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a1f36ffa04
Something small that came out of the resident structure review. Including more research to suggest that we probably can't ever use C++ constructors for anything in ReC98. Part of P0076, funded by [Anonymous] and -Tom-.
67 lines
1.6 KiB
NASM
67 lines
1.6 KiB
NASM
public START_DEMO
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start_demo proc near
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push bp
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mov bp, sp
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push si
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les bx, _resident
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mov es:[bx+resident_t.RESIDENT_is_cpu][0], 1
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mov es:[bx+resident_t.RESIDENT_is_cpu][1], 1
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inc es:[bx+resident_t.demo_num]
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cmp es:[bx+resident_t.demo_num], DEMO_COUNT
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jbe short @@next_demo
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mov es:[bx+resident_t.demo_num], 1
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@@next_demo:
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les bx, _resident
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mov es:[bx+resident_t.pid_winner], 0
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mov es:[bx+resident_t.story_stage], 0
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mov es:[bx+resident_t.game_mode], GM_DEMO
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mov es:[bx+resident_t.show_score_menu], 0
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mov al, es:[bx+resident_t.demo_num]
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mov ah, 0
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add ax, ax
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mov bx, ax
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mov al, (_demo_chars - (PLAYER_COUNT * byte))[bx]
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mov bx, word ptr _resident
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mov es:[bx+resident_t.RESIDENT_playchar_paletted][0], al
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mov al, es:[bx+resident_t.demo_num]
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mov ah, 0
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add ax, ax
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mov dx, offset (_demo_chars - (PLAYER_COUNT * byte))
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inc dx
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add ax, dx
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mov bx, ax
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mov al, [bx]
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mov bx, word ptr _resident
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mov es:[bx+resident_t.RESIDENT_playchar_paletted][1], al
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mov al, es:[bx+resident_t.demo_num]
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mov ah, 0
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shl ax, 2
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mov bx, ax
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mov eax, (_demo_rand - dword)[bx]
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mov bx, word ptr _resident
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mov es:[bx+resident_t.rand], eax
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xor si, si
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jmp short @@score_more?
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; ---------------------------------------------------------------------------
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@@score_loop:
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les bx, _resident
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add bx, si
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mov es:[bx+resident_t.score_last], 0
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inc si
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@@score_more?:
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cmp si, (PLAYER_COUNT * SCORE_DIGITS)
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jl short @@score_loop
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call palette_black_out pascal, 1
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call cfg_save
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call gaiji_restore
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kajacall KAJA_SONG_STOP
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call game_exit
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call _execl c, offset path, ds, offset path, ds, large 0
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pop si
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pop bp
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retn
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start_demo endp
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