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Add help dialog to Blinkenlights emulator

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This commit is contained in:
Justine Tunney 2021-02-19 16:56:06 -08:00
parent 02b4a5c824
commit 5f1415af3a
9 changed files with 248 additions and 147 deletions
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7
ape/ape.S
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@ -1511,17 +1511,20 @@ long: push $GDT_LONG_DATA
xor %ebp,%ebp
mov $REAL_STACK_FRAME+FRAMESIZE,%esp
call __map_image
ezlea metal,ax
ezlea metal.thunk,ax
jmp *%rax
.endfn long
// Long mode in virtual address space.
// @noreturn
metal:
metal.thunk:
#if USE_SYMBOL_HACK
.byte 0x0f,0x1f,0207 # nop rdi binbase
.long (IMAGE_BASE_VIRTUAL-IMAGE_BASE_REAL)/512
#endif
/ 𝑠𝑙𝑖𝑑𝑒
.endfn metal.thunk
metal:
xor %eax,%eax # clear bss
mov $ape_bss_vaddr,%edi
mov $ape_bss_memsz,%ecx