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テクニカル諏訪子
2025-12-11 12:41:55 +09:00
parent cd56860bb4
commit 0cbcb30d65
2 changed files with 3 additions and 2 deletions
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3
Makefile
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@@ -7,6 +7,7 @@ mp4: build run convert-mp4 clean
build: build:
nasm -f elf64 main.s -o main.o nasm -f elf64 main.s -o main.o
ld main.o -o gen ld main.o -o gen
strip gen
run: run:
./gen ./gen
@@ -18,6 +19,6 @@ convert-mp4:
ffmpeg -i output-%02d.ppm -r 60 output.mp4 ffmpeg -i output-%02d.ppm -r 60 output.mp4
clean: clean:
rm -rf output-*.ppm rm -rf output-*.ppm *.o *.core
.PHONY: all gif mp4 build run convert-gif convert-mp4 clean .PHONY: all gif mp4 build run convert-gif convert-mp4 clean

2
main.s
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@@ -51,7 +51,7 @@ frameloop:
lea rsi, [suffix] lea rsi, [suffix]
call strcpy ; 「.ppm\0」の追加 call strcpy ; 「.ppm\0」の追加
mov rax, 5 ; sys_openat mov rax, 5 ; sys_open
lea rdi, [outfile] lea rdi, [outfile]
mov rsi, 0x100601 ; 0x100601 = 0001 0000 0000 0110 0000 0001 = 1048576 + 1024 + 512 + 1 = 1050113 mov rsi, 0x100601 ; 0x100601 = 0001 0000 0000 0110 0000 0001 = 1048576 + 1024 + 512 + 1 = 1050113
; O_WRONLY = 0x0001 ; O_WRONLY = 0x0001