Commit Graph

514 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka 05bf245b5a fix: don't mask away MSB in THUMB.5 add 2022-10-21 05:12:19 -03:00
Rekai Nyangadzayi Musuka f9e7128061 fix: properly decode format 11 instructions 2022-10-21 05:12:18 -03:00
Rekai Nyangadzayi Musuka 603e4b6fdf chore: make use of scoped logging 2022-10-21 05:12:18 -03:00
Rekai Nyangadzayi Musuka 9ed37340cc Merge branch 'main' of ssh://musuka.dev:2222/paoda/zba 2022-10-21 05:12:18 -03:00
Rekai Nyangadzayi Musuka 599a1f2973 chore: remove TODOs and some useless imports 2022-10-21 05:12:18 -03:00
Rekai Nyangadzayi Musuka 22424ca69c fix: improper condition check and initialization of register 2022-10-21 05:12:18 -03:00
Rekai Nyangadzayi Musuka 67a785cc22 fix(cpu): force align thumb and arm block data transfers 2022-10-21 05:12:18 -03:00
Rekai Nyangadzayi Musuka 4a4663607e chore: update README 2022-10-21 05:12:17 -03:00
Rekai Nyangadzayi Musuka 4eb3842606 feat: pass arm.gba 2022-10-21 05:12:17 -03:00
Rekai Nyangadzayi Musuka 1ee8b51b2b chore: reimplement ARM LDM/STM 2022-10-21 05:12:17 -03:00
Rekai Nyangadzayi Musuka 130310e5cc chore: improve arm ldm/stm 2022-10-21 05:12:17 -03:00
Rekai Nyangadzayi Musuka e933d7e5c7 fix(cpu): force-align SWP reads and writes 2022-10-21 05:12:17 -03:00
Rekai Nyangadzayi Musuka 44e8b5b882 fix: force-align ARM STRH reads 2022-10-21 05:12:17 -03:00
Rekai Nyangadzayi Musuka 28361e8b7d fix: implement the same LDRSH logic as THUMB LDRSH 2022-10-21 05:12:16 -03:00
Rekai Nyangadzayi Musuka 75921d6413 fix: PC is 12 ahead when it is rd in str and strb 2022-10-21 05:12:16 -03:00
Rekai Nyangadzayi Musuka 17226d8f75 fix: listen to my past self
By deleting this line I go from test 234 to test 355 in arm.gba
2022-10-21 05:12:16 -03:00
Rekai Nyangadzayi Musuka 0166999446 chore: update SDL.zig 2022-10-21 05:12:16 -03:00
Rekai Nyangadzayi Musuka 2cb1bf834a chore: dont use std.mem.bytesToValue
the stdlib accounts for endianness, which isn't something we want.
2022-10-21 05:12:16 -03:00
Rekai Nyangadzayi Musuka 8006ca31e6 chore: remove unnecessary @as calls 2022-10-21 05:12:16 -03:00
Rekai Nyangadzayi Musuka 82b92b4733 feat: pass thumb.gba 2022-10-21 05:12:15 -03:00
Rekai Nyangadzayi Musuka bf42d3ae2f chore: account for empty rlist in THUMB LDM/STM 2022-10-21 05:12:15 -03:00
Rekai Nyangadzayi Musuka f63ae76931 fix(cpu): handle edge case in LDRSH 2022-10-21 05:12:15 -03:00
Rekai Nyangadzayi Musuka feded4ac25 chore: specify which compiler this project is built with 2022-10-21 05:12:15 -03:00
Rekai Nyangadzayi Musuka f046787523 chore: reorganize util.zig 2022-10-21 05:12:15 -03:00
Rekai Nyangadzayi Musuka bbd73550e8 fix: zero initialize all allocated memory 2022-10-21 05:12:15 -03:00
Rekai Nyangadzayi Musuka fce560dd89 chore: don't commit *.sh files 2022-10-21 05:12:14 -03:00
Rekai Nyangadzayi Musuka 4776dc0788 Revert "fix: allow for 32-bit reads to KEYINPUT"
This reverts commit 3a51707280.
2022-10-21 05:12:14 -03:00
Rekai Nyangadzayi Musuka d8bd6da563 fix: resolve decoding mixup in THUMB format 8 instructions 2022-10-21 05:12:14 -03:00
Rekai Nyangadzayi Musuka b569a32170 fix: allow for 32-bit reads to KEYINPUT 2022-10-21 05:12:14 -03:00
Rekai Nyangadzayi Musuka 06e20666bd chore: refactor ARMv4 decoding 2022-10-21 05:12:14 -03:00
Rekai Nyangadzayi Musuka 36687c5c67 chore: add more debug information to CPU panic method 2022-10-21 05:12:14 -03:00
Rekai Nyangadzayi Musuka dd9b20030a chore: give more descriptive panic messages when changing mode fails 2022-10-21 05:12:13 -03:00
Rekai Nyangadzayi Musuka c0db2a987b chore: clean up THUMB instruction decoding 2022-10-21 05:12:13 -03:00
Rekai Nyangadzayi Musuka c3ff2ed6c1 feat: parse cartridge header 2022-10-21 05:12:13 -03:00
Rekai Nyangadzayi Musuka 271f42cf0e feat: rename ARM and THUMB SWI functions 2022-10-21 05:12:13 -03:00
Rekai Nyangadzayi Musuka 01e15584da chore: group THUMB and select ARM instructions together (same file) 2022-10-21 05:12:13 -03:00
Rekai Nyangadzayi Musuka 17b91db2ef feat: integrate zig-clap with ZBA 2022-10-21 05:12:13 -03:00
Rekai Nyangadzayi Musuka 3e786d02ac fix(cpu): properly decode format 7 and 8 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka c8f2db69df fix(cpu): resolve edge cases in THUMB Format 5 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka b4e0682801 fix(cpu): allow for select values to overflow
FuzzARM found these operations which panicked, when they should
have overflowed. These are now fixed

n = 8000
2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka af10c1b076 feat(cpu): implement format 13
While bugs do exist, at this point all THUMB and ARMv4 instructions
have been implemented! Yay!
2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka e6a0eab667 feat(cpu): implement THUMB format 17 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka 523b9d2736 feat(cpu): implement THUMB format11 2022-10-21 05:12:12 -03:00
Rekai Nyangadzayi Musuka 011d2f2f2a chore: update to latest zig nightly 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka c37546d273 chore: progress towards passing ldr/str thumb in armwrestler 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka fbedebb938 fix(cpu): properly negate in NEG 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka 1773a3acc8 fix(cpu): reimplement THUMB offset shifts 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka 058c02150c fix(cpu): op == 0b00 decodes to add in format 5 2022-10-21 05:12:11 -03:00
Rekai Nyangadzayi Musuka 8d841ead50 fix(cpu): account for overflow in THUMB alu MUL 2022-10-21 05:12:10 -03:00
Rekai Nyangadzayi Musuka 152dafbdf7 chore: use if-else when decoding THUMB instructions 2022-10-21 05:12:10 -03:00