Title: 65816: Emulation mode: New instructions should not page wrap · Issue #79 · SingleStepTests/ProcessorTests · GitHub
Open Graph Title: 65816: Emulation mode: New instructions should not page wrap · Issue #79 · SingleStepTests/ProcessorTests
X Title: 65816: Emulation mode: New instructions should not page wrap · Issue #79 · SingleStepTests/ProcessorTests
Description: According to 65C816 Opcodes by Bruce Clark, because these instructions / addressing modes are new (not present on 65*02), they should not page wrap: 17.e.json: ORA [d],y 57.e.json: EOR [d],y 77.e.json: ADC [d],y 97.e.json: STA [d],y d4.e...
Open Graph Description: According to 65C816 Opcodes by Bruce Clark, because these instructions / addressing modes are new (not present on 65*02), they should not page wrap: 17.e.json: ORA [d],y 57.e.json: EOR [d],y 77.e.j...
X Description: According to 65C816 Opcodes by Bruce Clark, because these instructions / addressing modes are new (not present on 65*02), they should not page wrap: 17.e.json: ORA [d],y 57.e.json: EOR [d],y 77.e.j...
Opengraph URL: https://github.com/SingleStepTests/ProcessorTests/issues/79
X: @github
Domain: github.com
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"65816: Emulation mode: New instructions should not page wrap","articleBody":"According to [65C816 Opcodes by Bruce Clark](http://www.6502.org/tutorials/65c816opcodes.html), because these instructions / addressing modes are new (not present on 65*02), they should not page wrap:\r\n\r\n- 17.e.json: ORA [d],y\r\n- 57.e.json: EOR [d],y\r\n- 77.e.json: ADC [d],y\r\n- 97.e.json: STA [d],y\r\n- d4.e.json: PEI\r\n\r\nFurther, PLB should read from $0200 when S=$FF.\r\n\r\n- ab.e.json: PLB\r\n\r\nA patch is attached.\r\n[0001-65816-Fix-emulation-mode-tests-that-should-not-page-.patch](https://github.com/TomHarte/ProcessorTests/files/15046765/0001-65816-Fix-emulation-mode-tests-that-should-not-page-.patch)\r\n","author":{"url":"https://github.com/ReverendGumby","@type":"Person","name":"ReverendGumby"},"datePublished":"2024-04-20T03:44:51.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/79/ProcessorTests/issues/79"}
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