From 1027b91f357eaaa4793b9d16673b0ab662b37c7e Mon Sep 17 00:00:00 2001 From: WlodekM Date: Wed, 2 Apr 2025 12:23:56 +0300 Subject: remove pc thing --- pc-thing/code/move-bootloader.a | 62 ----------------------------------------- 1 file changed, 62 deletions(-) delete mode 100644 pc-thing/code/move-bootloader.a (limited to 'pc-thing/code/move-bootloader.a') diff --git a/pc-thing/code/move-bootloader.a b/pc-thing/code/move-bootloader.a deleted file mode 100644 index 306f2fe..0000000 --- a/pc-thing/code/move-bootloader.a +++ /dev/null @@ -1,62 +0,0 @@ -start: - ; init stack - mov a 0x6000 - mov b 0x7000 - str b a - copyLoop: - mov a [codePointer] - ld a a - mov b 0x6000 - add c a b - mov a [targetPointer] - str c a - - mov a codeStart - mov b [codePointer] - ld b b - add c a b - - mov a [targetPointer] - ld a a - ; swp a c - ; a <- $b - ld d c - push d ; push b - ld d a - ; push a ; push a - str c d ; $b <- a - pop d - ; $a <- b - str a d - ; swpm c b - - mov a [codePointer] - ld a a - mov b 1 - add c a b - ; mov a - str c [codePointer] - ; continue loop - mov b [targetPointer] - ; (byte we just copied) -> B - ld b b - ; (next byte) -> A - ld a c - ; C = A (aka next byte) == 0 - cmr c a 0 - ; A = B (aka last byte) == 1E (end instruction) - cmr a b 0x1e - swp c b ; C -> B - and c a b; c=a&&b - mov a 1 - cmp c a ; c==1? - jz copyLoop ; continue if c != 1 - jmp 0x6001 - - -targetPointer: -.hex 0 -codePointer: -.hex 0 -; start of bootloader -codeStart: \ No newline at end of file -- cgit 1.4.1-2-gfad0