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inplace modification for memory now without translateExpression()

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Irmen de Jong
2020-11-18 23:23:06 +01:00
parent 2da28864e9
commit 72509eef44
2 changed files with 17 additions and 32 deletions
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27
compiler/res/prog8lib/prog8_lib.asm
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@ -5,33 +5,6 @@
;
; indent format: TABS, size=8
read_byte_from_address_on_stack .proc
; -- read the byte from the memory address on the top of the stack, return in A (stack remains unchanged)
; TODO get rid of this by not evaluating the adress onto the stack, but directly into AY or SCRATCH_W2
lda P8ESTACK_LO+1,x
ldy P8ESTACK_HI+1,x
sta P8ZP_SCRATCH_W2
sty P8ZP_SCRATCH_W2+1
ldy #0
lda (P8ZP_SCRATCH_W2),y
rts
.pend
write_byte_to_address_on_stack .proc
; -- write the byte in A to the memory address on the top of the stack (stack remains unchanged)
; TODO get rid of this by not evaluating the adress onto the stack, but directly into AY or SCRATCH_W2
ldy P8ESTACK_LO+1,x
sty P8ZP_SCRATCH_W2
ldy P8ESTACK_HI+1,x
sty P8ZP_SCRATCH_W2+1
ldy #0
sta (P8ZP_SCRATCH_W2),y
rts
.pend
neg_b .proc
lda #0
sec