| 1 |
243 |
winston |
;The MIT License
|
| 2 |
|
|
;
|
| 3 |
|
|
;Copyright (c) 2009 Dylan Smith
|
| 4 |
|
|
;
|
| 5 |
|
|
;Permission is hereby granted, free of charge, to any person obtaining a copy
|
| 6 |
|
|
;of this software and associated documentation files (the "Software"), to deal
|
| 7 |
|
|
;in the Software without restriction, including without limitation the rights
|
| 8 |
|
|
;to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
| 9 |
|
|
;copies of the Software, and to permit persons to whom the Software is
|
| 10 |
|
|
;furnished to do so, subject to the following conditions:
|
| 11 |
|
|
;
|
| 12 |
|
|
;The above copyright notice and this permission notice shall be included in
|
| 13 |
|
|
;all copies or substantial portions of the Software.
|
| 14 |
|
|
;
|
| 15 |
|
|
;THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
| 16 |
|
|
;IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
| 17 |
|
|
;FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
| 18 |
|
|
;AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
| 19 |
|
|
;LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
| 20 |
|
|
;OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
| 21 |
|
|
;THE SOFTWARE.
|
| 22 |
|
|
|
| 23 |
|
|
; Definitions for streams.
|
| 24 |
|
|
|
| 25 |
|
|
; Flags that describe what kind of stream we have.
|
| 26 |
|
|
ISFILE equ 1
|
| 27 |
|
|
RDONLY equ 2
|
| 28 |
|
|
ISDIR equ 4
|
| 29 |
308 |
winston |
ISCTRL equ 8
|
| 30 |
243 |
winston |
|
| 31 |
|
|
; Bit positions for the above
|
| 32 |
|
|
BIT_ISFILE equ 0
|
| 33 |
|
|
BIT_RDONLY equ 1
|
| 34 |
|
|
BIT_ISDIR equ 2
|
| 35 |
308 |
winston |
BIT_ISCTRL equ 3
|
| 36 |
243 |
winston |
|
| 37 |
252 |
winston |
; Offsets for stream metadata.
|
| 38 |
|
|
STRM_WRITEBUF equ 0 ; Write buffer number
|
| 39 |
|
|
STRM_READBUF equ 1 ; Read buffer number
|
| 40 |
|
|
STRM_WRITEPTR equ 2 ; Write pointer
|
| 41 |
|
|
STRM_READPTR equ 3 ; Read pointer
|
| 42 |
|
|
STRM_FD equ 4 ; File/socket/dir handle
|
| 43 |
|
|
STRM_FLAGS equ 5 ; Flags bitfield
|
| 44 |
|
|
STRM_REMAINING equ 6 ; Remaining buffer size
|
| 45 |
|
|
|
| 46 |
308 |
winston |
; State variables - offsets (note offset 5 is STRM_FLAGS)
|
| 47 |
|
|
OFS_FLAGS equ 0
|
| 48 |
|
|
OFS_CURCMD equ 1
|
| 49 |
|
|
OFS_CURSTATE equ 2
|
| 50 |
|
|
OFS_STREAM equ 3
|
| 51 |
317 |
winston |
OFS_CURDATA equ 6
|
| 52 |
308 |
winston |
|
| 53 |
|
|
; Definitions.
|
| 54 |
|
|
BUFMETADATA equ 0x1000
|
| 55 |
|
|
BUFDATASZ equ 8
|
| 56 |
|
|
|
| 57 |
|
|
; Command definitions for the control channel
|
| 58 |
|
|
CMD_POLLALL equ 'p'
|
| 59 |
|
|
|
| 60 |
380 |
winston |
STREAM_ROM_ID equ 0x02
|
| 61 |
|
|
INTERPWKSPC equ 0x3000
|