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fix preservation of I flag in memory move routines.

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Paul Gardner-Stephen committed 2019-05-06 07:09:46 +09:30
1 parent 7d1f7fb7c5
commit d8d7d878e4
1 file changed
+4 -2
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c64/basic/under_rom_routines.s
+4 -2
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@@ -70,6 +70,7 @@ shift_mem_up_routine:
;; This routine assumes the pointers are already pointed ;; This routine assumes the pointers are already pointed
;; to the end of the areas, and that Y is correctly initialised ;; to the end of the areas, and that Y is correctly initialised
;; to allow the copy to begin. ;; to allow the copy to begin.
php
jsr memmap_allram jsr memmap_allram
smu1: smu1:
lda (memmove_src),y lda (memmove_src),y
@@ -80,7 +81,7 @@ smu1:
dec memmove_dst+1 dec memmove_dst+1
dec memmove_size+1 dec memmove_size+1
bne smu1 bne smu1
plp
jmp memmap_normal jmp memmap_normal
shift_mem_down_routine: shift_mem_down_routine:
@@ -90,6 +91,7 @@ shift_mem_down_routine:
;; This routine assumes the pointers are already pointed ;; This routine assumes the pointers are already pointed
;; to the end of the areas, and that Y is correctly initialised ;; to the end of the areas, and that Y is correctly initialised
;; to allow the copy to begin. ;; to allow the copy to begin.
php
jsr memmap_allram jsr memmap_allram
smd1: smd1:
lda (memmove_src),y lda (memmove_src),y
@@ -100,7 +102,7 @@ smd1:
inc memmove_dst+1 inc memmove_dst+1
dec memmove_size+1 dec memmove_size+1
bne smd1 bne smd1
plp
jmp memmap_normal jmp memmap_normal