416 lines
22 KiB
NASM
416 lines
22 KiB
NASM
;--------------------------------------------------------------------------------------------------------
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;-
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;- Name: RFS_Definitions.asm
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;- Created: September 2019
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;- Author(s): Philip Smart
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;- Description: Sharp MZ series Rom Filing System.
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;- Definitions for the RFS including SA1510 locations.
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;-
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;- Credits:
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;- Copyright: (c) 2019-20 Philip Smart <philip.smart@net2net.org>
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;-
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;- History: September 2019 - Initial version.
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;-
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;--------------------------------------------------------------------------------------------------------
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;- This source file is free software: you can redistribute it and-or modify
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;- it under the terms of the GNU General Public License as published
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;- by the Free Software Foundation, either version 3 of the License, or
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;- (at your option) any later version.
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;-
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;- This source file is distributed in the hope that it will be useful,
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;- but WITHOUT ANY WARRANTY; without even the implied warranty of
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;- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;- GNU General Public License for more details.
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;-
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;- You should have received a copy of the GNU General Public License
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;- along with this program. If not, see <http://www.gnu.org/licenses/>.
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;--------------------------------------------------------------------------------------------------------
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;-----------------------------------------------
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; Entry/compilation start points.
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;-----------------------------------------------
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UROMADDR EQU 0E800H ; Start of User ROM Address space.
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RFSJMPTABLE EQU UROMADDR + 00080H ; Start of jump table.
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FDCROMADDR EQU 0F000H
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;-------------------------------------------------------
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; Function entry points in the standard SA-1510 Monitor.
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;-------------------------------------------------------
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GETL: EQU 00003h
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LETNL: EQU 00006h
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NL: EQU 00009h
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PRNTS: EQU 0000Ch
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PRNT: EQU 00012h
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MSG: EQU 00015h
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MSGX: EQU 00018h
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GETKY EQU 0001Bh
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BRKEY EQU 0001Eh
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?WRI EQU 00021h
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?WRD EQU 00024h
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?RDI EQU 00027h
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?RDD EQU 0002Ah
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?VRFY EQU 0002Dh
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MELDY EQU 00030h
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?TMST EQU 00033h
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MONIT: EQU 00000h
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SS: EQU 00089h
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ST1: EQU 00095h
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MSGE1 EQU 00118h
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HLHEX EQU 00410h
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_2HEX EQU 0041Fh
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?MODE: EQU 0074DH
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?KEY EQU 008CAh
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PRNT3 EQU 0096Ch
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MSG?2 EQU 000F7h
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?ADCN EQU 00BB9h
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?DACN EQU 00BCEh
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?BLNK EQU 00DA6h
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?DPCT EQU 00DDCh
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PRTHL: EQU 003BAh
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PRTHX: EQU 003C3h
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HEX: EQU 003F9h
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DPCT: EQU 00DDCh
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DLY12: EQU 00DA7h
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DLY12A: EQU 00DAAh
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?RSTR1: EQU 00EE6h
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; Debugging
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ENADEBUG EQU 0 ; Enable debugging logic, 1 = enable, 0 = disable
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;-----------------------------------------------
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; Memory mapped ports in hardware.
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;-----------------------------------------------
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SCRN: EQU 0D000H
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ARAM: EQU 0D800H
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DSPCTL: EQU 0DFFFH ; Screen 40/80 select register (bit 7)
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KEYPA: EQU 0E000h
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KEYPB: EQU 0E001h
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KEYPC: EQU 0E002h
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KEYPF: EQU 0E003h
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CSTR: EQU 0E002h
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CSTPT: EQU 0E003h
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CONT0: EQU 0E004h
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CONT1: EQU 0E005h
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CONT2: EQU 0E006h
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CONTF: EQU 0E007h
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SUNDG: EQU 0E008h
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TEMP: EQU 0E008h
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MEMSW: EQU 0E00CH
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MEMSWR: EQU 0E010H
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INVDSP: EQU 0E014H
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NRMDSP: EQU 0E015H
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SCLDSP: EQU 0E200H
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SCLBASE: EQU 0E2H
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RFSBK1: EQU 0EFFCh ; Select RFS Bank1 (MROM)
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RFSBK2: EQU 0EFFDh ; Select RFS Bank2 (User ROM)
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RFSRST1: EQU 0EFFEh ; Reset RFS Bank1 to original.
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RFSRST2: EQU 0EFFFh ; Reset RFS Bank2 to original.
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;-----------------------------------------------
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; IO ports in hardware and values.
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;-----------------------------------------------
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SPI_OUT EQU 0FFH
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SPI_IN EQU 0FEH
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;
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DOUT_LOW EQU 000H
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DOUT_HIGH EQU 004H
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DOUT_MASK EQU 004H
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DIN_LOW EQU 000H
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DIN_HIGH EQU 001H
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CLOCK_LOW EQU 000H
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CLOCK_HIGH EQU 002H
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CLOCK_MASK EQU 0FDH
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CS_LOW EQU 000H
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CS_HIGH EQU 001H
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;-----------------------------------------------
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; Rom File System Header (MZF)
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;-----------------------------------------------
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RFS_ATRB: EQU 00000h ; Code Type, 01 = Machine Code.
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RFS_NAME: EQU 00001h ; Title/Name (17 bytes).
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RFS_SIZE: EQU 00012h ; Size of program.
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RFS_DTADR: EQU 00014h ; Load address of program.
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RFS_EXADR: EQU 00016h ; Exec address of program.
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RFS_COMNT: EQU 00018h ; COMMENT
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;-----------------------------------------------
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; Entry/compilation start points.
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;-----------------------------------------------
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TPSTART: EQU 010F0h
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MEMSTART: EQU 01200h
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MSTART: EQU 0E900h
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DIRMROM: EQU 0006Eh
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MFINDMZF: EQU 00071h
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MROMLOAD: EQU 00074h
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MZFHDRSZ EQU 128
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RFSSECTSZ EQU 256
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MROMSIZE EQU 4096
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UROMSIZE EQU 2048
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FNSIZE EQU 17
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;-----------------------------------------------
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; ROM Banks, 0-7 are reserved for alternative
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; Monitor versions, CPM and RFS
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; code in MROM bank,
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; 0-7 are reserved for RFS code in
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; the User ROM bank.
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; 8-15 are reserved for CPM code in
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; the User ROM bank.
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;-----------------------------------------------
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MROMPAGES EQU 8
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USRROMPAGES EQU 12 ; Monitor ROM : User ROM
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ROMBANK0 EQU 0 ; MROM SA1510 40 Char : RFS Bank 0 - Main RFS Entry point and functions.
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ROMBANK1 EQU 1 ; MROM SA1510 80 Char : RFS Bank 1 - Floppy disk controller and utilities.
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ROMBANK2 EQU 2 ; CPM 2.2 CBIOS : RFS Bank 2 - SD Card controller and utilities.
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ROMBANK3 EQU 3 ; RFS Utilities : RFS Bank 3 - Cmdline tools (Memory, Printer, Help)
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ROMBANK4 EQU 4 ; Free : RFS Bank 4 - CMT Utilities.
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ROMBANK5 EQU 5 ; Free : RFS Bank 5
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ROMBANK6 EQU 6 ; Free : RFS Bank 6
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ROMBANK7 EQU 7 ; Free : RFS Bank 7 - Memory and timer test utilities.
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ROMBANK8 EQU 8 ; : CBIOS Bank 1 - Utilities
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ROMBANK9 EQU 9 ; : CBIOS Bank 2 - Screen / ANSI Terminal
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ROMBANK10 EQU 10 ; : CBIOS Bank 3 - SD Card
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ROMBANK11 EQU 11 ; : CBIOS Bank 4 - Floppy disk controller.
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OBJCD EQU 001h
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;-----------------------------------------------
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; Common character definitions.
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;-----------------------------------------------
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SCROLL EQU 001H ; Set scrool direction UP.
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BELL EQU 007H
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SPACE EQU 020H
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TAB EQU 009H ; TAB ACROSS (8 SPACES FOR SD-BOARD)
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CR EQU 00DH
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LF EQU 00AH
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FF EQU 00CH
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ESC EQU 01BH
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DELETE EQU 07FH
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BACKS EQU 008H
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SOH EQU 1 ; For XModem etc.
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EOT EQU 4
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ACK EQU 6
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NAK EQU 15H
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NUL EQU 00H
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NULL EQU 000H
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CTRL_A EQU 001H
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CTRL_B EQU 002H
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CTRL_C EQU 003H
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CTRL_D EQU 004H
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CTRL_E EQU 005H
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CTRL_F EQU 006H
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CTRL_G EQU 007H
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CTRL_H EQU 008H
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CTRL_I EQU 009H
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CTRL_J EQU 00AH
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CTRL_K EQU 00BH
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CTRL_L EQU 00CH
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CTRL_M EQU 00DH
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CTRL_N EQU 00EH
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CTRL_O EQU 00FH
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CTRL_P EQU 010H
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CTRL_Q EQU 011H
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CTRL_R EQU 012H
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CTRL_S EQU 013H
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CTRL_T EQU 014H
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CTRL_U EQU 015H
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CTRL_V EQU 016H
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CTRL_W EQU 017H
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CTRL_X EQU 018H
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CTRL_Y EQU 019H
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CTRL_Z EQU 01AH
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CTRL_SLASH EQU 01CH
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CTRL_RB EQU 01DH
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CTRL_CAPPA EQU 01EH
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CTRL_UNDSCR EQU 01FH
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CTRL_AT EQU 000H
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NOKEY EQU 0F0H
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CURSRIGHT EQU 0F1H
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CURSLEFT EQU 0F2H
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CURSUP EQU 0F3H
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CURSDOWN EQU 0F4H
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DBLZERO EQU 0F5H
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INSERT EQU 0F6H
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CLRKEY EQU 0F7H
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HOMEKEY EQU 0F8H
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BREAKKEY EQU 0FBH
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; MMC/SD command (SPI mode)
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CMD0 EQU 64 + 0 ; GO_IDLE_STATE
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CMD1 EQU 64 + 1 ; SEND_OP_COND
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ACMD41 EQU 0x40+41 ; SEND_OP_COND (SDC)
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CMD8 EQU 64 + 8 ; SEND_IF_COND
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CMD9 EQU 64 + 9 ; SEND_CSD
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CMD10 EQU 64 + 10 ; SEND_CID
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CMD12 EQU 64 + 12 ; STOP_TRANSMISSION
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CMD13 EQU 64 + 13 ; SEND_STATUS
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ACMD13 EQU 0x40+13 ; SD_STATUS (SDC)
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CMD16 EQU 64 + 16 ; SET_BLOCKLEN
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CMD17 EQU 64 + 17 ; READ_SINGLE_BLOCK
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CMD18 EQU 64 + 18 ; READ_MULTIPLE_BLOCK
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CMD23 EQU 64 + 23 ; SET_BLOCK_COUNT
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ACMD23 EQU 0x40+23 ; SET_WR_BLK_ERASE_COUNT (SDC)
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CMD24 EQU 64 + 24 ; WRITE_BLOCK
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CMD25 EQU 64 + 25 ; WRITE_MULTIPLE_BLOCK
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CMD32 EQU 64 + 32 ; ERASE_ER_BLK_START
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CMD33 EQU 64 + 33 ; ERASE_ER_BLK_END
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CMD38 EQU 64 + 38 ; ERASE
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CMD55 EQU 64 + 55 ; APP_CMD
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CMD58 EQU 64 + 58 ; READ_OCR
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SD_SECSIZE EQU 512 ; Default size of an SD Sector
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; Card type flags (CardType)
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CT_MMC EQU 001H ; MMC ver 3
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CT_SD1 EQU 002H ; SD ver 1
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CT_SD2 EQU 004H ; SD ver 2
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CT_SDC EQU CT_SD1|CT_SD2 ; SD
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CT_BLOCK EQU 008H ; Block addressing
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; SD Card Directory structure. The directory entries are based on the MZF Header format and constraints.
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;
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; FLAG1 | FLAG2 | FILE NAME | START SECTOR | SIZE | LOAD ADDR | EXEC ADDR | RESERVED
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; 1 Byte | 1 Byte | 17 Bytes | 2 Bytes | 2 Bytes | 2 Bytes | 2 Bytes | 5 Bytes
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;
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; FLAG1 : BIT 7 = 1, Valid directory entry, 0 = inactive.
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; FLAG2 : MZF Execution Code, 0x01 = Binary
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; FILENAME : Standard MZF format filename.
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; START SECTOR : Sector in the SD card where the program starts. It always starts at position 0 of the sector.
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; SIZE : Size in bytes of the program. Each file block occupies 64Kbyte space (as per a tape) and this
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; parameter provides the actual space occupied by the program at the current time.
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; LOAD ADDR : Start address in memory where data should be loaded.
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; EXEC ADDR : If a binary then this parameter specifies the location to auto execute once loaded.
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; RESERVED : Not used at the moemnt.
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SDDIR_FLAG1 EQU 000H
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SDDIR_FLAG2 EQU 001H
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SDDIR_FILEN EQU 002H
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SDDIR_SSEC EQU 013H
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SDDIR_SIZE EQU 015H
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SDDIR_LOAD EQU 017H
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SDDIR_EXEC EQU 019H
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SDDIR_FNSZ EQU FNSIZE
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SDDIR_ENTSZ EQU 32
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;-----------------------------------------------
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; SA-1510 MONITOR WORK AREA (MZ80A)
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;-----------------------------------------------
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STACK: EQU 010F0H
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;
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ORG STACK
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;
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SPV:
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IBUFE: ; TAPE BUFFER (128 BYTES)
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ATRB: DS virtual 1 ; ATTRIBUTE
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NAME: DS virtual FNSIZE ; FILE NAME
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SIZE: DS virtual 2 ; BYTESIZE
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DTADR: DS virtual 2 ; DATA ADDRESS
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EXADR: DS virtual 2 ; EXECUTION ADDRESS
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COMNT: DS virtual 92 ; COMMENT
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SWPW: DS virtual 10 ; SWEEP WORK
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KDATW: DS virtual 2 ; KEY WORK
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KANAF: DS virtual 1 ; KANA FLAG (01=GRAPHIC MODE)
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DSPXY: DS virtual 2 ; DISPLAY COORDINATES
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MANG: DS virtual 6 ; COLUMN MANAGEMENT
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MANGE: DS virtual 1 ; COLUMN MANAGEMENT END
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PBIAS: DS virtual 1 ; PAGE BIAS
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ROLTOP: DS virtual 1 ; ROLL TOP BIAS
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MGPNT: DS virtual 1 ; COLUMN MANAG. POINTER
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PAGETP: DS virtual 2 ; PAGE TOP
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ROLEND: DS virtual 1 ; ROLL END
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DS virtual 14 ; BIAS
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FLASH: DS virtual 1 ; FLASHING DATA
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SFTLK: DS virtual 1 ; SHIFT LOCK
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REVFLG: DS virtual 1 ; REVERSE FLAG
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SPAGE: DS virtual 1 ; PAGE CHANGE
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FLSDT: DS virtual 1 ; CURSOR DATA
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STRGF: DS virtual 1 ; STRING FLAG
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DPRNT: DS virtual 1 ; TAB COUNTER
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TMCNT: DS virtual 2 ; TAPE MARK COUNTER
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SUMDT: DS virtual 2 ; CHECK SUM DATA
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CSMDT: DS virtual 2 ; FOR COMPARE SUM DATA
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AMPM: DS virtual 1 ; AMPM DATA
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TIMFG: DS virtual 1 ; TIME FLAG
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SWRK: DS virtual 1 ; KEY SOUND FLAG
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TEMPW: DS virtual 1 ; TEMPO WORK
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ONTYO: DS virtual 1 ; ONTYO WORK
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OCTV: DS virtual 1 ; OCTAVE WORK
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RATIO: DS virtual 2 ; ONPU RATIO
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BUFER: DS virtual 81 ; GET LINE BUFFER
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; Starting 1000H - Generally unused bytes not cleared by the monitor.
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ROMBK1: EQU 01016H ; CURRENT MROM BANK
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ROMBK2: EQU 01017H ; CURRENT USERROM BANK
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WRKROMBK1: EQU 01018H ; WORKING MROM BANK
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WRKROMBK2: EQU 01019H ; WORKING USERROM BANK
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SCRNMODE: EQU 0101AH ; Mode of screen, 0 = 40 char, 1 = 80 char.
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TMPADR: EQU 0101BH ; TEMPORARY ADDRESS STORAGE
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TMPSIZE: EQU 0101DH ; TEMPORARY SIZE
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TMPCNT: EQU 0101FH ; TEMPORARY COUNTER
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TMPLINECNT: EQU 01021H ; Temporary counter for displayed lines.
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TMPSTACKP: EQU 01023H ; Temporary stack pointer save.
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SDVER: EQU 01025H
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SDCAP: EQU 01026H
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; Variables sharing the CMT buffer, normally the CMT and SD are not used at the same
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; time. This frees up memory needed by the SD card.
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SECTORBUF: EQU 0CE00H ; Working buffer to place an SD card sector.
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SDBYTECNT EQU COMNT+2 ; Bytes to read/write to/from a sector.
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SDOFFSET EQU COMNT+4 ; Offset into sector prior to data read/write.
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SDSTARTSEC EQU COMNT+6 ; Starting sector of data to read/write from/to SD card.
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SDLOADADDR EQU COMNT+10 ; Address to read/write data from/to SD card.
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SDLOADSIZE EQU COMNT+12 ; Total remaining byte count data to read/write from/to SD card.
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SDAUTOEXEC EQU COMNT+14 ; Flag to indicate if a loaded image should be executed (=0xFF)
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SDBUF: EQU COMNT+15 ; SD Card command fram buffer for the command and response storage.
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DIRSECBUF: EQU COMNT+26 ; Directory sector in cache.
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RESULT: EQU COMNT+27
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BYTECNT: EQU COMNT+29
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WRITECNT: EQU COMNT+31
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; Quickdisk work area
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;QDPA EQU 01130h ; QD code 1
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;QDPB EQU 01131h ; QD code 2
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;QDPC EQU 01132h ; QD header startaddress
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;QDPE EQU 01134h ; QD header length
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;QDCPA EQU 0113Bh ; QD error flag
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;HDPT EQU 0113Ch ; QD new headpoint possition
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;HDPT0 EQU 0113Dh ; QD actual headpoint possition
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;FNUPS EQU 0113Eh
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;FNUPF EQU 01140h
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;FNA EQU 01141h ; File Number A (actual file number)
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;FNB EQU 01142h ; File Number B (next file number)
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;MTF EQU 01143h ; QD motor flag
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;RTYF EQU 01144h
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;SYNCF EQU 01146h ; SyncFlags
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;RETSP EQU 01147h
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;BUFER EQU 011A3h
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;QDIRBF EQU 0CD90h
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;SPV:
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;IBUFE: ; TAPE BUFFER (128 BYTES)
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;ATRB: DS virtual 1 ; Code Type, 01 = Machine Code.
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;NAME: DS virtual 17 ; Title/Name (17 bytes).
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;SIZE: DS virtual 2 ; Size of program.
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;DTADR: DS virtual 2 ; Load address of program.
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;EXADR: DS virtual 2 ; Exec address of program.
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;COMNT: DS virtual 104 ; COMMENT
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;KANAF: DS virtual 1 ; KANA FLAG (01=GRAPHIC MODE)
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;DSPXY: DS virtual 2 ; DISPLAY COORDINATES
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;MANG: DS virtual 27 ; COLUMN MANAGEMENT
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;FLASH: DS virtual 1 ; FLASHING DATA
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;FLPST: DS virtual 2 ; FLASHING POSITION
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;FLSST: DS virtual 1 ; FLASHING STATUS
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;FLSDT: DS virtual 1 ; CURSOR DATA
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;STRGF: DS virtual 1 ; STRING FLAG
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;DPRNT: DS virtual 1 ; TAB COUNTER
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;TMCNT: DS virtual 2 ; TAPE MARK COUNTER
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;SUMDT: DS virtual 2 ; CHECK SUM DATA
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;CSMDT: DS virtual 2 ; FOR COMPARE SUM DATA
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;AMPM: DS virtual 1 ; AMPM DATA
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;TIMFG: DS virtual 1 ; TIME FLAG
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;SWRK: DS virtual 1 ; KEY SOUND FLAG
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;TEMPW: DS virtual 1 ; TEMPO WORK
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;ONTYO: DS virtual 1 ; ONTYO WORK
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;OCTV: DS virtual 1 ; OCTAVE WORK
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;RATIO: DS virtual 2 ; ONPU RATIO
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