mirror of
https://github.com/romychs/OK240.2-Firmware.git
synced 2026-04-21 10:53:18 +03:00
149 lines
6.6 KiB
PHP
149 lines
6.6 KiB
PHP
; ======================================================
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; Ocean-240.2
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; Equates for all assembly sources
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;
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; By Romych 2025-09-09
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; ======================================================
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IFNDEF _EQUATES
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DEFINE _EQUATES
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ADDLIST EQU 0x08
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ASCII_BELL EQU 0x07 ; Make Beep
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ASCII_BS EQU 0x08 ; Move cursor left (Back Space)
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ASCII_TAB EQU 0x09 ; Move cursor right +8 pos
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ASCII_LF EQU 0x0A ; Move cursor down (Line Feed)
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ASCII_FF EQU 0x0C ; Move cursor to home (Form Feed)
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ASCII_CR EQU 0x0D ; Move gursor to 1st pos (Cariage Return)
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ASCII_CAN EQU 0x18 ; Move cursor right
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ASCII_EM EQU 0x19 ; Move cursor up
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ASCII_SUB EQU 0x1A ; CTRL-Z - end of text file marker
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ASCII_ESC EQU 0x1B ;
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ASCII_US EQU 0x1F ; Clear screen
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ASCII_SP EQU 0x20
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ASCII_DEL EQU 0x7F
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; ------------------------------------------------------
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BDOS_NFUNCS EQU 41
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BELL_PIN EQU 0x08 ; DD67 Pin PC3 - "BELL"
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; ------------------------------------------------------
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CCP_COMMAND_SIZE EQU 5 ; max length of CCP command
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CCP_COMMAND_COUNT EQU 3 ; Count of CCP commands
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CCP_COMMAND_CNT EQU 6
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CCP_COMMAND_LEN EQU 4
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CCP_SRC_ADDR EQU 0xc000 ; Address of CCP resident part in ROM
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CCP_DST_ADDR EQU 0xb200 ; Address of CCP resident part in RAM
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CCP_SIZE EQU 0x809
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CPM_VERSION EQU 0x22 ; Version of CP/M as byte nibbles '2.2'
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CTRL EQU 0x5E ; ^
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CTRL_C EQU 0x03 ; Warm boot
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CTRL_H EQU 0x08 ; Backspace
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CTRL_E EQU 0x05 ; Move to beginning of new line (Physical EOL)
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CTRL_J EQU 0x0A ; LF - Line Feed
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CTRL_M EQU 0x0D ; CR - Carriage Return
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CTRL_P EQU 0x10 ; turn on/off printer
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CTRL_R EQU 0x12 ; Repeat current cmd line
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CTRL_S EQU 0x13 ; Temporary stop display data to console (aka DC3)
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CTRL_U EQU 0x15 ; Cancel (erase) current cmd line
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CTRL_X EQU 0x18 ; Cancel (erase) current cmd line
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; ------------------------------------------------------
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DBPLIST EQU 0x0F
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DEF_DISK_A_SIZE EQU 0x3F
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DEF_DISK_B_SIZE EQU 0x0168
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DIR_BUFF_SIZE EQU 128
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DSK_MAP EQU 0x10
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DSK_MSK EQU 0x03
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DSK_SHF EQU 0x02
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DMA_BUFF_SIZE EQU 0x80
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; ------------------------------------------------------
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ENDDIR EQU 0xFFFF
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ESC_CMD_END EQU 0x1A
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;EXT_NUM EQU 12 ; Extent byte offset
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; ------------------------------------------------------
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FALSE EQU 0x00
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FDC_DD80RB EQU 0x21
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FDC_NOT_READY EQU 0x80
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FDC_RESTORE_L EQU 0x08
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FDC_SEEK_LV EQU 0x1C
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FDC_RESTORE_UH_NV EQU 0x03 ; Restore Unload Head, No Verify, 15ms Rate
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FILE_DELETED EQU 0xE5
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FWF_MASK EQU 0x80 ; File Write Flag mask
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; ---------------------------------------------------
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; FCB Offsets
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; ---------------------------------------------------
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FCB_LEN EQU 32 ; length of FCB
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FCB_SHF EQU 5
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FN_LEN EQU 12 ; Length of filename in FCB
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FCB_DR EQU 0 ; Drive. 0 for default, 1-16 for A-P
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FCB_FN EQU 1 ; Fn - Filename, 7-bit ASCII. The top bits - attributes
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FCB_FT EQU 9 ; Filetype, 7-bit ASCII.
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; T1' to T3' have the following
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; T1' - Read-Only
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; T2' - System (hidden)
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; T3' - Archive
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FCB_EXT EQU 12 ; EX - Set this to 0 when opening a file and then leave it to
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; CP/M. You can rewind a file by setting EX, RC, S2 and CR to 0.
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FCB_S1 EQU 13 ; S1 - Reserved.
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FCB_S2 EQU 14 ; S2 - Reserved. Bit 7 - wile write flag, [6:0] module number (Extent hi bits)
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FCB_RC EQU 15 ; RC - Set this to 0 when opening a file and then leave it to CP/M.
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FCB_AL EQU 16 ; AL - Image of the second half of the directory entry,
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; containing the file's allocation (which disc blocks it owns).
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FCB_CR EQU 32 ; CR - Current record within extent. It is usually best to set
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; this to 0 immediately after a file has been opened and
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; then ignore it.
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FCB_RN EQU 33 ; Rn - Random access record number. A 16-bit (with R2 used for overflow)
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; ------------------------------------------------------
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JP_OPCODE EQU 0xC3
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; ------------------------------------------------------
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IRQ_0 EQU 0x01
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IRQ_1 EQU 0x02
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IRQ_2 EQU 0x04
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;LP_IRQ EQU 0x08
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KBD_IRQ EQU 0x02
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KBD_ACK EQU 0x10
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KEY_ALF EQU 0x0D
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KEY_FIX EQU 0x15
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; ------------------------------------------------------
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LST_REC EQU 0x7F
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; ------------------------------------------------------
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MAX_EXT EQU 0x1F
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MAX_MOD EQU 0x0F
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;MOD_NUM EQU 0x0E
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; ------------------------------------------------------
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FCB_INFO_LEN EQU 15 ; length of FCB info bytes to match
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;NXT_REC EQU 0x20
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; ------------------------------------------------------
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PIC_POLL_MODE EQU 0x0A
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PORT_C4 EQU 0x10
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PRINTER_ACK EQU 0x10
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PRINTER_IRQ EQU 0x08
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; ------------------------------------------------------
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;RAN_REC EQU 0x21
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;FCB_RC EQU 0x0F
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RO_FILE EQU 0x09
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ROM_CHIP_SIZE EQU 8192 ; ROM Size, used to limit monitor code size
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RX_READY EQU 0x02
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; ------------------------------------------------------
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TAPE_D EQU 0x08
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TAPE_P EQU 0x04
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TIMER_IRQ EQU 0x10
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TL_HIGH EQU 0x05
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TL_LOW EQU 0x03
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TL_MID EQU 0x04
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TMR0_SQWAVE EQU 0x36
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TRUE EQU 0xFF
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TX_READY EQU 0x01
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; ------------------------------------------------------
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ENDIF |