Add overflow_error

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Rikard Nordgren authored and FeralChild64 committed 2026-03-29 21:45:24 +02:00
1 parent a5f32a48e8
commit 9fb88c4348
5 files changed
+36 -3

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@@ -64,7 +64,7 @@ mul_FAC2_FAC1:
sta RESHO+1
@2:
lda RESHO+1
+bne set_FAC1_max ; overflow
+bne overflow_error ; overflow
lda RESHO+0
sta FAC1_exponent
@@ -124,7 +124,7 @@ mul_FAC2_FAC1:
lda FAC1_exponent
clc
adc #$08
+bcs set_FAC1_max ; branch if overflow
+bcs overflow_error ; branch if overflow
sta FAC1_exponent
jmp normal_FAC1