MASK27            946 src/dps8/dps8_cpu.c     cpu.rTR      = MASK27;
MASK27           2293 src/dps8/dps8_cpu.c                     cpu.shadowTR = (cpu.shadowTR - 1) & MASK27;
MASK27           2325 src/dps8/dps8_cpu.c         if (cpu.rTR & ~MASK27)
MASK27           2327 src/dps8/dps8_cpu.c             cpu.rTR &= MASK27;
MASK27           2859 src/dps8/dps8_cpu.c                       cpu.rTR = (cpu.rTR - ticks) & MASK27;
MASK27           2862 src/dps8/dps8_cpu.c                     cpu.rTR = (cpu.rTR - ticks) & MASK27;
MASK27           2865 src/dps8/dps8_cpu.c                     cpu.rTR = MASK27;
MASK27           2894 src/dps8/dps8_cpu.c                       cpu.rTR = MASK27;
MASK27           2934 src/dps8/dps8_cpu.c                       cpu.rTR = (cpu.rTR - sys_opts.sys_poll_interval * 512) & MASK27;
MASK27           2937 src/dps8/dps8_cpu.c                     cpu.rTR = (cpu.rTR - sys_opts.sys_poll_interval * 512) & MASK27;
MASK27           2939 src/dps8/dps8_cpu.c                     cpu.rTR = MASK27;
MASK27           3836 src/dps8/dps8_ins.c             cpu.Yblock8[7] = (((-- cpu.shadowTR) & MASK27) << 9) | (cpu.rRALR & 07);
MASK27           3838 src/dps8/dps8_ins.c             cpu.Yblock8[7] = ((cpu.rTR & MASK27) << 9) | (cpu.rRALR & 07);
MASK27           4036 src/dps8/dps8_ins.c             cpu.CY = (((uint) (((int) cpu.shadowTR) - 1)) & MASK27) << 9;
MASK27           4038 src/dps8/dps8_ins.c             cpu.CY = (cpu.rTR & MASK27) << 9;
MASK27           7552 src/dps8/dps8_ins.c           cpu.rTR = (cpu.CY >> 9) & MASK27;
MASK27           2030 src/dps8/dps8_utils.c 
MASK27           2043 src/dps8/dps8_utils.c 
MASK27           2047 src/dps8/dps8_utils.c