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Icon bar: ShowIconBar_b3

[NES version, Bank 7]

Name: ShowIconBar_b3 [Show more] Type: Subroutine Category: Icon bar Summary: Call the ShowIconBar routine in ROM bank 3 Deep dive: Splitting NES Elite across multiple ROM banks
Context: See this subroutine in context in the source code References: This subroutine is called as follows: * PauseGame calls ShowIconBar_b3
.ShowIconBar_b3 STA storeA ; Store the value of A so we can retrieve it below LDA currentBank ; If ROM bank 3 is already paged into memory, jump to CMP #3 ; bank17 BEQ bank17 PHA ; Otherwise store the current bank number on the stack LDA #3 ; Page ROM bank 3 into memory at $8000 JSR SetBank LDA storeA ; Restore the value of A that we stored above JSR ShowIconBar ; Call ShowIconBar, now that it is paged into memory JMP ResetBank ; Fetch the previous ROM bank number from the stack and ; page that bank back into memory at $8000, returning ; from the subroutine using a tail call .bank17 LDA storeA ; Restore the value of A that we stored above JMP ShowIconBar ; Call ShowIconBar, which is already paged into memory, ; and return from the subroutine using a tail call