📄 t-mvtc.s
字号:
.include "t-macros.i" start;;; Try out each bit in the PSW loadpsw2 PSW_SM checkpsw2 1 PSW_SM loadpsw2 PSW_01 checkpsw2 2 0 ;; PSW_01 loadpsw2 PSW_EA checkpsw2 3 PSW_EA loadpsw2 PSW_DB checkpsw2 4 PSW_DB loadpsw2 PSW_DM checkpsw2 5 0 ;; PSW_DM loadpsw2 PSW_IE checkpsw2 6 PSW_IE loadpsw2 PSW_RP checkpsw2 7 PSW_RP loadpsw2 PSW_MD checkpsw2 8 PSW_MD loadpsw2 PSW_FX|PSW_ST checkpsw2 9 PSW_FX|PSW_ST ;; loadpsw2 PSW_ST ;; checkpsw2 10 loadpsw2 PSW_10 checkpsw2 11 0 ;; PSW_10 loadpsw2 PSW_11 checkpsw2 12 0 ;; PSW_11 loadpsw2 PSW_F0 checkpsw2 13 PSW_F0 loadpsw2 PSW_F1 checkpsw2 14 PSW_F1 loadpsw2 PSW_14 checkpsw2 15 0 ;; PSW_14 loadpsw2 PSW_C checkpsw2 16 PSW_C;;; Check that bit 0 (LSB) of the MOD_E & MOD_S registers are stuck at ZERO. ldi r6, #0xdead mvtc r6, cr10 ldi r6, #0xbeef mvtc r6, cr11 mvfc r7, cr10 check 17 r7 0xdeac mvfc r7, cr11 check 18 r7 0xbeee;;; Check that certain bits of the PSW, DPSW and BPSW are hardwired to zeropsw_ffff: ldi r6, 0xffff mvtc r6, psw mvfc r7, psw check 18 r7 0xb7cdbpsw_ffff: ldi r6, 0xffff mvtc r6, bpsw mvfc r7, bpsw check 18 r7 0xb7cddpsw_ffff: ldi r6, 0xffff mvtc r6, dpsw mvfc r7, dpsw check 18 r7 0xb7cd;;; Another check. Very similarpsw_dfff: ldi r6, 0xdfff mvtc r6, psw mvfc r7, psw check 18 r7 0x97cdbpsw_dfff: ldi r6, 0xdfff mvtc r6, bpsw mvfc r7, bpsw check 18 r7 0x97cddpsw_dfff: ldi r6, 0xdfff mvtc r6, dpsw mvfc r7, dpsw check 18 r7 0x97cd;;; And again.psw_8005: ldi r6, 0x8005 mvtc r6, psw mvfc r7, psw check 18 r7 0x8005bpsw_8005: ldi r6, 0x8005 mvtc r6, bpsw mvfc r7, bpsw check 18 r7 0x8005dpsw_8005: ldi r6, 0x8005 mvtc r6, dpsw mvfc r7, dpsw check 18 r7 0x8005 exit0⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -