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Drawing the screen: DrawImageFrame_b3

[NES version, Bank 7]

Name: DrawImageFrame_b3 [Show more] Type: Subroutine Category: Drawing the screen Summary: Call the DrawImageFrame 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: * DrawCmdrImage calls DrawImageFrame_b3
.DrawImageFrame_b3 LDA currentBank ; Fetch the number of the ROM bank that is currently PHA ; paged into memory at $8000 and store it on the stack LDA #3 ; Page ROM bank 3 into memory at $8000 JSR SetBank JSR DrawImageFrame ; Call DrawImageFrame, 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