473 lines
36 KiB
NASM
473 lines
36 KiB
NASM
;--------------------------------------------------------------------------------------------------------
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;-
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;- Name: TZFS_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 tzfs (tranZPUter Filing System).
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;- This assembly language program is a branch from the original RFS written for the
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;- MZ80A_RFS upgrade board. It is adapted to work within the similar yet different
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;- environment of the tranZPUter SW which has a large RAM capacity (512K) and an
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;- I/O processor in the K64F/ZPU.
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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: May 2020 - Branch taken from RFS v2.0 and adapted for the tranZPUter SW.
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;- July 2020 - Updates to accommodate v2.1 of the tranZPUter board.
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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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; Features.
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;-----------------------------------------------
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;-----------------------------------------------
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; Entry/compilation start points.
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;-----------------------------------------------
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MROMADDR EQU 00000H ; Start of SA1510 Monitor ROM.
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UROMADDR EQU 0E800H ; Start of User ROM Address space.
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UROMBSTBL EQU UROMADDR + 020H ; Entry point to the bank switching table.
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TZFSJMPTABLE EQU UROMADDR + 00080H ; Start of jump table.
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BANKRAMADDR EQU 0F000H ; Start address of the banked RAM used for TZFS functionality.
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FDCROMADDR EQU 0F000H
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FDCJMP1BLK EQU 0F3C0H ; The memory mapping FlashRAM only has 64byte granularity so we need to block 64 bytes per FDC vector.
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FDCJMP1 EQU 0F3FEH ; ROM paged vector 1.
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FDCJMP2BLK EQU 0F7C0H ; The memory mapping FlashRAM only has 64byte granularity so we need to block 64 bytes per FDC vector.
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FDCJMP2 EQU 0F7FEH ; ROM paged vector 2.
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;-----------------------------------------------
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; Common character definitions.
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;-----------------------------------------------
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SCROLL EQU 001H ;Set scroll 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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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 015H
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NUL EQU 000H
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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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ESC EQU 01BH
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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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;-------------------------------------------------------
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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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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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?ADCN EQU 00BB9h
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?DACN EQU 00BCEh
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?DSP: EQU 00DB5H
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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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MOTOR: EQU 006A3H
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CKSUM: EQU 0071AH
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GAP: EQU 0077AH
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WTAPE: EQU 00485H
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MSTOP: EQU 00700H
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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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;-----------------------------------------------
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; IO ports in hardware and values.
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;-----------------------------------------------
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MMCFG EQU 060H ; Memory management configuration latch.
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SETXMHZ EQU 062H ; Select the alternate clock frequency.
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SET2MHZ EQU 064H ; Select the system 2MHz clock frequency.
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CLKSELRD EQU 066H ; Read clock selected setting, 0 = 2MHz, 1 = XMHz
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SVCREQ EQU 068H ; I/O Processor service request.
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CPLDCFG EQU 06EH ; Version 2.1 CPLD configuration register.
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CPLDSTATUS EQU 06EH ; Version 2.1 CPLD status register.
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CPLDINFO EQU 06FH ; Version 2.1 CPLD version information register.
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;-----------------------------------------------
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; CPLD Configuration constants.
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;-----------------------------------------------
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SET_MODE_MZ80A EQU 1 ; Set to original unmodified hardware.
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SET_MODE_MZ700 EQU 2 ; Map keyboard and memory mode settings to MZ700 mode.
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;-----------------------------------------------
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; tranZPUter SW Memory Management modes
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;-----------------------------------------------
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TZMM_ENIOWAIT EQU 020H ; Memory management IO Wait State enable - insert a wait state when an IO operation to E0-FF is executed.
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TZMM_ORIG EQU 000H ; Original Sharp MZ80A mode, no tranZPUter features are selected except the I/O control registers (default: 0x60-063).
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TZMM_BOOT EQU 001H ; Original mode but E800-EFFF is mapped to tranZPUter RAM so TZFS can be booted.
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TZMM_TZFS EQU 002H + TZMM_ENIOWAIT ; TZFS main memory configuration. all memory is in tranZPUter RAM, E800-FFFF is used by TZFS, SA1510 is at 0000-1000 and RAM is 1000-CFFF, 64K Block 0 selected.
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TZMM_TZFS2 EQU 003H + TZMM_ENIOWAIT ; TZFS main memory configuration. all memory is in tranZPUter RAM, E800-EFFF is used by TZFS, SA1510 is at 0000-1000 and RAM is 1000-CFFF, 64K Block 0 selected, F000-FFFF is in 64K Block 1.
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TZMM_TZFS3 EQU 004H + TZMM_ENIOWAIT ; TZFS main memory configuration. all memory is in tranZPUter RAM, E800-EFFF is used by TZFS, SA1510 is at 0000-1000 and RAM is 1000-CFFF, 64K Block 0 selected, F000-FFFF is in 64K Block 2.
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TZMM_TZFS4 EQU 005H + TZMM_ENIOWAIT ; TZFS main memory configuration. all memory is in tranZPUter RAM, E800-EFFF is used by TZFS, SA1510 is at 0000-1000 and RAM is 1000-CFFF, 64K Block 0 selected, F000-FFFF is in 64K Block 3.
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TZMM_CPM EQU 006H + TZMM_ENIOWAIT ; CPM main memory configuration, all memory on the tranZPUter board, 64K block 4 selected. Special case for F3C0:F3FF & F7C0:F7FF (floppy disk paging vectors) which resides on the mainboard.
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TZMM_CPM2 EQU 007H + TZMM_ENIOWAIT ; CPM main memory configuration, F000-FFFF are on the tranZPUter board in block 4, 0040-CFFF and E800-EFFF are in block 5, mainboard for D000-DFFF (video), E000-E800 (Memory control) selected.
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; Special case for 0000:003F (interrupt vectors) which resides in block 4, F3C0:F3FF & F7C0:F7FF (floppy disk paging vectors) which resides on the mainboard.
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TZMM_COMPAT EQU 008H + TZMM_ENIOWAIT ; Original mode but with main DRAM in Bank 0 to allow bootstrapping of programs from other machines such as the MZ700.
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TZMM_MZ700_0 EQU 00AH + TZMM_ENIOWAIT ; MZ700 Mode - 0000:0FFF is on the tranZPUter board in block 6, 1000:CFFF is on the tranZPUter board in block 0, D000:FFFF is on the mainboard.
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TZMM_MZ700_1 EQU 00BH + TZMM_ENIOWAIT ; MZ700 Mode - 0000:0FFF is on the tranZPUter board in block 0, 1000:CFFF is on the tranZPUter board in block 0, D000:FFFF is on the tranZPUter in block 6.
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TZMM_MZ700_2 EQU 00CH + TZMM_ENIOWAIT ; MZ700 Mode - 0000:0FFF is on the tranZPUter board in block 6, 1000:CFFF is on the tranZPUter board in block 0, D000:FFFF is on the tranZPUter in block 6.
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TZMM_MZ700_3 EQU 00DH + TZMM_ENIOWAIT ; MZ700 Mode - 0000:0FFF is on the tranZPUter board in block 0, 1000:CFFF is on the tranZPUter board in block 0, D000:FFFF is inaccessible.
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TZMM_MZ700_4 EQU 00EH + TZMM_ENIOWAIT ; MZ700 Mode - 0000:0FFF is on the tranZPUter board in block 6, 1000:CFFF is on the tranZPUter board in block 0, D000:FFFF is inaccessible.
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TZMM_TZPU0 EQU 018H + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 0 is selected.
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TZMM_TZPU1 EQU 019H + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 1 is selected.
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TZMM_TZPU2 EQU 01AH + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 2 is selected.
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TZMM_TZPU3 EQU 01BH + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 3 is selected.
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TZMM_TZPU4 EQU 01CH + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 4 is selected.
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TZMM_TZPU5 EQU 01DH + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 5 is selected.
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TZMM_TZPU6 EQU 01EH + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 6 is selected.
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TZMM_TZPU7 EQU 01FH + TZMM_ENIOWAIT ; Everything is in tranZPUter domain, no access to underlying Sharp mainboard unless memory management mode is switched. tranZPUter RAM 64K block 7 is selected.
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;-----------------------------------------------
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; TZ File System Header (MZF)
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;-----------------------------------------------
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TZFS_ATRB: EQU 00000h ; Code Type, 01 = Machine Code.
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TZFS_NAME: EQU 00001h ; Title/Name (17 bytes).
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TZFS_SIZE: EQU 00012h ; Size of program.
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TZFS_DTADR: EQU 00014h ; Load address of program.
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TZFS_EXADR: EQU 00016h ; Exec address of program.
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TZFS_COMNT: EQU 00018h ; Comment
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TZFS_MZFLEN: EQU 128 ; Length of the MZF header.
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TZFS_CMTLEN: EQU 104 ; Length of the comment field
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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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MZFHDRSZ EQU 128
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TZFSSECTSZ 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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; RAM Banks, 0-3 are reserved for TZFS code in
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; the User/Floppy ROM bank area.
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;-----------------------------------------------
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USRROMPAGES EQU 3 ; User ROM
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ROMBANK0 EQU 0 ; TZFS Bank 0 - Main RFS Entry point and functions.
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ROMBANK1 EQU 1 ; TZFS Bank 1 -
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ROMBANK2 EQU 2 ; TZFS Bank 2 -
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ROMBANK3 EQU 3 ; TZFS Bank 3 -
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OBJCD EQU 001h ; MZF contains a binary object.
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TZOBJCD0 EQU 0F8H ; MZF contains a TZFS binary object for page 0.
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TZOBJCD1 EQU 0F8H
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TZOBJCD2 EQU 0F8H
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TZOBJCD3 EQU 0F8H
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TZOBJCD4 EQU 0F8H
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TZOBJCD5 EQU 0F8H
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TZOBJCD6 EQU 0F8H
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TZOBJCD7 EQU 0F8H ; MZF contains a TZFS binary object for page 7.
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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 EC80H - variables used by the filing system.
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ORG TZVARMEM
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TZVARMEM: EQU 0EC80H
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TZVARSIZE: EQU 00100H
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WARMSTART: DS virtual 1 ; Warm start mode, 0 = cold start, 1 = warm start.
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SCRNMODE: DS virtual 1 ; Mode of screen, 0 = 40 char, 1 = 80 char.
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MMCFGVAL: DS virtual 1 ; Current memory model value.
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HLSAVE: DS virtual 2 ; Storage for HL during bank switch manipulation.
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AFSAVE: DS virtual 2 ; Storage for AF during bank switch manipulation.
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FNADDR: DS virtual 2 ; Function to be called address.
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TMPADR: DS virtual 2 ; TEMPORARY ADDRESS STORAGE
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TMPSIZE: DS virtual 2 ; TEMPORARY SIZE
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TMPCNT: DS virtual 2 ; TEMPORARY COUNTER
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TMPLINECNT: DS virtual 2 ; Temporary counter for displayed lines.
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TMPSTACKP: DS virtual 2 ; Temporary stack pointer save.
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DUMPADDR: DS virtual 2 ; Address used by the D(ump) command so that calls without parameters go onto the next block.
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CMTLOLOAD: DS virtual 1 ; Flag to indicate that a tape program is loaded into hi memory then shifted to low memory after ROM pageout.
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CMTCOPY: DS virtual 1 ; Flag to indicate that a CMT copy operation is taking place.
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CMTAUTOEXEC: DS virtual 1 ; Auto execution flag, run CMT program when loaded if flag clear.
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DTADRSTORE: DS virtual 2 ; Backup for load address if actual load shifts to lo memory or to 0x1200 for copy.
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SDCOPY: DS virtual 1 ; Flag to indicate an SD copy is taking place, either CMT->SD or SD->CMT.
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RESULT: DS virtual 1 ; Result variable needed for interbank calls when a result is needed.
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SDAUTOEXEC: DS virtual 1 ; Flag to indicate if a loaded file should be automatically executed.
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FDCCMD: DS virtual 1 ; Floppy disk command storage.
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MOTON: DS virtual 1 ; Motor on flag.
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TRK0FD1: DS virtual 1 ; Floppy Disk 1 track 0 indicator.
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TRK0FD2: DS virtual 1 ; Floppy Disk 2 track 0 indicator.
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TRK0FD3: DS virtual 1 ; Floppy Disk 3 track 0 indicator.
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TRK0FD4: DS virtual 1 ; Floppy Disk 4 track 0 indicator.
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RETRIES: DS virtual 1 ; Retries count for a command.
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BPARA: DS virtual 1
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DS virtual (TZVARMEM + TZVARSIZE) - $ ; Top of variable area downwards is used as the working stack, SA1510 space isnt used.
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TZSTACK: EQU TZVARMEM + TZVARSIZE
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; Variables and control structure used by the I/O processor for service calls and requests.
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ORG TZSVCMEM
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TZSVCMEM: EQU 0ED80H ; Start of a memory structure used to communicate with the K64F I/O processor for services such as disk access.
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TZSVCSIZE: EQU 00280H ;
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TZSVCDIRSZ: EQU 20 ; Size of the directory/file name.
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TZSVCFILESZ: EQU 17 ; Size of a Sharp filename.
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TZSVCLONGFILESZ: EQU 31 ; Size of a standard filename.
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TZSVCLONGFMTSZ: EQU 20 ; Size of a formatted standard filename for use in directory listings.
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TZSVCWILDSZ: EQU 20 ; Size of the wildcard.
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TZSVCSECSIZE: EQU 512
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TZSVCDIR_ENTSZ: EQU 32 ; Size of a directory entry.
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TZSVCWAITIORETRIES: EQU 5 ; Wait retries for IO response.
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TZSVCWAITCOUNT: EQU 65535 ; Wait retries for IO request response.
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TZSVC_FTYPE_MZF: EQU 0 ; File type being handled is an MZF
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TZSVC_FTYPE_CAS: EQU 1 ; File type being handled is an CASsette BASIC script.
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TZSVC_FTYPE_BAS: EQU 2 ; File type being handled is an BASic script
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TZSVC_FTYPE_ALL: EQU 10 ; Handle any filetype.
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TZSVC_FTYPE_ALLFMT: EQU 11 ; Special case for directory listings, all files but truncated and formatted.
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TZSVCCMD: DS virtual 1 ; Service command.
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TZSVCRESULT: DS virtual 1 ; Service command result.
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TZSVCDIRSEC: DS virtual 1 ; Storage for the directory sector number.
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TZSVC_FILE_SEC: EQU TZSVCDIRSEC ; Union of the file and directory sector as only one can be used at a time.
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TZSVC_TRACK_NO: DS virtual 2 ; Storage for the virtual drive track number.
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TZSVC_SECTOR_NO: DS virtual 2 ; Storage for the virtual drive sector number.
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TZSVC_FILE_NO: DS virtual 1 ; File number to be opened in a file service command.
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TZSVC_FILE_TYPE: DS virtual 1 ; Type of file being accessed to differentiate between Sharp MZF files and other handled files.
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TZSVC_LOADADDR: DS virtual 2 ; Dynamic load address for rom/images.
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TZSVC_SAVEADDR: EQU TZSVC_LOADADDR ; Union of the load address and the cpu frequency change value, the address of data to be saved.
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TZSVC_CPU_FREQ: EQU TZSVC_LOADADDR ; Union of the load address and the save address value, only one can be used at a time.
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TZSVC_LOADSIZE: DS virtual 2 ; Size of image to load.
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TZSVC_SAVESIZE: EQU TZSVC_LOADSIZE ; Size of image to be saved.
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TZSVC_DIRNAME: DS virtual TZSVCDIRSZ ; Service directory/file name.
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TZSVC_FILENAME: DS virtual TZSVCFILESZ ; Filename to be opened/created.
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TZSVCWILDC: DS virtual TZSVCWILDSZ ; Directory wildcard for file pattern matching.
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TZSVCSECTOR: DS virtual TZSVCSECSIZE ; Service command sector - to store directory entries, file sector read or writes.
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TZSVC_CMD_READDIR: EQU 01H ; Service command to open a directory and return the first block of entries.
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TZSVC_CMD_NEXTDIR: EQU 02H ; Service command to return the next block of an open directory.
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TZSVC_CMD_READFILE: EQU 03H ; Service command to open a file and return the first block.
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TZSVC_CMD_NEXTREADFILE: EQU 04H ; Service command to return the next block of an open file.
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TZSVC_CMD_WRITEFILE: EQU 05H ; Service command to create a file and save the first block.
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TZSVC_CMD_NEXTWRITEFILE:EQU 06H ; Service command to write the next block to the open file.
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TZSVC_CMD_CLOSE: EQU 07H ; Service command to close any open file or directory.
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TZSVC_CMD_LOADFILE: EQU 08H ; Service command to load a file directly into tranZPUter memory.
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TZSVC_CMD_SAVEFILE: EQU 09H ; Service command to save a file directly from tranZPUter memory.
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TZSVC_CMD_ERASEFILE: EQU 0aH ; Service command to erase a file on the SD card.
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TZSVC_CMD_CHANGEDIR: EQU 0bH ; Service command to change the active directory on the SD card.
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TZSVC_CMD_LOAD40BIOS: EQU 20H ; Service command requesting that the 40 column version of the SA1510 BIOS is loaded.
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TZSVC_CMD_LOAD80BIOS: EQU 21H ; Service command requesting that the 80 column version of the SA1510 BIOS is loaded.
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TZSVC_CMD_LOAD700BIOS40:EQU 22H ; Service command requesting that the MZ700 1Z-013A 40 column BIOS is loaded.
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TZSVC_CMD_LOAD700BIOS80:EQU 23H ; Service command requesting that the MZ700 1Z-013A 80 column patched BIOS is loaded.
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TZSVC_CMD_LOAD80BIPL: EQU 24H ; Service command requesting the MZ-80B IPL is loaded.
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TZSVC_CMD_LOADBDOS: EQU 30H ; Service command to reload CPM BDOS+CCP.
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TZSVC_CMD_ADDSDDRIVE: EQU 31H ; Service command to attach a CPM disk to a drive number.
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TZSVC_CMD_READSDDRIVE: EQU 32H ; Service command to read an attached SD file as a CPM disk drive.
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TZSVC_CMD_WRITESDDRIVE: EQU 33H ; Service command to write to a CPM disk drive which is an attached SD file.
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TZSVC_CMD_CPU_BASEFREQ EQU 40H ; Service command to switch to the mainboard frequency.
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TZSVC_CMD_CPU_ALTFREQ EQU 41H ; Service command to switch to the alternate frequency provided by the K64F.
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TZSVC_CMD_CPU_CHGFREQ EQU 42H ; Service command to set the alternate frequency in hertz.
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TZSVC_STATUS_OK: EQU 000H ; Flag to indicate the K64F processing completed successfully.
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TZSVC_STATUS_REQUEST: EQU 0FEH ; Flag to indicate the Z80 has made a request to the K64F.
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TZSVC_STATUS_PROCESSING:EQU 0FFH ; Flag to indicate the K64F is processing a command.
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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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