; ===================================================
; MSX BASIC for Orion-128 computer
;
; Resident part of specific Orion-128 code at
; unswitcheadle RAM region 0xF300-0xF3FF
; Moved from MZBAS code body at BASIC Init process
;
; Disassembled by Romychs @ 2026-10-08
; ===================================================

; Move bytes to memory page 1
;  Inp: HL - start address
;       DE - destination address
;       B - counter
ORI_MV_RAM1 EQU 0xf300

; Fill memory page 1 with value
;  Inp: HL - destination start address
;       C - value to write
;       B - count to write
ORI_FILL_RAM1 EQU 0xf310

; Read byte from memory page 1
;  Inp: HL - source address
;  Out: C - result
ORI_RD_RAM1 EQU 0xf31e

; Fill both base page 0 and page 1 with values (symbol and attribyte)
;  Inp: HL - dest address
;       D - value for page 0
;       C - value for page 1
;       B - count
ORI_FILL_BOTH  EQU 0xf326

; Move (HL)->(DE) BC-count for page 0 and page 1
;  Inp: HL -> source
;       DE -> destination
;       BC - count of bytes
ORI_MV_BOTH  EQU 0xf335

; Duplicate code
; Move (HL)->(DE) BC-count for page 0 and page 1
;  Inp: HL -> source
;       DE -> destination
;       BC - count of bytes
ORI_MV_BOTH1 EQU 0xf353


; Move 256 byte blocks (HL)->(DE) on both pages 0 and 1
;  Inp: HL -> source
;       DE -> destination
;       B - count of blocks
ORI_MV_BOTH_PAR  EQU 0xf371

; Duplicate code
; Move 256 byte blocks (HL)->(DE) on both pages 0 and 1
;  Inp: HL -> source
;       DE -> destination
;       B - count of blocks
ORI_MV_BOTH_PAR1  EQU 0xf381

; Move 256 bytes (HL)->(DE) on specified page
;  Inp: A - RAM page no [0..3]
OPI_MV_SPAGE  EQU 0xf391

; Duplicate code
; Move 256 bytes (HL)->(DE) on specified page
;  Inp: A - RAM page no [0..3]
OPI_MV_SPAGE1  EQU 0xf3a1