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fix: fix frame pointer manipulation #62

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fix: fix frame pointer manipulation #62

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8 changes: 5 additions & 3 deletions Chapter 06/codesnippets.s
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Original file line number Diff line number Diff line change
Expand Up @@ -49,14 +49,16 @@ l5: STR W0, [SP] // Store a

l6: ADD SP, SP, #16

l7: SUB FP, SP, #16
l7: STR FP, [SP, #-16]! // Save FP
SUB FP, SP, #16
SUB SP, SP, #16

l8: STR W0, [FP] // Store a
STR W1, [FP, #-4] // Store b
STR W2, [FP, #-8] // Store c
STR W1, [FP, #4] // Store b
STR W2, [FP, #8] // Store c

ADD SP, SP, #16
LDR FP, [SP], #16 // Restore FP

l9: BL SUMFN
B l10
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