
||||
reserved .byte 8
|
||||
creation_date .word
|
||||
creation_time .word
|
||||
version .byte
|
||||
min_version .byte
|
||||
access .byte
|
||||
entry_length .byte
|
||||
entries_per_block .byte
|
||||
file_count .word
|
||||
;; same through here ---------
|
||||
parent_pointer .word
|
||||
parent_entry_number .byte
|
||||
parent_entry_length .byte
|
||||
.endstruct
|
||||
.assert .sizeof(SubdirectoryHeader) = $2B, error, "incorrect struct size"
|
||||
|
||||
;; File Entry structure
|
||||
.struct FileEntry
|
||||
storage_type_name_length .byte
|
||||
file_name .byte 15
|
||||
file_type .byte
|
||||
key_pointer .word
|
||||
blocks_used .word
|
||||
eof .faraddr
|
||||
creation_date .word
|
||||
creation_time .word
|
||||
version .byte
|
||||
min_version .byte
|
||||
access .byte
|
||||
aux_type .word
|
||||
mod_date .word
|
||||
mod_time .word
|
||||
header_pointer .word
|
||||
.endstruct
|
||||
.assert .sizeof(FileEntry) = $27, error, "incorrect struct size"
|
||||
|
||||
;;; ============================================================
|
||||
;;; ProDOS Driver Protocol
|
||||
;;; ============================================================
|
||||
|
||||
;;; Addresses for command parameters
|
||||
DRIVER_COMMAND := $42
|
||||
DRIVER_UNIT_NUMBER := $43
|
||||
DRIVER_BUFFER := $44
|
||||
DRIVER_BLOCK_NUMBER := $46
|
||||
|
||||
;;; Commands
|
||||
DRIVER_COMMAND_STATUS = 0
|
||||
DRIVER_COMMAND_READ = 1
|
||||
DRIVER_COMMAND_WRITE = 2
|
||||
DRIVER_COMMAND_FORMAT = 3
|
||||
|
||||
|
||||
;;; ============================================================
|
||||
;;; Macros
|
||||
;;; ============================================================
|
||||
|
||||
.macro MLI_CALL op, addr
|
||||
jsr MLI
|
||||
.byte op
|
||||
.addr addr
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_OPEN_PARAMS name, pn, io, rn
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.if .xmatch(.string(io), "io_buffer")
|
||||
.error "Can't pass 'io_buffer' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte 3
|
||||
pathname: .addr pn
|
||||
io_buffer: .addr io
|
||||
.ifnblank rn
|
||||
ref_num: .byte rn
|
||||
.else
|
||||
ref_num: .byte 0
|
||||
.endif
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_READ_PARAMS name, db, rc
|
||||
.proc name
|
||||
param_count: .byte 4
|
||||
ref_num: .byte 0
|
||||
data_buffer: .addr db
|
||||
request_count: .word rc
|
||||
trans_count: .word 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_WRITE_PARAMS name, db, rc
|
||||
.proc name
|
||||
param_count: .byte 4
|
||||
ref_num: .byte 0
|
||||
data_buffer: .addr db
|
||||
request_count: .word rc
|
||||
trans_count: .word 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_CLOSE_PARAMS name
|
||||
.proc name
|
||||
param_count: .byte 1
|
||||
ref_num: .byte 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_FLUSH_PARAMS name
|
||||
.proc name
|
||||
param_count: .byte 1
|
||||
ref_num: .byte 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_GET_FILE_INFO_PARAMS name, pn
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte $A
|
||||
pathname: .addr pn
|
||||
access: .byte 0
|
||||
file_type: .byte 0
|
||||
aux_type: .word 0
|
||||
storage_type: .byte 0
|
||||
blocks_used: .word 0
|
||||
mod_date: .word 0
|
||||
mod_time: .word 0
|
||||
create_date: .word 0
|
||||
create_time: .word 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_SET_MARK_PARAMS name, pos
|
||||
.proc name
|
||||
param_count: .byte 2
|
||||
ref_num: .byte 0
|
||||
position: .faraddr pos
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_ON_LINE_PARAMS name, un, db
|
||||
.proc name
|
||||
param_count: .byte 2
|
||||
|
||||
.ifnblank un
|
||||
unit_num: .byte un
|
||||
.else
|
||||
unit_num: .byte 0
|
||||
.endif
|
||||
|
||||
data_buffer: .addr db
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_READ_BLOCK_PARAMS name, db, bn
|
||||
.proc name
|
||||
param_count: .byte 3
|
||||
unit_num: .byte 0
|
||||
data_buffer: .addr db
|
||||
block_num: .word bn
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
|
||||
.macro DEFINE_WRITE_BLOCK_PARAMS name, db, bn
|
||||
.proc name
|
||||
param_count: .byte 3
|
||||
unit_num: .byte 0
|
||||
data_buffer: .addr db
|
||||
block_num: .word bn
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_ALLOC_INTERRUPT_PARAMS name, ic
|
||||
.proc alloc_interrupt_params
|
||||
param_count: .byte 2
|
||||
int_num: .byte 0
|
||||
int_code: .addr ic
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_DEALLOC_INTERRUPT_PARAMS name
|
||||
.proc dealloc_interrupt_params
|
||||
param_count: .byte 1
|
||||
int_num: .byte 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_QUIT_PARAMS name, ext, pathname
|
||||
.proc name
|
||||
param_count: .byte 4
|
||||
.ifnblank ext
|
||||
.byte ext
|
||||
.else
|
||||
.byte 0
|
||||
.endif
|
||||
.ifnblank pathname
|
||||
.word pathname
|
||||
.else
|
||||
.word 0
|
||||
.endif
|
||||
.byte 0
|
||||
.word 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_SET_PREFIX_PARAMS name, pn
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte 1
|
||||
pathname: .addr pn
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_GET_PREFIX_PARAMS name, pn
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte 1
|
||||
pathname: .addr pn
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_DESTROY_PARAMS name, pn
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte 1
|
||||
pathname: .addr pn
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_CREATE_PARAMS name, pn, ac, ft, at, st
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte 7
|
||||
pathname: .addr pn
|
||||
|
||||
.ifnblank ac
|
||||
access: .byte ac
|
||||
.else
|
||||
access: .byte 0
|
||||
.endif
|
||||
|
||||
.ifnblank ft
|
||||
file_type: .byte ft
|
||||
.else
|
||||
file_type: .byte 0
|
||||
.endif
|
||||
|
||||
.ifnblank at
|
||||
aux_type: .word at
|
||||
.else
|
||||
aux_type: .word 0
|
||||
.endif
|
||||
|
||||
.ifnblank st
|
||||
storage_type: .byte st
|
||||
.else
|
||||
storage_type: .byte 0
|
||||
.endif
|
||||
|
||||
create_date: .word 0
|
||||
create_time: .word 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_SET_EOF_PARAMS name, eo
|
||||
.proc name
|
||||
param_count: .byte 2
|
||||
ref_num: .byte 0
|
||||
eof: .faraddr eo
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_GET_EOF_PARAMS name
|
||||
.proc name
|
||||
param_count: .byte 2
|
||||
ref_num: .byte 0
|
||||
eof: .faraddr 0
|
||||
.endproc
|
||||
.endmacro
|
||||
|
||||
.macro DEFINE_RENAME_PARAMS name, pn, np
|
||||
.if .xmatch(.string(pn), "pathname")
|
||||
;; If 'pathname' is passed then expansion yields a circular reference.
|
||||
.error "Can't pass 'pathname' label to DEFINE_*_PARAMS"
|
||||
.endif
|
||||
.proc name
|
||||
param_count: .byte 2
|
||||
pathname: .addr pn
|
||||
new_pathname: .addr np
|
||||
.endproc
|
||||
.endmacro
|
||||
Loading…
Reference in New Issue