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fd9ffb20b4
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fix: better emulate behaviour of IO reads
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2022-10-21 05:12:23 -03:00 |
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56ef2b077a
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chore: document select unimplmented I/O registers
These registers are written to / read from Kirby: Nightmare in Dream Land
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2022-10-21 05:12:23 -03:00 |
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d4c7cfdf8b
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feat: impelement a barebones SRAM
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2022-10-21 05:12:23 -03:00 |
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4d75d156e5
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feat: pass retAddr.gba
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2022-10-21 05:12:22 -03:00 |
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d30a4d7ee5
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feat: implement Hblank and Vcount Interrupts
Also implemented unique behaviour when writing to IF
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2022-10-21 05:12:22 -03:00 |
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d1fce8ba75
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chore: improve Bus log + panic messages
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2022-10-21 05:12:22 -03:00 |
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0f74e4fcf9
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chore: improve io.zig
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2022-10-21 05:12:22 -03:00 |
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4afcbd0957
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feat: implement mirroring for IWRAM EWRAM, OAM and PALRAM
Also realized I confused IWRAM and EWRAM. This is also fixed
TODO: Implemnt Mirroring for VRRAM
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2022-10-21 05:12:22 -03:00 |
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50dc31447d
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fix: resolve integer overflow in BG0 Drawing
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2022-10-21 05:12:22 -03:00 |
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acf1a10f91
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chore: don't panic on 32-bit I/O
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2022-10-21 05:12:21 -03:00 |
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606f9b959a
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chore: stub CPU HALTing
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2022-10-21 05:12:21 -03:00 |
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f19b42baf3
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chore: correct logic errors in map size 1 and 3
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2022-10-21 05:12:21 -03:00 |
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2a3d0c8b0d
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chore: properly write to VOFS and HOFS in 32-bit bus
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2022-10-21 05:12:21 -03:00 |
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4405fa6bbf
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feat: implement hofs and vofs on io bus
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2022-10-21 05:12:21 -03:00 |
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e2b2bf882a
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feat: implement scrolling
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2022-10-21 05:12:21 -03:00 |
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08e4eb1bf1
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feat: add support for multiple BGs in Mode 0
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2022-10-21 05:12:20 -03:00 |
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f4b176a813
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feat: document mode 0
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2022-10-21 05:12:20 -03:00 |
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efc7d817db
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feat: Mode 0 MVP
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2022-10-21 05:12:20 -03:00 |
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1b17b1eb0c
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chore: use zig slices for fun
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2022-10-21 05:12:20 -03:00 |
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fab6d4c2a2
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chore: give DISPCNT DISPSTAT and VCOUNT to PPU struct
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2022-10-21 05:12:20 -03:00 |
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223a3403c0
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chore: give io read/write functions access to the entire Bus
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2022-10-21 05:12:20 -03:00 |
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dfd0d064de
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feat: implement BG Scrolling Registers
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2022-10-21 05:12:19 -03:00 |
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0c4882e658
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feat: impelemnt BG0,1,2CNT and IF
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2022-10-21 05:12:19 -03:00 |
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bfdad9fa32
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feat: implement OAM
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2022-10-21 05:12:19 -03:00 |
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37fd8dab84
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chore: squash bugs preventing swi_demo.gba from working
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2022-10-21 05:12:19 -03:00 |
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c143aefb01
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chore(cpu): reimplement bank switching logic
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2022-10-21 05:12:19 -03:00 |
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05bf245b5a
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fix: don't mask away MSB in THUMB.5 add
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2022-10-21 05:12:19 -03:00 |
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f9e7128061
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fix: properly decode format 11 instructions
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2022-10-21 05:12:18 -03:00 |
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603e4b6fdf
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chore: make use of scoped logging
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2022-10-21 05:12:18 -03:00 |
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9ed37340cc
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Merge branch 'main' of ssh://musuka.dev:2222/paoda/zba
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2022-10-21 05:12:18 -03:00 |
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599a1f2973
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chore: remove TODOs and some useless imports
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2022-10-21 05:12:18 -03:00 |
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22424ca69c
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fix: improper condition check and initialization of register
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2022-10-21 05:12:18 -03:00 |
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67a785cc22
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fix(cpu): force align thumb and arm block data transfers
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2022-10-21 05:12:18 -03:00 |
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4a4663607e
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chore: update README
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2022-10-21 05:12:17 -03:00 |
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4eb3842606
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feat: pass arm.gba
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2022-10-21 05:12:17 -03:00 |
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1ee8b51b2b
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chore: reimplement ARM LDM/STM
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2022-10-21 05:12:17 -03:00 |
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130310e5cc
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chore: improve arm ldm/stm
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2022-10-21 05:12:17 -03:00 |
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e933d7e5c7
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fix(cpu): force-align SWP reads and writes
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2022-10-21 05:12:17 -03:00 |
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44e8b5b882
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fix: force-align ARM STRH reads
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2022-10-21 05:12:17 -03:00 |
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28361e8b7d
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fix: implement the same LDRSH logic as THUMB LDRSH
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2022-10-21 05:12:16 -03:00 |
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75921d6413
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fix: PC is 12 ahead when it is rd in str and strb
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2022-10-21 05:12:16 -03:00 |
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17226d8f75
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fix: listen to my past self
By deleting this line I go from test 234 to test 355 in arm.gba
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2022-10-21 05:12:16 -03:00 |
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0166999446
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chore: update SDL.zig
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2022-10-21 05:12:16 -03:00 |
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2cb1bf834a
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chore: dont use std.mem.bytesToValue
the stdlib accounts for endianness, which isn't something we want.
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2022-10-21 05:12:16 -03:00 |
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8006ca31e6
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chore: remove unnecessary @as calls
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2022-10-21 05:12:16 -03:00 |
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82b92b4733
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feat: pass thumb.gba
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2022-10-21 05:12:15 -03:00 |
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bf42d3ae2f
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chore: account for empty rlist in THUMB LDM/STM
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2022-10-21 05:12:15 -03:00 |
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f63ae76931
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fix(cpu): handle edge case in LDRSH
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2022-10-21 05:12:15 -03:00 |
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feded4ac25
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chore: specify which compiler this project is built with
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2022-10-21 05:12:15 -03:00 |
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f046787523
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chore: reorganize util.zig
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2022-10-21 05:12:15 -03:00 |
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