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Author SHA1 Message Date
Thomas Harte
9888f079fa
Merge pull request #1053 from TomHarte/65816Tests 
Add 65816 test generator; correct disagreements with other emulations.
 2022-06-24 21:28:24 -04:00
Thomas Harte
f2c2027a8c Disable test generation for commit. 2022-06-24 16:50:23 -04:00
Thomas Harte
4467eb1c41 Ensure relevant throwaway stack reads use the previous stack address. 
TODO: can CycleFetchPreviousThrowaway be used more widely?
 2022-06-24 14:00:03 -04:00
Thomas Harte
ef5ac1442f Don't invent an address for STP and WAI. 2022-06-24 13:05:32 -04:00
Thomas Harte
1c1ce625a7 Vector reads signal VDA. 2022-06-24 10:37:39 -04:00
Thomas Harte
a442077eac Allow repetition for MVN and MVP only. 2022-06-24 10:34:43 -04:00
Thomas Harte
6c638712f3 Attempt to capture MVP and MVN in their entirety. 2022-06-24 07:39:58 -04:00
Thomas Harte
069a057a94 Resolve assumption of arithmetic shifts. 2022-06-24 07:26:07 -04:00
Thomas Harte
4ed3b21bf3 Decimal SBC tweak: negative partial results don't cause carry. 2022-06-23 21:58:09 -04:00
Thomas Harte
2e7afb13c7 Exit gracefully upon a STP or WAI. 2022-06-23 21:03:40 -04:00
Thomas Harte
a23b0f5122 Map STA (d), y to correct calculator. 2022-06-23 20:57:47 -04:00
Thomas Harte
da552abf75 Fix BIT overflow flag. 2022-06-23 15:24:51 -04:00
Thomas Harte
380b5141fb Be overt about conversion wanted here. 2022-06-23 13:03:26 -04:00
Thomas Harte
66775b2c4e Always consume a second cycle in 16-bit mode. 2022-06-23 12:46:51 -04:00
Thomas Harte
2c12a7d968 Make absolutely sure there's no address bit 24. 2022-06-23 12:12:02 -04:00
Thomas Harte
5a97c09238 Flip internal presumption on the BRK flag. 2022-06-23 11:23:00 -04:00
Thomas Harte
3112376943 Don't include DBR in direct indexed indirect. 2022-06-23 11:03:37 -04:00
Thomas Harte
65140b341d Simplify slightly, per new S reporting rule. 2022-06-22 16:43:00 -04:00
Thomas Harte
ecfd17a259 Report a 1 in the stack pointer high byte when in emulation mode. 
It has one internally, it just wasn't previously exposed via this method.
 2022-06-22 15:55:34 -04:00
Thomas Harte
a72dd96dc6 Page boundary crossing is free outside of emulation mode. 2022-06-22 15:31:30 -04:00
Thomas Harte
944e5ebbfa Take another run at IO addresses. 2022-06-22 15:28:11 -04:00
Thomas Harte
76767110b7 Fix overflow for 8-bit calculations; essentially a revert for ADC. 2022-06-22 15:18:47 -04:00
Thomas Harte
2f684ee66d Use null for values that were never loaded. 2022-06-21 21:47:18 -04:00
Thomas Harte
7dcfa9eb65 65816: improve decimal calculations, posted IO addresses, read/write during redundant read-modify-write cycle. 2022-06-21 14:33:06 -04:00
Thomas Harte
ec98736bd7 Ensure IO cycles don't produce an address of (PC+1). 2022-06-21 11:41:05 -04:00
Thomas Harte
ab0c290489 Use 'x' instead of 'i'. 2022-06-19 06:58:23 -04:00
Thomas Harte
15ac2c3e5a Output to files, at volume, with extended bus flags. 2022-06-18 22:00:50 -04:00
Thomas Harte
0c24a27ba6 Completely prints tests. 2022-06-18 21:32:50 -04:00
Thomas Harte
eb82e06fab Add randomised initial state, fix PC. 2022-06-18 19:21:56 -04:00
Thomas Harte
f8e6954739 Ensure complete runs of each tested opcode. 2022-06-18 16:26:40 -04:00
Thomas Harte
586ef4810b Add restart_operation_fetch, to aid with testing. 2022-06-18 16:25:57 -04:00
Thomas Harte
b62f484d93 Start scaffolding a 65816 test generator. 2022-06-18 13:28:15 -04:00
Thomas Harte
07b600ccaf Merge branch 'master' into InST 2022-06-17 12:10:47 -04:00
Thomas Harte
907dc75e5b Merge branch 'master' into InAmiga 2022-06-17 12:10:40 -04:00
Thomas Harte
ea0d2971eb
Merge pull request #1052 from TomHarte/StraightforwardMicrocycle 
Clean up Microcycle helpers.
 2022-06-17 12:10:22 -04:00
Thomas Harte
a0bc332fe6 Taking a second parse, prefer non-lookup-table solutions. 2022-06-17 11:55:38 -04:00
Thomas Harte
b0ab5b7b62 Simplify Microcycle helpers. 2022-06-16 21:34:24 -04:00
Thomas Harte
a3fc8dbf42 Merge branch 'master' into InAmiga 2022-06-16 16:37:49 -04:00
Thomas Harte
37516e6f6b
Merge pull request #1051 from TomHarte/STOPReturn 
Fix return address following a STOP.
 2022-06-16 15:15:50 -04:00
Thomas Harte
9fde7c0f89 Merge branch 'STOPReturn' into InST 2022-06-16 15:11:06 -04:00
Thomas Harte
dc8103ea82 Fix return address following a STOP. 2022-06-16 15:10:35 -04:00
Thomas Harte
e248092014 Fix return address following a STOP. 2022-06-16 15:10:19 -04:00
Thomas Harte
f343635cab Merge branch 'master' into InAmiga 2022-06-16 13:37:37 -04:00
Thomas Harte
60daf9678f
Merge pull request #1050 from TomHarte/ByteLengthWarning 
Resolve release-build byte length warning
 2022-06-16 11:16:37 -04:00
Thomas Harte
5d5bd6791b Merge branch 'master' into InMacintosh 2022-06-16 11:01:18 -04:00
Thomas Harte
fe748507f0 Merge branch 'master' into InAmiga 2022-06-15 21:23:30 -04:00
Thomas Harte
cb7230e7b7 Merge branch 'master' into InST 2022-06-15 21:23:18 -04:00
Thomas Harte
cb162b6755
Merge pull request #1049 from TomHarte/68000Mk2Bus 
Correct 68000 mark 2 Microcycle helper methods.
 2022-06-15 21:22:49 -04:00
Thomas Harte
7d00b50e13 Fix upper/lower_data_select; simplify value8_low. 2022-06-15 21:11:31 -04:00
Thomas Harte
12b058867e Correct very minor typo. 2022-06-15 19:34:54 -04:00