mirror of https://github.com/nmlgc/ReC98.git
89 lines
1.6 KiB
NASM
89 lines
1.6 KiB
NASM
; void pascal near std_load(void);
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public STD_LOAD
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std_load proc near
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@@enemy_script_count = byte ptr -4
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@@chunk_size = byte ptr -3
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@@std_size = word ptr -2
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enter 4, 0
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push si
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push di
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call std_free
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les bx, _resident
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mov al, es:[bx+resident_t.stage_ascii]
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les bx, _std_fn
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mov es:[bx+3], al
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call file_ropen pascal, word ptr _std_fn+2, bx
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push ss
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lea ax, [bp+@@std_size]
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call file_read pascal, ax, 2
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push ss
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lea ax, [bp+@@chunk_size]
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call file_read pascal, ax, 1
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dec [bp+@@std_size]
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call hmem_allocbyte pascal, [bp+@@std_size]
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mov _std_seg, ax
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mov es, _std_seg
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xor si, si
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call file_read pascal, es, si, [bp+@@std_size]
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call file_close
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mov es, _std_seg
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mov _tile_section, 4
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mov _tile_row_in_section, 0
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mov al, [bp+@@chunk_size]
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mov ah, 0
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add si, ax
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mov al, es:[si]
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mov [bp+@@chunk_size], al
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lea ax, [si+5]
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mov _tile_scrollspeed_ptr, ax
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mov al, es:[si]
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mov _scroll_speed, al
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mov al, [bp+@@chunk_size]
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mov ah, 0
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inc ax
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add si, ax
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xor di, di
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mov al, es:[si]
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mov [bp+@@enemy_script_count], al
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inc si
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@@enemy_script_loop:
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mov al, es:[si]
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mov [bp+@@chunk_size], al
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inc si
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mov bx, di
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add bx, bx
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mov _enemy_script_ptrs[bx], si
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inc di
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mov ah, 0
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add si, ax
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dec [bp+@@enemy_script_count]
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cmp [bp+@@enemy_script_count], 0
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ja short @@enemy_script_loop
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inc si
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mov word ptr _std_ip+2, es
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mov word ptr _std_ip, si
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setfarfp _stage_vm, std_run
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pop di
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pop si
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leave
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ret
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std_load endp
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; void pascal near std_free(void);
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public STD_FREE
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std_free proc near
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push bp
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mov bp, sp
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cmp _std_seg, 0
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jz short @@ret
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call hmem_free pascal, _std_seg
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mov _std_seg, 0
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@@ret:
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pop bp
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retn
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std_free endp
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