mirror of https://github.com/nmlgc/ReC98.git
137 lines
2.0 KiB
NASM
137 lines
2.0 KiB
NASM
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; master library - PC98
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;
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; Description:
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; 外字のBFNTファイルからの登録
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;
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; Function/Procedures:
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; int gaiji_entry_bfnt( const char * filename ) ;
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;
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; Parameters:
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; const char * filename BNFTファイル名
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;
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; Returns:
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; int 1 = 成功
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; 0 = 失敗(メモリ(8KB)足りねえ/ファイルが開けない/
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; 指定した形のBFNTぢゃない)
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;
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; Binding Target:
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; Microsoft-C / Turbo-C / Turbo Pascal
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;
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; Running Target:
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; PC-9801
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;
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; Requiring Resources:
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; CPU: 8086
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;
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; Notes:
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; モノクロ, 16x16dot, 0〜255ぢゃないとやだ
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; 拡張へっだはあってもいいよ
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; BFNT1.6の仕様ならいいよ
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;
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; Compiler/Assembler:
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; TASM 3.0
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; OPTASM 1.6
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;
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; Author:
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; 恋塚昭彦
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;
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; Revision History:
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; 93/ 2/ 4 Initial
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; 93/ 5/ 9 [M0.16] super.lib部を使用
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GAIJISIZE = 256*2*16
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func GAIJI_ENTRY_BFNT ; {
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push BP
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mov BP,SP
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push SI
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push DI
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sub SP,BFNT_HEADER_SIZE
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; 引数
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@@filename = (RETSIZE+1)*2
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if LDATA
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push word ptr [BP+@@filename+2]
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endif
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push word ptr [BP+@@filename]
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nopcall FONTFILE_OPEN
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mov BP,AX ; BP = file handle
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mov AX,0
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jc short @@E_OPEN
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mov AX,GAIJISIZE
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push AX
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nopcall SMEM_WGET
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mov SI,AX ; SI = バッファのセグメント
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mov AX,0
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jc short @@E_MEMORY
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mov AX,SP
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push BP
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_push SS
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push AX
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nopcall BFNT_HEADER_READ
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jc short @@DAME
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mov DI,SP
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push SS
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pop ES
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cmp byte ptr ES:[DI+5],0 ; col
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jne short @@DAME
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add DI,8 ; Xdots
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push SI
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mov SI,offset bfnt_header2
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mov CX,4
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repe cmpsw
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pop SI
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jne short @@DAME
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mov AX,SP
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push BP
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_push SS
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push AX
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nopcall BFNT_EXTEND_HEADER_SKIP
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push DS
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mov DS,SI
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mov BX,BP
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xor DX,DX
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mov CX,GAIJISIZE
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mov AH,3fh
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int 21h ; データ部の読み込み
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pop DS
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cmp AX,GAIJISIZE
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jne short @@DAME
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push SI
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xor AX,AX
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push AX
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call GAIJI_WRITE_ALL
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; 成功
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@@OK:
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mov AX,1
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jmp short @@OWARI
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@@DAME:
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xor AX,AX
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@@OWARI:
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push AX
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push SI
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nopcall SMEM_RELEASE
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pop AX
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@@E_MEMORY:
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push AX
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mov BX,BP
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mov AH,3eh
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int 21h
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pop AX
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@@E_OPEN:
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add SP,BFNT_HEADER_SIZE
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pop DI
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pop SI
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pop BP
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ret DATASIZE*2
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endfunc ; }
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